NPPES file of Aug 9, 2026

David Gregory Gerst, M.D.

Internal Medicine Physician · Rochester, MI

David Gregory Gerst, M.D. is an internal medicine physician with a practice address in Rochester, Michigan, and NPI 1689052524, issued on May 12, 2015. Check the license 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
1689052524
Name
David Gregory Gerst
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
0101272476 VA
Self-reported in NPPES; status is on the state search
Practice location
1101 W University Dr, Rochester, MI 48307
Phone
(248) 601-4900
Enumerated
May 12, 2015
Record last updated
Jul 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210823001298); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2016
Telehealth
Offers telehealth (CMS)
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 1101 W University Dr

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

  1. Aws Saeed Muhammad Ababneh, MDStudent in an Organized Health Care Education/Training Program1528988318
  2. Emecheta Ajaero, MDStudent in an Organized Health Care Education/Training Program1003501156
  3. Abdalrahman Al SlaimiehStudent in an Organized Health Care Education/Training Program1144142670
  4. Ahmed Al-Nusairi, MDStudent in an Organized Health Care Education/Training Program1053253146
  5. Hazem Alata, MDStudent in an Organized Health Care Education/Training Program1912840240
  6. Tamara Altaweel, MDStudent in an Organized Health Care Education/Training Program1760066989

Verify David Gregory Gerst in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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12% more Medicare Part D claims than the average internal medicine physician in 2024

3,557 Medicare Part D claims for 355 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 25 claims were for opioids.

  1. David Gerst3,557
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium311 claims
  2. Amlodipine Besylate131 claims
  3. Levothyroxine Sodium131 claims
  4. Atorvastatin Calcium130 claims
  5. Pantoprazole Sodium128 claims
  6. Losartan Potassium107 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.

Industry payments in 2024: $886.68

37 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Gerst$886.68
  2. Specialty average$1,303.06

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

  1. Privia Medical Group, LLCLorton, VA

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

David Gregory Gerst among 5,735 internal medicine physician records in Michigan

David Gregory Gerst, M.D. is one of 5,735 internal medicine physician records with a practice address in Michigan. 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 2015, is newer than 66% of them.

  • NPI issued2015 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2016 · median 2006 among the 3,564 with a school on file
  • Record last updated2021 · 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 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 internal medicine physician records list a practice address in Rochester

They are 35 of the 717 NPPES records with a practice address in Rochester, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Thomas Bering, MDRochester Hills, MI 483071861482846
  2. Bret Bielawski, DORochester Hills, MI 483071437149671
  3. Gina Buccalo, MDRochester, MI 483071124002498
  4. Fadi Demashkieh, MDRochester Hills, MI 483071396726808
  5. Mara Geiger, MDRochester Hills, MI 483071003806241
  6. Todd Hachigian, MDRochester Hills, MI 483071053301713
  7. Anna Kulczycki-Mittag, MDRochester Hills, MI 483071801886049
  8. Andrew Madak, D.O.Rochester Hills, MI 483071588656755

Common questions

What is David Gregory Gerst, M.D.'s NPI number?

David Gregory Gerst, M.D.'s National Provider Identifier (NPI) is 1689052524, issued on May 12, 2015. An NPI identifies a provider in billing; it is not a license.

Where is David Gregory Gerst, M.D. located?

The NPPES record lists a practice address at 1101 W University Dr, Rochester, MI, 48307. Phone: (248) 601-4900. Providers update this record themselves, so call before visiting.

How can I verify David Gregory Gerst, M.D.'s license?

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 David Gregory Gerst, M.D. prescribe under Medicare Part D?

In 2024, David Gregory Gerst, M.D. had 3,557 Medicare Part D claims for 355 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.