Dr. Christopher Zajac M.D.
About this NPIWhat this record shows.
NPI 1699708669 is registered to Dr. Christopher Zajac M.D., a Internal Medicine practising at 9649 Belair Rd, Second Floor in Baltimore, Maryland. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. Christopher Zajac M.D. 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
- 01125· Issued by JOHNS HOPKINS HEALTHCARE
- 5920093· Issued by AETNA PPO
- 700258· Issued by NCPPO
- 9990· Issued by KAISER
- 52175502· Issued by CAREFIRST MARYLAND
- 110744· Issued by COVENTRY
- 1974448· Issued by UNITED HEALTHCARE
- 2329081· Issued by AETNA HMO
- 281964· Issued by MAMSI
- 0034· Issued by CAREFIRST DC
- 1380505003· Issued by CIGNA
Source: NPPES public registry.
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. Christopher Zajac M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Christopher Zajac M.D. directly at (410) 256-9340.
Frequently asked
Yes. NPI 1699708669 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 (410) 256-9340.
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. Christopher Zajac M.D. is a Type-1 individual NPI.