Mark Johnson MD
About this NPIWhat this record shows.
NPI 1831118868 is registered to Mark Johnson MD, a Surgery practising at 1140 Varnum Street Ne, Suite 106 in Washington, Washington DC. Surgery is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mark Johnson MD 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
- 2063270· Issued by AETNA
- 52821· Issued by AMERIGROUP
- 16077· Issued by CHARTERED HEALTH PLAN
- 392560· Issued by UNITED HEALTHCARE MAMSI
- F7920001· Issued by BLUE CROSS
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
- I20040408000348General SurgeryDC
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 Mark Johnson MD accepts. To confirm in-network status with your specific health plan, contact Mark Johnson MD directly at (202) 448-4014.
Frequently asked
Yes. NPI 1831118868 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Surgery is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (202) 448-4014.
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. Mark Johnson MD is a Type-1 individual NPI.