NPI Portal NPI Lookup & Verification

Dr. Ray Gervacio Fuentes Blanco, MD

Dr. Ray Gervacio Fuentes Blanco is a Surgical Oncology Physician provider (Surgery) practicing in Baltimore, MD, registered in the NPPES registry with NPI 1891773966 since 2006. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1891773966
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 4438498940
Enumeration date 2006-01-09
Last updated in NPPES 2011-12-23

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208600000X Surgery Physician Secondary D64365 MD
2086X0206X Surgical Oncology Physician Primary D64365 MD

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
Copy-ready billing details
Provider: Ray Gervacio Blanco, MD
NPI: 1891773966
Taxonomy: 2086X0206X (Surgical Oncology Physician)
Address: 6569 N CHARLES ST, STE 401, Baltimore, MD, 21204

Other providers at this practice address

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

Verify this record

Cross-check NPI 1891773966 against the authoritative CMS record: view Dr. Ray Gervacio Fuentes Blanco on the official NPPES registry .

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 or validate an NPI number.

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.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2011-12-23.