Active NPI 1144213992 Individual Practitioner Male Practitioner

Dr. Thomas M Oconnor , DO

Surgery - Vascular Surgery • Lancaster, PA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Oconnor, DO is a certified Surgery - Vascular Surgery practicing in Lancaster, PA. With approximately 39 years of clinical experience since graduating from New York College Of Osteo Medicine Of New York Institute Of Technology in 1987, Dr. Oconnor delivers high-quality medical care to the local community at 2102 HARRISBURG PIKE.

Dr. Oconnor is affiliated with Lancaster General Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, ultrasound study of arm and leg arteries, ultrasound of both sides of head and neck blood flow. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2102 Harrisburg Pike

Lancaster, PA 176012644

Telephone 7175449400

Fax 7175449401

Associated Practice Facility / Clinic

🏢 Lancaster General Medical Group Facility NPI 1376526152

Medicare Profile & Education

Medical School

New York College Of Osteo Medicine Of New York Institute Of Technology

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery - Vascular Surgery in Lancaster, PA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

39 Yrs +14.4 yrs vs City Avg

City Avg: 24.6 Yrs

State Avg: 25.8 Yrs

Regional Practice Density

9 Specialists

Practicing in Lancaster, PA (279 Statewide)

Telehealth Adoption Rate

22.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

75.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Oconnor (39 Years) 39 Yrs

