Clark Johnson MD
About this NPIWhat this record shows.
NPI 1497989305 is registered to Clark Johnson MD, a Maternal & Fetal Medicine practising at 100 S 2nd St Ste 4b in Harrisburg, Pennsylvania. Maternal & Fetal Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Clark Johnson MD has been enumerated in the National Provider Identifier (NPI) registry since 2009.
Medicare enrollment
This provider holds 2 Medicare enrollments 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
- I20150505000597Obstetrics/GynecologyMD
- I20250716000573Obstetrics/GynecologyPA
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 Clark Johnson MD accepts. To confirm in-network status with your specific health plan, contact Clark Johnson MD directly at (717) 231-8472.
Frequently asked
Yes. NPI 1497989305 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Maternal & Fetal Medicine 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 (717) 231-8472.
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. Clark Johnson MD is a Type-1 individual NPI.