Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ray Gervacio Fuentes Blanco, MD

Surgical Oncology Physician in Baltimore, MD · enumerated 2006.

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

National Provider Identifier

1891773966

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Registry record

Entity type Individual (Type 1)

Name Dr. Ray Gervacio Fuentes Blanco

Credential MD

Sex Male

Practice address 6569 N Charles St, Ste 401, Baltimore, MD, 21204

Phone (443) 849-8940

Enumeration date Jan 9, 2006

Last updated in NPPES Dec 23, 2011

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License D64365 (MD) Secondary

2086X0206X Surgical Oncology Physician Allopathic & Osteopathic Physicians · License D64365 (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
KG72GB/89135601	Other	MD	CAREFIRST MARYLAND
411454000	Medicaid	MD	-
S1430006	Other	MD	CAREFIRST REGIONAL

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

What is the NPI number for Ray Gervacio Blanco?

The National Provider Identifier (NPI) for Ray Gervacio Blanco is 1891773966, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ray Gervacio Blanco practice?

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

Other providers at this practice address

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Sidney Gottlieb Cardiovascular Disease Physician · Towson, MD NPI 1477556793 Thomas Guarnieri Clinical Cardiac Electrophysiology Physician · Towson, MD NPI 1275536591 Francesco Grasso Specialist · Towson, MD NPI 1316930712 James Porterfield Cardiovascular Disease Physician · Towson, MD NPI 1912991704 Karen Pitman Otolaryngology Physician · Baltimore, MD NPI 1972574663 Thompson & Sjaarda PA Ophthalmology Physician · Baltimore, MD NPI 1346211935 Raymond Sjaarda Ophthalmology Physician · Baltimore, MD NPI 1811968407 Madhu Chaudhry Medical Oncology Physician · Baltimore, MD NPI 1447201678

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-23.