Gregory David Huhn, M.D.
Infectious Disease Physician · Chicago, IL
Gregory David Huhn, M.D. is an infectious disease physician with a practice address in Chicago, Illinois, and NPI 1366552952, issued on Aug 30, 2006. Check the license (Illinois 036-108799, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory David Huhn
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036-108799 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2020 W Harrison St, Chicago, IL 60612
- Phone
- (312) 572-4575
- Enumerated
- Aug 30, 2006
- Record last updated
- Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (312) 572-4502
- Medicare enrollment
- Enrolled (PECOS I20051018000204); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 2020 W Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Aguado, PHD, LCSWClinical Social Worker1760651848
- Sharon Allen, NPAdult Health Nurse Practitioner1659583359
- Jessica Arroyo Ortiz, LPCProfessional Counselor1861984940
- David Barker, M.D.Infectious Disease Physician1306870993
- Melody Bather-Gardner, MA, MISA IIAddiction (Substance Use Disorder) Counselor1215107438
- Ulana Bodnar, MDInfectious Disease Physician1447377551
Verify Gregory David Huhn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-108799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average infectious disease physician in 2024
1,491 Medicare Part D claims for 80 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims. 34 claims were for opioids.
Most prescribed
- Cabenuva157 claims
- Biktarvy118 claims
- Descovy77 claims
- Atorvastatin Calcium72 claims
- Enalapril Maleate60 claims
- Tivicay57 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $457.56
6 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cook CountyChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory David Huhn among 464 infectious disease physician records in Illinois
Gregory David Huhn, M.D. is one of 464 infectious disease physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1996 · median 2004 among the 311 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Chicago → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Stephanie Black, M.D.Chicago, IL 606121316908791
- Larry Goodman, M.DChicago, IL 606121356396550
- Alan Harris, M.D.Chicago, IL 606121699736488
- Mary Hayden, M.D.Chicago, IL 606121730140187
- Ronald Hershow, M.D.Chicago, IL 606121942241054
- Preeti Kaur, M.D.,M.P.H.Chicago, IL 606121972560639
- Harold Kessler, M.D.Chicago, IL 606121730140534
- John KowalskiChicago, IL 606121235178708
Common questions
What is Gregory David Huhn, M.D.'s NPI number?
Gregory David Huhn, M.D.'s National Provider Identifier (NPI) is 1366552952, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory David Huhn, M.D. located?
The NPPES record lists a practice address at 2020 W Harrison St, Chicago, IL, 60612. Phone: (312) 572-4575. Providers update this record themselves, so call before visiting.
How can I verify Gregory David Huhn, M.D.'s license?
NPPES lists Illinois license number 036-108799, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory David Huhn, M.D. prescribe under Medicare Part D?
In 2024, Gregory David Huhn, M.D. had 1,491 Medicare Part D claims for 80 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Gregory David Huhn, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.