NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Emily Porter Gerson, MD

Dermatology Physician in Washington, DC · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1649281122

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Emily Porter Gerson
Credential MD
Sex Female
Practice address 4910 Massachusetts Ave Nw Ste 302, Washington, DC, 20016
Phone (202) 991-9000
Fax (202) 793-4900
Enumeration date Aug 10, 2006
Last updated in NPPES Sep 23, 2020

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License D61064 (MD) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
MD034213 Other DC DC MD LICENSE
1F1388 Other DC PTAN

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Emily Gerson?
Emily Gerson is registered in NPPES with the primary taxonomy of Dermatology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-23.