Active NPI 1801875679 Individual Practitioner Male Practitioner

Dr. Frederick M Tiesenga , MD

Surgery • Elmwood Park, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Frederick Tiesenga, MD is a certified Surgery practicing in Elmwood Park, IL. With approximately 35 years of clinical experience since graduating from University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb) in 1991, Dr. Tiesenga delivers high-quality medical care to the local community at 1950 N HARLEM AVE.

Dr. Tiesenga is affiliated with Tiesenga Surgical Associates Sc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, follow-up hospital inpatient care per day, 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

1950 N Harlem Ave

Elmwood Park, IL 607073717

Telephone 7084536800

Fax 7084533235

Associated Practice Facility / Clinic

🏢 Tiesenga Surgical Associates, S.c. Facility NPI 1801876586

Medicare Profile & Education

Medical School

University Of Illinois College Of Med (Chi/peor/rock/chm-Urb)

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Elmwood Park, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +18.8 yrs vs City Avg

City Avg: 16.2 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

7 Specialists

Practicing in Elmwood Park, IL (1624 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

73.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Tiesenga (35 Years) 35 Yrs

Elmwood Park Specialty Average (16.2 Years) 16.2 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	79	43	$281.98	$85.85
99231 Follow-up hospital inpatient care per day, typically 15 minutes	31	23	$154.95	$52.37
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	21	$244.47	$82.24
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	15	$175.60	$59.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$349.77	$117.77
43999 Stomach procedure	16	11	$1050.00	$120.26
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$408.30	$137.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$397.56	$127.15
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$262.40	$88.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	67	36	$280.89	$94.98
99221 Initial hospital inpatient care per day, typically 30 minutes	39	35	$274.05	$90.43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	35	26	$366.05	$123.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$352.74	$113.63
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	13	$176.14	$60.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	28	20	$154.94	$53.87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	20	$244.70	$84.50
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	22	21	$410.48	$139.79
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	13	$396.39	$120.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$520.74	$178.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	52	35	$289.26	$94.01
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	52	39	$321.85	$109.32
99221 Initial hospital inpatient care per day, typically 30 minutes	51	47	$322.87	$107.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$362.55	$121.13
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	39	23	$225.38	$76.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	34	33	$431.40	$141.71
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	26	25	$58.60	$20.36
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	18	$124.46	$41.70
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	19	18	$842.25	$280.54
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	11	$182.91	$61.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$538.86	$182.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$410.16	$137.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	99	54	$274.87	$99.23
99221 Initial hospital inpatient care per day, typically 30 minutes	59	57	$307.98	$109.08
99231 Follow-up hospital inpatient care per day, typically 15 minutes	57	36	$116.88	$40.50
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	53	34	$215.54	$75.96
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	50	38	$304.50	$111.14
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	35	32	$410.85	$147.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$340.14	$120.16
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	27	26	$266.18	$94.95
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	24	20	$54.27	$20.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$512.38	$183.46
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	18	15	$810.03	$292.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	199	105	$240.40	$80.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	65	32	$372.57	$116.96
74246 X-ray of upper digestive tract with contrast	63	29	$443.63	$147.71
43999 Stomach procedure	57	25	$1050.00	$158.07
99221 Initial hospital inpatient care per day, typically 30 minutes	55	52	$334.96	$110.54
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	50	37	$336.14	$110.62
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	38	28	$233.65	$75.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$348.79	$116.11
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	35	33	$448.46	$151.24
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	26	22	$351.89	$92.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$532.09	$178.46
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	21	21	$61.17	$20.58
99231 Follow-up hospital inpatient care per day, typically 15 minutes	18	16	$127.98	$43.23
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	16	16	$890.19	$285.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	393	178	$236.08	$78.17
74246 X-ray of upper digestive tract with contrast	185	53	$425.30	$136.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	166	57	$400.00	$108.65
43999 Stomach procedure	123	44	$1068.29	$152.37
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	105	66	$231.67	$78.04
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less	86	12	$302.79	$64.60
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	80	57	$328.00	$111.44
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	38	37	$435.89	$147.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$529.18	$176.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$348.82	$116.48
99221 Initial hospital inpatient care per day, typically 30 minutes	33	31	$331.00	$107.41
11042 Removal of skin and tissue, 20.0 sq cm or less	15	13	$418.00	$54.61
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	13	12	$290.00	$20.29
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	13	13	$823.85	$175.24
43775 Stomach reduction procedure with partial removal of stomach using an endoscope	12	12	$4490.00	$1105.83
47562 Removal of gallbladder using an endoscope	11	11	$2339.00	$784.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	384	173	$210.36	$76.28
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	244	125	$300.00	$110.62
74246 X-ray of upper digestive tract with contrast	196	63	$370.63	$130.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	162	73	$400.00	$112.72
43999 Stomach procedure	158	53	$1050.00	$153.59
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	70	65	$400.63	$143.84
99221 Initial hospital inpatient care per day, typically 30 minutes	54	54	$300.00	$107.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$500.00	$172.84
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$310.00	$115.16
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	39	36	$290.00	$20.01
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	30	24	$210.00	$77.30
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	22	20	$1624.55	$263.69
76937 Ultrasonic guidance for blood vessel access	22	20	$210.00	$15.37
47562 Removal of gallbladder using an endoscope	18	18	$1870.00	$651.82
36569 Insertion of central venous catheter for infusion, patient 5 years or older	16	14	$710.00	$93.27
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	15	13	$600.00	$107.99
11042 Removal of skin and tissue, 20.0 sq cm or less	14	14	$330.00	$55.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	447	194	$210.00	$74.67
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	237	141	$300.00	$110.85
74246 X-ray of upper digestive tract with contrast	183	63	$370.00	$128.89
43999 Stomach procedure	129	53	$1050.00	$146.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	115	61	$400.00	$111.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	73	73	$500.00	$172.87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	67	65	$400.00	$146.19
99221 Initial hospital inpatient care per day, typically 30 minutes	55	55	$300.00	$109.66
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	38	$210.00	$76.44
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$310.00	$113.36
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	27	24	$290.00	$20.43
76937 Ultrasonic guidance for blood vessel access	20	18	$210.00	$15.41
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	17	16	$600.00	$134.79
47562 Removal of gallbladder using an endoscope	17	17	$1870.00	$741.54
11042 Removal of skin and tissue, 20.0 sq cm or less	15	13	$352.00	$61.08
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	15	13	$820.00	$268.64
36569 Insertion of central venous catheter for infusion, patient 5 years or older	12	11	$710.00	$94.33
43775 Stomach reduction procedure with partial removal of stomach using an endoscope	11	11	$4490.00	$1205.73

