John Peyton Speck, M.D.
Specialist · Berkley, MI
John Peyton Speck, M.D. is a specialist with a practice address in Berkley, Michigan, and NPI 1740227768, issued on May 31, 2006. Check the license (Michigan 4301039812, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Peyton Speck
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 4301039812 MI
Self-reported in NPPES; status is on the state search - Practice location
- 27901 Woodward Ave, Berkley, MI 48072
- Phone
- (248) 414-5377
- Enumerated
- May 31, 2006
- Record last updated
- Nov 16, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (248) 541-0542
- Medicaid ID
- 1652194 MI
- Medicare enrollment
- Enrolled (PECOS I20041217000212); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest specialist records → All 772 in Michigan → Look up another NPI →
Also registered at 27901 Woodward Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Peyton Speck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4301039812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average specialist in 2024
373 Medicare Part D claims for 52 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Sevelamer Carbonate31 claims
- Jardiance27 claims
- Omeprazole19 claims
- Lanthanum Carbonate17 claims
- Allopurinol15 claims
- Gabapentin15 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
- Nephrology Consultants PCBerkley, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Peyton Speck among 772 specialist records in Michigan
John Peyton Speck, M.D. is one of 772 specialist records with a practice address in Michigan. 15% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 66% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated1977 · median 1988 among the 73 with a school on file
- Record last updated2012 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Michigan
There are 772 specialist records in Michigan.
All 772 in Michigan → Every provider in Berkley → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Fernando Diaz, MDRoyal Oak, MI 480731184610875
- James Mc Cullough, M.DRoyal Oak, MI 480731679669121
- Judy McRobb, NCTMB CERTIFIEDRoyal Oak, MI 480731588796627
- Michelle Keys, PTHuntington Woods, MI 480701265633788
- John RostineKimball, MI 480741174986889
- Kerri SillsHuntington Woods, MI 480701417495425
- Cristie Becker, MDSouthfield, MI 480751558399253
- Carmen Endress, MDSouthfield, MI 480751104853480
Common questions
What is John Peyton Speck, M.D.'s NPI number?
John Peyton Speck, M.D.'s National Provider Identifier (NPI) is 1740227768, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Peyton Speck, M.D. located?
The NPPES record lists a practice address at 27901 Woodward Ave, Berkley, MI, 48072. Phone: (248) 414-5377. Providers update this record themselves, so call before visiting.
How can I verify John Peyton Speck, M.D.'s license?
NPPES lists Michigan license number 4301039812, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does John Peyton Speck, M.D. prescribe under Medicare Part D?
In 2024, John Peyton Speck, M.D. had 373 Medicare Part D claims for 52 beneficiaries; the average among specialist prescribers was 1,380. 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.