Lancaster Specialty Average (24.6 Years) 24.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	156	130	$171.41	$85.67
93922 Ultrasound study of arm and leg arteries	97	90	$166.69	$53.34
93880 Ultrasound of both sides of head and neck blood flow	87	86	$419.07	$157.12
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	75	75	$331.89	$156.46
93926 Ultrasound of one leg arteries or artery grafts	48	43	$236.69	$101.70
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	42	39	$310.74	$120.95
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	41	39	$299.32	$94.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	37	$241.68	$121.19
76937 Ultrasonic guidance for blood vessel access	33	32	$49.27	$12.82
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	30	22	$145.97	$74.72
93990 Ultrasound of dialysis access	30	30	$257.77	$96.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$210.36	$105.58
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	28	27	$62.04	$16.48
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	25	24	$246.80	$91.17
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	21	19	$170.33	$77.95
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	19	$279.33	$123.72
75625 Radiological supervision and interpretation X-ray of abdominal aorta	21	21	$172.19	$63.75
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	19	17	$2365.63	$216.52
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	16	16	$884.25	$230.11
49324 Insertion of abdominal cavity catheter using an endoscope	15	14	$1202.60	$323.56
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	15	15	$2478.53	$310.30
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	13	13	$41.54	$15.69
36200 Insertion of catheter into aorta	13	13	$1322.45	$115.14
93923 Complete ultrasound study of arm and leg arteries	13	13	$227.00	$89.19
36821 Relocation of arm vein with connection to arm artery, open procedure	13	13	$2184.23	$615.47
93925 Ultrasound of leg arteries or artery grafts	11	11	$410.36	$186.44
99441 Telephone medical discussion with physician, 5-10 minutes	11	11	$90.82	$52.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	161	137	$167.00	$85.61
93880 Ultrasound of both sides of head and neck blood flow	81	81	$444.54	$177.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	79	79	$324.00	$157.85
93922 Ultrasound study of arm and leg arteries	62	60	$173.48	$56.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	45	$237.00	$122.08
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	36	34	$398.44	$152.76
93926 Ultrasound of one leg arteries or artery grafts	34	33	$253.41	$112.12
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	29	18	$139.90	$76.24
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	25	25	$60.00	$17.30
93990 Ultrasound of dialysis access	25	22	$274.00	$116.96
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	24	23	$292.00	$104.18
76937 Ultrasonic guidance for blood vessel access	23	23	$48.00	$13.24
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$274.00	$125.39
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	18	17	$250.00	$99.59
75625 Radiological supervision and interpretation X-ray of abdominal aorta	18	18	$168.00	$64.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$205.00	$107.34
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	16	16	$2414.00	$317.29
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	14	14	$2329.00	$227.84
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	14	14	$165.00	$79.31
49324 Insertion of abdominal cavity catheter using an endoscope	13	13	$1179.00	$329.94
93923 Complete ultrasound study of arm and leg arteries	12	12	$278.17	$101.74
36821 Relocation of arm vein with connection to arm artery, open procedure	12	12	$2151.00	$626.41
93882 Ultrasound of one side of head and neck blood flow	12	12	$287.00	$114.71
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	11	11	$852.00	$247.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	150	132	$167.00	$87.57
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	66	66	$324.00	$160.50
93880 Ultrasound of both sides of head and neck blood flow	63	62	$449.00	$185.89
93922 Ultrasound study of arm and leg arteries	62	57	$192.00	$65.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	59	59	$205.00	$107.91
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	47	47	$98.00	$12.37
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	37	36	$60.00	$18.09
93926 Ultrasound of one leg arteries or artery grafts	36	32	$266.00	$121.82
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	31	27	$142.00	$69.18
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	30	29	$2329.00	$233.11
76937 Ultrasonic guidance for blood vessel access	29	28	$48.00	$13.47
93990 Ultrasound of dialysis access	27	25	$274.00	$126.99
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	25	24	$418.00	$168.45
75625 Radiological supervision and interpretation X-ray of abdominal aorta	24	23	$168.00	$67.05
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$274.00	$130.51
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	22	20	$292.00	$109.31
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	22	$104.00	$54.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	21	$237.00	$124.47
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	20	20	$2414.00	$326.69
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	16	15	$165.00	$81.85
93923 Complete ultrasound study of arm and leg arteries	13	13	$299.00	$112.77
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	13	12	$852.00	$203.50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$402.00	$191.50
49324 Insertion of abdominal cavity catheter using an endoscope	12	12	$1179.00	$337.30
93925 Ultrasound of leg arteries or artery grafts	11	11	$432.00	$236.82
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	11	11	$250.00	$108.72
75716 Review by radiologist of both arms or legs arteries image	11	11	$192.00	$91.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	82	68	$167.00	$90.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	75	68	$104.00	$54.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	61	61	$205.00	$110.96
93922 Ultrasound study of arm and leg arteries	52	50	$179.54	$64.67
93880 Ultrasound of both sides of head and neck blood flow	51	50	$415.22	$187.92
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	46	44	$98.00	$12.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	46	36	$140.67	$71.17
99202 New patient office or other outpatient visit, typically 20 minutes	45	45	$144.00	$71.22
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	37	36	$274.00	$134.59
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	36	36	$60.00	$18.66
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	27	$402.00	$198.26
