Active NPI 1376568113 Individual Practitioner Male Practitioner

Dr. Thomas Lawson Mauser , DO

Internal Medicine • Chesapeake, VA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Mauser, DO is a certified Internal Medicine practicing in Chesapeake, VA. With approximately 34 years of clinical experience since graduating from At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 1992, Dr. Mauser delivers high-quality medical care to the local community at 109 WIMBLEDON SQ.

Dr. Mauser accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

109 Wimbledon Sq
Suite B

Chesapeake, VA 233204945

Telephone 7575474781

Associated Practice Facility / Clinic

🏢 Thomas W Montag Md Plc Facility NPI 1639193907

Medicare Profile & Education

Medical School

At Still University Of Health Sciences, College Of Osteo Med, Kirksville

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chesapeake, VA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs +5.1 yrs vs City Avg

City Avg: 28.9 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

61 Specialists

Practicing in Chesapeake, VA (3758 Statewide)

Telehealth Adoption Rate

24.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

23.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mauser (34 Years) 34 Yrs

Chesapeake Specialty Average (28.9 Years) 28.9 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	581	243	$140.00	$118.99
36415 Insertion of needle into vein for collection of blood sample	286	181	$15.00	$8.65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	205	58	$90.00	$71.77
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	164	160	$200.00	$168.61
93000 Routine ekg using at least 12 leads including interpretation and report	144	139	$70.00	$13.25
99213 Established patient office or other outpatient visit, typically 15 minutes	98	67	$100.00	$84.25
99239 Hospital discharge day management, more than 30 minutes	49	38	$125.00	$104.09
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	48	39	$210.00	$157.54
82272 Stool analysis for blood	21	21	$25.00	$4.15
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	17	13	$110.00	$103.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	608	258	$140.00	$125.33
36415 Insertion of needle into vein for collection of blood sample	336	187	$15.00	$8.40
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	222	55	$90.00	$77.12
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	142	140	$200.00	$175.70
93000 Routine ekg using at least 12 leads including interpretation and report	128	120	$70.00	$14.18
99213 Established patient office or other outpatient visit, typically 15 minutes	86	58	$100.00	$88.59
99239 Hospital discharge day management, more than 30 minutes	54	40	$125.00	$111.72
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	41	31	$210.00	$169.10
81002 Urinalysis, manual test	25	19	$12.00	$3.41
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	15	14	$110.00	$108.24
82272 Stool analysis for blood	11	11	$25.00	$4.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	682	289	$140.00	$127.90
36415 Insertion of needle into vein for collection of blood sample	417	244	$15.00	$2.96
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	293	87	$90.00	$70.07
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	149	145	$200.00	$180.15
99213 Established patient office or other outpatient visit, typically 15 minutes	110	85	$100.00	$90.50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	55	46	$210.00	$195.10
99239 Hospital discharge day management, more than 30 minutes	48	36	$125.00	$103.49
G0008 Administration of influenza virus vaccine	43	43	$35.00	$29.34
90662 Influenza vaccine split virus, preservative free	43	43	$85.00	$68.54
93000 Routine ekg using at least 12 leads including interpretation and report	38	37	$70.00	$14.38
81002 Urinalysis, manual test	24	20	$12.00	$3.45
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	15	14	$110.00	$101.36
99442 Telephone medical discussion with physician, 11-20 minutes	13	11	$84.23	$83.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	726	303	$136.58	$128.62
36415 Insertion of needle into vein for collection of blood sample	473	257	$15.00	$3.00
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	429	121	$90.00	$71.42
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	155	154	$193.03	$178.20
93000 Routine ekg using at least 12 leads including interpretation and report	123	116	$70.00	$14.89
99213 Established patient office or other outpatient visit, typically 15 minutes	97	80	$97.99	$90.97
99239 Hospital discharge day management, more than 30 minutes	73	59	$125.00	$105.78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	63	53	$210.00	$199.00
81002 Urinalysis, manual test	31	23	$12.00	$3.48
82272 Stool analysis for blood	11	11	$25.00	$4.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	730	314	$120.00	$109.18
36415 Insertion of needle into vein for collection of blood sample	464	259	$15.00	$2.98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	268	113	$90.00	$72.69
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	122	114	$160.00	$146.80
99213 Established patient office or other outpatient visit, typically 15 minutes	115	83	$85.00	$75.19
93000 Routine ekg using at least 12 leads including interpretation and report	93	91	$70.00	$17.10
99239 Hospital discharge day management, more than 30 minutes	68	57	$125.00	$107.64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	68	57	$210.00	$203.57
99441 Telephone medical discussion with physician, 5-10 minutes	42	39	$33.33	$32.54
99442 Telephone medical discussion with physician, 11-20 minutes	27	27	$47.22	$47.13
81002 Urinalysis, manual test	25	23	$11.86	$3.45
G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic	24	24	$15.00	$14.49
90756 Vaccine for influenza for injection into muscle	16	16	$35.00	$27.60
G0008 Administration of influenza virus vaccine	16	16	$30.00	$16.74
99217 Hospital observation care on day of discharge	14	14	$125.00	$72.78
82272 Stool analysis for blood	13	13	$25.00	$4.19
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	12	11	$110.00	$104.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,045	370	$120.00	$104.67
36415 Insertion of needle into vein for collection of blood sample	608	319	$15.00	$2.94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	325	120	$90.00	$69.81
99213 Established patient office or other outpatient visit, typically 15 minutes	184	129	$85.00	$71.39
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	145	139	$160.00	$140.30
93000 Routine ekg using at least 12 leads including interpretation and report	107	103	$70.00	$16.33
90756 Vaccine for influenza for injection into muscle	98	98	$35.00	$26.13
G0008 Administration of influenza virus vaccine	97	97	$30.00	$16.42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	90	72	$210.00	$194.10
99239 Hospital discharge day management, more than 30 minutes	76	54	$125.00	$102.83
99217 Hospital observation care on day of discharge	28	22	$125.00	$70.11
99220 Hospital observation care, typically 70 minutes	25	22	$210.00	$178.18
81002 Urinalysis, manual test	21	17	$12.00	$3.41
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	17	13	$110.00	$99.77
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$230.00	$199.53
82272 Stool analysis for blood	11	11	$25.00	$4.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,014	364	$120.00	$100.55
36415 Insertion of needle into vein for collection of blood sample	554	320	$15.00	$2.94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	230	93	$90.00	$68.24
99213 Established patient office or other outpatient visit, typically 15 minutes	160	115	$85.00	$68.30
90756 Vaccine for influenza for injection into muscle	106	106	$35.00	$22.33
G0008 Administration of influenza virus vaccine	106	106	$30.00	$20.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	96	96	$230.00	$194.61
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	84	81	$160.00	$136.08
93000 Routine ekg using at least 12 leads including interpretation and report	82	78	$70.00	$15.87
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	82	71	$210.00	$190.10
99239 Hospital discharge day management, more than 30 minutes	64	51	$125.00	$101.07
81002 Urinalysis, manual test	27	26	$12.00	$3.41
20610 Aspiration and/or injection of fluid from large joint	16	14	$95.00	$56.78
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	12	11	$10.00	$1.82
82272 Stool analysis for blood	12	12	$25.00	$4.15
99217 Hospital observation care on day of discharge	11	11	$125.00	$68.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	834	288	$120.00	$99.07
36415 Insertion of needle into vein for collection of blood sample	630	285	$15.00	$2.94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	215	103	$90.00	$66.75
99213 Established patient office or other outpatient visit, typically 15 minutes	142	95	$85.00	$67.51
93000 Routine ekg using at least 12 leads including interpretation and report	85	84	$70.00	$15.67
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	82	78	$160.00	$134.12
Q2039 Influenza virus vaccine, not otherwise specified	75	75	$35.00	$22.33
G0008 Administration of influenza virus vaccine	75	75	$30.00	$24.99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	65	55	$210.00	$187.24
99239 Hospital discharge day management, more than 30 minutes	62	49	$125.00	$99.40
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	29	29	$230.00	$190.69
81002 Urinalysis, manual test	21	20	$12.00	$3.43

