DR. JOHN PEYTON SPECK M.D.
NPI 1740227768
Specialist in Berkley, MI
About Dr. John Peyton Speck M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN PEYTON SPECK M.D. (NPI 1740227768) is an individual specialist in Berkley, Michigan, licensed in Michigan (4301039812) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1977).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Peyton Speck M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Speck reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Berkley, MI 48072
- Reassigned Medicare billing, Michigan enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BERKLEY, MI 48072
BERKLEY, MI 48072
BERKLEY, MI 48072
BERKLEY, MI 48072
BERKLEY, MI 48072
BERKLEY, MI 48072
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Speck's NPI number?
The NPI number for John Speck is 1740227768. It was assigned to this individual provider in the NPPES registry on May 31, 2006.
Where is John Speck located?
John Speck practices at 27901 Woodward Ave Suite 210, Berkley, MI 48072. The listed phone number is (248) 414-5377.
What is John Speck's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is John Speck enrolled in Medicare?
Yes. John Speck is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Speck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Speck reassigns Medicare benefits to Nephrology Consultants, PC (Berkley, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Speck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Speck accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list John Speck as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for John Speck was last updated on November 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John Peyton Speck, M.D. · NPI 1740227768
Specialist provider in Berkley, Michigan. Individual provider, active in the CMS NPPES registry since May 31, 2006.
## Identity
- **NPI:** 1740227768 (Entity type: Individual)
- **Enumerated:** May 31, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 4301039812 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 27901 WOODWARD AVE, SUITE 210, Berkley, MI 48072-0919
- **Phone:** (248) 414-5377 · **Fax:** (248) 541-0542
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Nephrology Consultants, PC (NPI 1487608014, Berkley, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 1977
## Record status
- **NPPES last updated:** November 16, 2012
- **Other identifiers:** Medicare UPIN D83110 (MI); Medicaid 1652194 (MI); Medicare ID-Type Unspecified 0633030 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1740227768) · Data from the CMS NPPES public registry.