76937 Ultrasonic guidance for blood vessel access	27	27	$48.00	$13.88
93926 Ultrasound of one leg arteries or artery grafts	26	24	$266.00	$121.70
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	25	24	$403.92	$176.23
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	24	20	$2329.00	$230.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$324.00	$166.77
93990 Ultrasound of dialysis access	20	18	$274.00	$127.96
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	18	18	$292.00	$115.18
75625 Radiological supervision and interpretation X-ray of abdominal aorta	17	17	$168.00	$68.79
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	17	17	$2030.94	$324.96
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	16	15	$165.00	$84.33
93923 Complete ultrasound study of arm and leg arteries	16	16	$274.13	$109.90
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	15	15	$852.00	$242.62
36821 Relocation of arm vein with connection to arm artery, open procedure	15	15	$2151.00	$662.54
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	13	12	$250.00	$105.43
93882 Ultrasound of one side of head and neck blood flow	11	11	$277.00	$127.27
93925 Ultrasound of leg arteries or artery grafts	11	11	$432.00	$229.59
36200 Insertion of catheter into aorta	11	11	$1062.48	$139.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	71	62	$84.00	$44.84
99202 New patient office or other outpatient visit, typically 20 minutes	58	58	$144.00	$74.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	56	46	$142.00	$71.40
99213 Established patient office or other outpatient visit, typically 15 minutes	52	43	$142.00	$74.15
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	51	49	$98.00	$12.36
93880 Ultrasound of both sides of head and neck blood flow	48	47	$358.00	$186.35
93922 Ultrasound study of arm and leg arteries	48	48	$154.17	$61.34
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	32	32	$60.00	$18.98
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	32	32	$396.00	$165.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$205.00	$106.58
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	28	25	$2329.00	$248.65
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$274.00	$138.76
93926 Ultrasound of one leg arteries or artery grafts	26	26	$266.00	$120.30
93990 Ultrasound of dialysis access	23	21	$274.00	$122.31
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	23	23	$1600.00	$347.18
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	21	$402.00	$203.60
76937 Ultrasonic guidance for blood vessel access	20	20	$48.00	$14.76
99231 Follow-up hospital inpatient care per day, typically 15 minutes	18	17	$78.00	$39.70
93923 Complete ultrasound study of arm and leg arteries	16	16	$262.00	$122.26
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	16	16	$292.00	$113.93
75625 Radiological supervision and interpretation X-ray of abdominal aorta	14	13	$168.00	$68.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	102	87	$126.22	$72.70
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	45	45	$200.11	$106.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	42	41	$80.00	$43.92
93922 Ultrasound study of arm and leg arteries	41	37	$199.66	$66.90
99231 Follow-up hospital inpatient care per day, typically 15 minutes	40	28	$78.00	$39.24
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	38	38	$272.18	$136.38
99202 New patient office or other outpatient visit, typically 20 minutes	35	35	$138.80	$74.67
93880 Ultrasound of both sides of head and neck blood flow	31	31	$465.87	$188.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	30	$183.00	$106.65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	23	$142.25	$70.28
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	27	26	$248.37	$110.59
93926 Ultrasound of one leg arteries or artery grafts	26	23	$314.00	$127.14
93922 Ultrasound study of arm and leg arteries	23	23	$39.43	$12.77
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	20	20	$51.20	$18.78
93990 Ultrasound of dialysis access	20	17	$263.95	$124.89
93923 Complete ultrasound study of arm and leg arteries	12	12	$284.00	$117.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	93	75	$119.00	$68.18
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	67	58	$78.00	$40.98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	64	39	$141.98	$69.67
99231 Follow-up hospital inpatient care per day, typically 15 minutes	43	27	$78.00	$37.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	33	$180.00	$101.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$195.00	$101.76
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	34	28	$230.00	$109.61
99202 New patient office or other outpatient visit, typically 20 minutes	32	32	$131.00	$70.62
93922 Ultrasound study of arm and leg arteries	29	24	$226.00	$64.72
93880 Ultrasound of both sides of head and neck blood flow	27	24	$534.00	$189.19
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$271.00	$130.96
93926 Ultrasound of one leg arteries or artery grafts	22	17	$344.00	$128.41
93923 Complete ultrasound study of arm and leg arteries	21	21	$140.00	$21.47
93990 Ultrasound of dialysis access	18	15	$277.00	$129.59
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	18	18	$38.00	$17.98
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$277.00	$155.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	102	81	$114.03	$69.51
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	63	35	$133.57	$70.20
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	53	47	$72.62	$41.22
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	43	41	$257.37	$133.60
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$190.00	$104.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	30	$179.20	$101.45
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	30	30	$360.60	$196.67
93880 Ultrasound of both sides of head and neck blood flow	30	28	$444.90	$187.84
93923 Complete ultrasound study of arm and leg arteries	27	27	$150.93	$22.24
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	20	$78.00	$38.53
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	22	20	$148.59	$86.21
93922 Ultrasound study of arm and leg arteries	21	16	$207.71	$66.29
93990 Ultrasound of dialysis access	19	11	$183.68	$96.78
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$267.79	$151.33
36200 Insertion of catheter into aorta	18	18	$327.67	$114.62
93926 Ultrasound of one leg arteries or artery grafts	16	11	$297.50	$123.54
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$129.40	$71.87
93923 Complete ultrasound study of arm and leg arteries	14	14	$285.29	$126.19
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$199.36	$91.03
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	12	11	$2405.83	$263.32

