Physician Profile
John Peyton Speck, M.D. practices nephrology in Berkley, MI. John is a 1977 graduate of Wayne State University School of Medicine. John is also listed as specializing in specialist. According to Medicare claims data, John cared for 25 Medicare patients across 100 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
27901 WOODWARD AVE SUITE 210
Berkley, MI 48072
100 services · 25 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
66 |
| Dialysis services, 1 physician visit per month (20 years or older) | Treatment | 90962 |
34 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Speck is a nephrology in Berkley, MI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
Dr. Speck is listed at 27901 WOODWARD AVE SUITE 210, Berkley, MI 48072. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (248) 414-5377. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Speck's National Provider Identifier is 1740227768. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Speck attended Wayne State University School of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
Dr. Speck has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Speck provides treatments such as dialysis services, 2-3 physician visits per month and dialysis services, 1 physician visit per month. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Speck. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.