Medical Specialties & State Licenses

CMS Verified: 2022-04-26

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 36086475

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

36086475 (IL)

Commercial Insurance / Payer ID Medicare

390720 (IL)

Hospital & Practice Group Affiliations

Tiesenga Surgical Associates Sc

1950 N Harlem Ave, Elmwood Park, IL 607073717

Phone: 7084536800

Practice Associates & Co-Workers

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

12 Associated Practitioners

Seema Pillai , NP

Nurse Practitioner - Family

NPI 1013395482

Nurse Practitioner

Dr. Charles Schubert , MD

Surgery - Vascular Surgery

NPI 1245219641

Doctor of Medicine (M.D.)

Dr. Henry Govekar , MD

Colon & Rectal Surgery

NPI 1417121872

Doctor of Medicine (M.D.)

Dr. Mary Clark , DNP, APRN, FNP-BC

Nurse Practitioner - Family

NPI 1518889591

Doctor of Nursing Practice, Advanced Practice Registered Nurse, Family Nurse Practitioner (Board Certified)

Dr. Athanasios Diniotis , MD

Surgery

NPI 1538148093

Doctor of Medicine (M.D.)

Christina Crews , NP

Nurse Practitioner - Family

NPI 1538467642

Nurse Practitioner

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Practice Location April 26, 2022

Registered at 1950 N HARLEM AVE, ELMWOOD PARK, IL 607073717 (Tel: 7084536800)

✅

NPI Profile Active April 18, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location April 18, 2016

Registered at 1950 N HARLEM AVE, ELMWOOD PARK, IL 60707 (Tel: 7084536800)

📍

Updated Business Mailing Address April 18, 2016

Registered at 1950 N HARLEM AVE, ELMWOOD PARK, IL 60707 (Tel: 7084536800)

👤

Provider Name / Credentials Updated April 18, 2016

Recorded as FREDERICK TIESENGA, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 18, 2016

Surgery (License #36086475 in IL)

🟢

Initial NPI Registration & Enumeration January 11, 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: 1801875679

Entity Type:

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

Enumeration Date: January 11, 2006

Last Update: April 26, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1950 N Harlem Ave

Elmwood Park, IL 60707

Phone: 7084536800

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.