Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Lawrence S. Frank, M.D.

Ophthalmology Physician in Rockville, MD · enumerated 2006.

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

National Provider Identifier

1619998036

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Registry record

Entity type Individual (Type 1)

Name Dr. Lawrence S. Frank

Credential M.D.

Sex Male

Practice address 121 Congressional Ln, Suite 412, Rockville, MD, 20852

Phone (301) 770-4623

Fax (301) 770-7860

Enumeration date Jul 21, 2006

Last updated in NPPES Jan 16, 2008

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License D0032998 (MD) Primary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License MD16346 (DC) Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 0101038912 (VA) Secondary

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
5335	Other	DC	CAREFIRST BCBS
OF26LS	Other	MD	CAREFIRST BCBS OF MD

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 is the NPI number for Lawrence Frank?

The National Provider Identifier (NPI) for Lawrence Frank is 1619998036, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lawrence Frank practice?

The practice location on file with NPPES is in Rockville, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-16.