Medical Specialties & State Licenses

CMS Verified: 2025-06-06

Surgery - Vascular Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0129X

State License PA OS009572L

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Surgery

NUCC Taxonomy Code: 208600000X

State License PA OS009572L

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

001602890 (PA)

Commercial Insurance / Payer ID Capital Blue Cross

50009563 (PA)

Commercial Insurance / Payer ID Mercy Health Plan

20020201 (PA)

Commercial Insurance / Payer ID Blue Shield Of Pa

963231

Commercial Insurance / Payer ID Railroad Medicare

P00000115

Hospital & Practice Group Affiliations

Lancaster General Medical Group

2112 Harrisburg Pike, Lancaster, PA 176012644

Lancaster General Medical Group

555 N Duke St, Lancaster, PA 176022250

Lancaster General Medical Group

2102 Harrisburg Pike, Lancaster, PA 176012644

Phone: 7175449400

Lancaster General Medical Group

2100 Harrisburg Pike, Lancaster, PA 176012644

Phone: 7175443216

Lancaster General Medical Group

554 N Duke St, Lancaster, PA 176022250

Phone: 7172915863

Lancaster General Medical Group

2150 Harrisburg Pike, Lancaster, PA 176012644

Phone: 7175443059

Lancaster General Medical Group

555 N Duke St 1st Floor, Lancaster, PA 176022250

Phone: 7175603782

Lancaster General Medical Group

1261 Division Hwy 2, Ephrata, PA 175228822

Phone: 7177385544

Lancaster General Medical Group

3045 Marietta Ave, Lancaster, PA 176011321

Phone: 7172994644

Lancaster General Medical Group

2102 Harrisburg Pike, Lancaster, PA 176012644

Phone: 7172915863

Lancaster General Medical Group

2104 Harrisburg Pike, Lancaster, PA 176012644

Phone: 7175443626

Lancaster General Medical Group

2108 Harrisburg Pike, Lancaster, PA 176012644

Lancaster General Medical Group

1261 Division Hwy, Ephrata, PA 175228822

Lancaster General Medical Group

2110 Harrisburg Pike, Lancaster, PA 176012644

Lancaster General Medical Group

2106 Harrisburg Pike, Lancaster, PA 176012644

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

36 Associated Practitioners

Alexis Stambaugh , CRNP

Nurse Practitioner - Family

NPI 1003681362

Certified Registered Nurse Practitioner

Dr. Timothy Beer , MD

Internal Medicine - Hematology & Oncology

NPI 1083956791

Doctor of Medicine (M.D.)

Dr. Katherine Hicks-Courant , MD

Obstetrics & Gynecology - Gynecologic Oncology

NPI 1114308749

Doctor of Medicine (M.D.)

Dr. Srilatha Hosur , MD

Internal Medicine - Hematology & Oncology

NPI 1144454638

Doctor of Medicine (M.D.)

Dr. Timothy Johnson , DO

Internal Medicine - Hematology & Oncology

NPI 1154980613

Doctor of Osteopathic Medicine (D.O.)

Caitlyn Mcnaughton , PA-C

Physician Assistant

NPI 1205115664

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events

📍

Updated Practice Location June 06, 2025

Registered at 2102 HARRISBURG PIKE, LANCASTER, PA 176012644 (Tel: 7175449400)

📍

Updated Business Mailing Address June 06, 2025

Registered at 2102 HARRISBURG PIKE, LANCASTER, PA 176012644 (Tel: 7177334644)

📍

Updated Practice Location August 20, 2018

Registered at 804 GRANDVIEW DR STE 2, EPHRATA, PA 17522 (Tel: 7174662500)

✅

NPI Profile Active January 09, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location January 09, 2017

Registered at 804 GRANDVIEW DR, SUITE 3, EPHRATA, PA 175221681 (Tel: 7177334644)

📍

Updated Business Mailing Address January 09, 2017

Registered at 3421 CONCORD RD, YORK, PA 174029001 (Tel: 7177334644)

👤

Provider Name / Credentials Updated January 09, 2017

Recorded as THOMAS OCONNOR, DO

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Medical Taxonomy / Specialty Registered (Primary Specialty) January 09, 2017

Surgery (License #OS009572L in PA)

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Initial NPI Registration & Enumeration August 26, 2005

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1144213992

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 26, 2005

Last Update: June 06, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2102 Harrisburg Pike

Lancaster, PA 176012644

Phone: 7177334644

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

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