Active NPI 1215912316 Individual Practitioner Male Practitioner

Dr. David Ulaszek , MD

Internal Medicine • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. David Ulaszek, MD is a registered Internal Medicine practitioner in Chicago, IL. With approximately 35 years of clinical practice since graduating from University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb) in 1991, Dr. Ulaszek provides healthcare services at the registered practice location at 5525 S PULASKI RD.

Dr. Ulaszek is affiliated with Osf Multi-Specialty Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, 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, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5525 S Pulaski Rd

Chicago, IL 606294417

Telephone 7735851955

Fax 7732845268

Associated Practice Facility / Clinic

🏢 Scal Ii Inc Facility NPI 1902848716

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

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +13.2 yrs vs City Avg

City Avg: 21.8 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

2969 Specialists

Practicing in Chicago, IL (7544 Statewide)

Telehealth Adoption Rate

12.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

50.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ulaszek (35 Years) 35 Yrs

Chicago Specialty Average (21.8 Years) 21.8 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	411	146	$293.94	$128.08
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	113	80	$49.00	$16.78
99213 Established patient office or other outpatient visit, typically 15 minutes	51	31	$207.69	$94.15
G0008 Administration of influenza virus vaccine	37	37	$33.97	$33.29
90653 Vaccine for influenza for injection into muscle	33	33	$75.00	$73.50
83036 Hemoglobin A1C level	12	12	$61.00	$9.52

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	417	156	$282.00	$128.07
99213 Established patient office or other outpatient visit, typically 15 minutes	77	52	$200.00	$90.78
G0008 Administration of influenza virus vaccine	50	49	$32.94	$29.66
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	42	41	$74.43	$72.94
99442 Telephone medical discussion with physician, 11-20 minutes	22	16	$135.00	$90.71
83036 Hemoglobin A1C level	18	14	$60.00	$9.52
G0009 Administration of pneumococcal vaccine	14	14	$32.00	$29.66
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	14	14	$450.00	$281.85

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	404	160	$270.83	$130.57
99213 Established patient office or other outpatient visit, typically 15 minutes	144	74	$191.75	$94.07
G0008 Administration of influenza virus vaccine	52	51	$31.92	$28.01
99442 Telephone medical discussion with physician, 11-20 minutes	40	31	$126.00	$96.23
G0009 Administration of pneumococcal vaccine	32	32	$30.94	$28.12
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	28	28	$59.86	$58.66
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	24	24	$26.92	$21.04
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	19	19	$484.63	$278.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	272	129	$172.90	$95.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	192	128	$265.65	$136.31
99442 Telephone medical discussion with physician, 11-20 minutes	67	42	$109.51	$97.40
99441 Telephone medical discussion with physician, 5-10 minutes	47	36	$63.70	$59.85
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	41	40	$26.32	$20.51
G0008 Administration of influenza virus vaccine	41	40	$30.32	$16.25
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	20	$107.33	$53.69
83036 Hemoglobin A1C level	13	11	$55.15	$8.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	198	106	$133.00	$80.19
99442 Telephone medical discussion with physician, 11-20 minutes	168	97	$95.00	$81.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	123	87	$199.00	$116.93
99441 Telephone medical discussion with physician, 5-10 minutes	46	36	$60.00	$49.37
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	21	21	$39.00	$19.54
90471 Administration of 1 vaccine	17	17	$43.00	$15.24
99443 Telephone medical discussion with physician, 21-30 minutes	15	12	$135.00	$117.24
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$79.00	$43.27
G0008 Administration of influenza virus vaccine	12	12	$43.00	$17.65
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$239.00	$180.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	422	156	$133.00	$77.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	193	119	$199.00	$112.22
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	64	25	$140.00	$77.81
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	42	42	$39.00	$18.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	24	$79.00	$47.91
G0008 Administration of influenza virus vaccine	26	26	$43.00	$17.33
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	18	$202.00	$111.10
G0009 Administration of pneumococcal vaccine	23	23	$41.00	$17.33
90471 Administration of 1 vaccine	23	21	$43.00	$17.58
90670 Pneumococcal vaccine for injection into muscle	18	18	$262.00	$204.90
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	16	16	$239.00	$181.76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$265.00	$147.35
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$122.00	$109.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	452	156	$133.00	$77.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	196	125	$199.00	$112.20
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	137	59	$140.00	$77.33
90471 Administration of 1 vaccine	39	38	$43.00	$21.46
99239 Hospital discharge day management, more than 30 minutes	32	31	$202.00	$113.75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	31	21	$202.00	$110.63
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	30	$265.00	$145.98
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	29	29	$39.00	$18.65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	25	$390.00	$215.86
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	18	$79.00	$46.32
G0008 Administration of influenza virus vaccine	22	22	$43.00	$21.31
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	11	$78.00	$41.85
90670 Pneumococcal vaccine for injection into muscle	13	13	$262.00	$196.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	428	154	$133.00	$73.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	267	156	$199.00	$107.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	13	$140.00	$72.51
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	27	27	$39.00	$18.65
90471 Administration of 1 vaccine	25	25	$43.00	$25.16
G0008 Administration of influenza virus vaccine	19	19	$43.00	$26.42

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

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

036082090 / 01 (IL)

Commercial Insurance / Payer ID Bcbs Of Il

01621679 (IL)

Hospital & Practice Group Affiliations

Osf Multi-Specialty Group

8600 State Route 91, Peoria, IL 616157829

Phone: 3096835050

Practice Associates & Co-Workers

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

9 Associated Practitioners

Lorel Mayer Neal , MSN, CNM

Advanced Practice Midwife

NPI 1073596599

Master of Science in Nursing, Certified Nurse Midwife

Dr. Neill Peters , MD

Dermatology

NPI 1215912795

Doctor of Medicine (M.D.)

Dr. Theodore Christou , MD

Internal Medicine - Geriatric Medicine

NPI 1235106022

Doctor of Medicine (M.D.)

Joy Grohar , MS CNM

Advanced Practice Midwife

NPI 1235112798

MSCNM

Dr. Michael Mcdonnell , MD

Internal Medicine

NPI 1467436972

Doctor of Medicine (M.D.)

Jennifer Benson , MS CNM

Advanced Practice Midwife

NPI 1619950284

MSCNM

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 5525 S PULASKI RD, CHICAGO, IL 606294417 (Tel: 7735851955)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2525 S MICHIGAN AVE, B-390, CHICAGO, IL 606162333 (Tel: 3125676691)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as DAVID ULASZEK, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine

🟢

Initial NPI Registration & Enumeration December 12, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1215912316

Entity Type:

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

Enumeration Date: December 12, 2005

Last Update: July 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2525 S Michigan Ave, B-390

Chicago, IL 606162333

Phone: 3125676691

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.