Gregory E. Berger, M.D.
Internal Medicine Physician · Southfield, MI
Gregory E. Berger, M.D. is an internal medicine physician with a practice address in Southfield, Michigan, and NPI 1043279862, issued on Mar 21, 2006. Check the license (Michigan 4301035320, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gregory E. Berger
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301035320 MI
Self-reported in NPPES; status is on the state search - Practice location
- 28411 Northwestern Hwy, Southfield, MI 48034
- Phone
- (248) 354-4709
- Enumerated
- Mar 21, 2006
- Record last updated
- Oct 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (248) 354-4807
- Medicare enrollment
- Enrolled (PECOS I20060630000231); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1974
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 28411 Northwestern Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory E. Berger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301035320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
545 Medicare Part D claims for 130 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 25 claims were for opioids.
Most prescribed
- Alcohol Prep Pads78 claims
- Nano 2nd Gen Pen Needle56 claims
- Single Use Swab31 claims
- Alcohol Swabs19 claims
- Amlodipine Besylate19 claims
- Atorvastatin Calcium16 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: $67.52
3 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Simed PCDetroit, MI
- Unified Academic Physicians PCDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory E. Berger among 5,735 internal medicine physician records in Michigan
Gregory E. Berger, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1974 · median 2006 among the 3,564 with a school on file
- Record last updated2013 · 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).
200 internal medicine physician records list a practice address in Southfield
They are 200 of the 5,689 NPPES records with a practice address in Southfield, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Southfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Sumner CamisaSouthfield, MI 480341033100540
- Charles Godoshian, M.D.Southfield, MI 480341699769190
- David Jacobs, MDSouthfield, MI 480341437158185
- Edward Mishal, D.OSouthfield, MI 480341043200132
- Leon Morris, DOSouthfield, MI 480341700885159
- Sindhu Ramesh, M.D.Southfield, MI 480341396730206
Common questions
What is Gregory E. Berger, M.D.'s NPI number?
Gregory E. Berger, M.D.'s National Provider Identifier (NPI) is 1043279862, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory E. Berger, M.D. located?
The NPPES record lists a practice address at 28411 Northwestern Hwy, Southfield, MI, 48034. Phone: (248) 354-4709. Providers update this record themselves, so call before visiting.
How can I verify Gregory E. Berger, M.D.'s license?
NPPES lists Michigan license number 4301035320, 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 Gregory E. Berger, M.D. prescribe under Medicare Part D?
In 2024, Gregory E. Berger, M.D. had 545 Medicare Part D claims for 130 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.