Dr. Barbara Williamson M.D.
Also known as
- Also known asHenry, Barbara Williamson
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1972596690 is registered to Dr. Barbara Williamson M.D., a Dermatology practising at 1400 Mercantile Ln, Ste#110 in Largo, Maryland. Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures. Dr. Barbara Williamson M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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
- 348025MD· Issued by UNITEDHEALTHCARE/MAMSI
- 560789MD· Issued by AETNA
- 9601-0001MD· Issued by CAREFIRSTD.C.
- 6732BCMD· Issued by CAREFIRST MARYLAND
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. Barbara Williamson M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Barbara Williamson M.D. directly at (301) 772-9775.
Frequently asked
Yes. NPI 1972596690 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures.
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 (301) 772-9775.
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. Barbara Williamson M.D. is a Type-1 individual NPI.