Dr. Michael Ackerman D.O.
About this NPIWhat this record shows.
NPI 1174687917 is registered to Dr. Michael Ackerman D.O., a Internal Medicine practising at 555 Hospital Dr in Warrenton, Virginia. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. Michael Ackerman D.O. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- 885926VA· Issued by MAMSI PROVIDER NUMBER
- 8195981VA· Issued by CIGNA PROVIDER NUMBER
- 2473397VA· Issued by AETNA PROVIDER NUMBER
- 274674VA· Issued by ANTHEM PROVIDER NUMBER
- 060860000VA· Issued by SOUTHERN HEALTH PROVIDER
- 50820004DC· Issued by CAREFIRST PROVIDER NUMBER
Medicaid
- 5846838VA
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
- I20110826000021Internal MedicineVA
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 Dr. Michael Ackerman D.O. accepts. To confirm in-network status with your specific health plan, contact Dr. Michael Ackerman D.O. directly at (540) 347-5512.
Frequently asked
Yes. NPI 1174687917 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 (540) 347-5512.
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. Dr. Michael Ackerman D.O. is a Type-1 individual NPI.