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License VA 0102049847

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

58-3263-2 (VA)

Practice Associates & Co-Workers

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

11 Associated Practitioners

Angela Montejo , MPA-C

Physician Assistant

NPI 1023329364

MPAC

Ashley Chieppa , PA

Physician Assistant

NPI 1043448723

Physician Assistant

Dr. Jowita Dziatkiewicz , MD

Pediatrics

NPI 1174532287

Doctor of Medicine (M.D.)

Dr. Fredric Gross , MD

Ophthalmology

NPI 1184629271

Doctor of Medicine (M.D.)

Holly Buchanan , NP

Nurse Practitioner

NPI 1235188111

Nurse Practitioner

Dr. Thomas Montag , MD

Obstetrics & Gynecology - Gynecologic Oncology

NPI 1306848270

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active November 13, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location November 13, 2007

Registered at 109 WIMBLEDON SQ, SUITE B, CHESAPEAKE, VA 233204945 (Tel: 7575474781)

📍

Updated Business Mailing Address November 13, 2007

Registered at 109 WIMBLEDON SQ, SUITE B, CHESAPEAKE, VA 233204945 (Tel: 7575474781)

👤

Provider Name / Credentials Updated November 13, 2007

Recorded as THOMAS MAUSER, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 13, 2007

Internal Medicine (License #0102049847 in VA)

🟢

Initial NPI Registration & Enumeration July 13, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1376568113

Entity Type:

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

Enumeration Date: July 13, 2006

Last Update: November 13, 2007

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

109 Wimbledon Sq, Suite B

Chesapeake, VA 233204945

Phone: 7575474781

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

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.