Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gerald F Cox, MD, PHD

Clinical Genetics (M.D.) Physician in Boston, MA · enumerated 2006.

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

National Provider Identifier

1811955479

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Registry record

Entity type Individual (Type 1)

Name Dr. Gerald F Cox

Credential MD, PHD

Sex Male

Practice address 300 Longwood Ave, Boston, MA, 02115

Phone (617) 768-6894

Fax (617) 252-7694

Enumeration date May 3, 2006

Last updated in NPPES Aug 17, 2007

Taxonomy & licenses

207SG0201X Clinical Genetics (M.D.) Physician Allopathic & Osteopathic Physicians · License 75325 (MA) Primary

207SG0202X Clinical Biochemical Genetics Physician Allopathic & Osteopathic Physicians · License 75325 (MA) Secondary

207SG0203X Clinical Molecular Genetics Physician Allopathic & Osteopathic Physicians · License 75325 (MA) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 75325 (MA) 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
3132950	Medicaid	MA	-

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.

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Frequently asked questions

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.

What specialty is Gerald Cox?

Gerald Cox is registered in NPPES with the primary taxonomy of Clinical Genetics (M.D.) Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-17.