NPPES file of Aug 9, 2026

Gretchen Snoeyenbos Newman, MD

Infectious Disease Physician · Detroit, MI

Gretchen Snoeyenbos Newman, MD is an infectious disease physician with a practice address in Detroit, Michigan, and NPI 1649699422, issued on Apr 9, 2014. Check the license (Michigan 4301501809, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649699422
Name
Gretchen Snoeyenbos Newman
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
4301501809 MI
006952 GA
Self-reported in NPPES; status is on the state search
Practice location
3901 Chrysler Service Drive, Detroit, MI 48201
Phone
(339) 832-8854
Enumerated
Apr 9, 2014
Record last updated
Jun 16, 2022
Medicare enrollment
Enrolled (PECOS I20200630002531); accepts Medicare assignment
Medical or professional school
Emory University School Of Medicine, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3901 Chrysler Service Drive

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Leen Amro, M.D.Student in an Organized Health Care Education/Training Program1407783723
  2. Melissa Graves-Clapp, LLMSWAddiction (Substance Use Disorder) Counselor1285098913
  3. Thomas Kramer, MDStudent in an Organized Health Care Education/Training Program1235827189
  4. Jananie Kumaran, M.D.Student in an Organized Health Care Education/Training Program1386089571
  5. Mahdy NassarPsychiatry Physician1659877090
  6. Natalie Sadik, M.D.Psychiatry Physician1609262948

Verify Gretchen Snoeyenbos Newman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301501809
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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14% more Medicare Part D claims than the average infectious disease physician in 2024

784 Medicare Part D claims for 94 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims. 12 claims were for opioids.

  1. Gretchen Snoeyenbos Newman784
  2. Specialty average689

Most prescribed

  1. Biktarvy200 claims
  2. Juluca58 claims
  3. Amlodipine Besylate44 claims
  4. Symtuza38 claims
  5. Prezcobix33 claims
  6. Tivicay26 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.

Bills Medicare through one group practice

  1. University Physician GroupDetroit, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gretchen Snoeyenbos Newman among 301 infectious disease physician records in Michigan

Gretchen Snoeyenbos Newman, MD is one of 301 infectious disease physician records with a practice address in Michigan. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 74% of them.

  • NPI issued2014 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2014 · median 2002 among the 224 with a school on file
  • Record last updated2022 · 54% 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 Michigan 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 Michigan

There are 301 infectious disease physician records in Michigan.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Patricia Brown, MDDetroit, MI 482011811935976
  2. Pranatharthi Chandrasekar, MDDetroit, MI 482011861430944
  3. Teena Chopra, MDDetroit, MI 482011447435540
  4. Jonathan Cohn, MDDetroit, MI 482011841238912
  5. Sorabh Dhar, MDDetroit, MI 482011619188737
  6. Kayoko Hayakawa, M.D.Detroit, MI 482011720210826
  7. Donald Levine, MDDetroit, MI 482011154368850
  8. Miriam Levine, MDDetroit, MI 482011457639189

Common questions

What is Gretchen Snoeyenbos Newman, MD's NPI number?

Gretchen Snoeyenbos Newman, MD's National Provider Identifier (NPI) is 1649699422, issued on Apr 9, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Snoeyenbos Newman, MD located?

The NPPES record lists a practice address at 3901 Chrysler Service Drive, Detroit, MI, 48201. Phone: (339) 832-8854. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Snoeyenbos Newman, MD's license?

NPPES lists Michigan license number 4301501809, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gretchen Snoeyenbos Newman, MD prescribe under Medicare Part D?

In 2024, Gretchen Snoeyenbos Newman, MD had 784 Medicare Part D claims for 94 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

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.