John Bitner MD
About this NPIWhat this record shows.
NPI 1134118763 is registered to John Bitner MD, a Internal Medicine practising at 4672 Hill St in Cass City, Michigan. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. John Bitner MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Beyond the registryWhat this record adds.
This record carries 13 secondary identifiers beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 7,682 Internal Medicine providers on file in Michigan.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 110141664MI· Issued by METRAHEALTH
- 1102503372MI· Issued by BLUE CROSS BLUE SHIELD
- 5555631MA· Issued by AETNA
- 110B510530MI· Issued by BLUE CROSS BLUE SHIELD
- 253172MI· Issued by HEALTH ADVANTAGE NETWORK
- 2661074002MI· Issued by CIGNA
- G50969MI· Issued by HEALTH NET FEDERAL
- 110B510530MI· Issued by BLUE CARE NETWORK
- 0981438MI· Issued by HEALTH PLUS
- C4849MI· Issued by MCARE
- G50969MI· Issued by HEALTH ALLIANCE PLAN
- 253172MI· Issued by MCLAREN HEALTH PLAN
Medicaid
- 3367681MI
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20100130000339Internal MedicineMI
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans John Bitner MD accepts. To confirm in-network status with your specific health plan, contact John Bitner MD directly at (989) 872-8202.
Frequently asked
Yes. NPI 1134118763 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (989) 872-8202.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. John Bitner MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 7,682 Internal Medicine providers are registered in Michigan, and John Bitner MD is one of them. The figure refreshes each month from the federal source.