NPPES file of Aug 9, 2026

Ray Gervacio Fuentes Blanco, MD

Surgical Oncology Physician · Baltimore, MD

Ray Gervacio Fuentes Blanco, MD is a surgical oncology physician with a practice address in Baltimore, Maryland, and NPI 1891773966, issued on Jan 9, 2006. Check the license (Maryland D64365, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891773966
Name
Ray Gervacio Fuentes Blanco
Credential
MD
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
D64365 MD
Self-reported in NPPES; status is on the state search
Practice location
6569 N Charles St, Baltimore, MD 21204
Phone
(443) 849-8940
Enumerated
Jan 9, 2006
Record last updated
Dec 23, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
411454000 MD
Medicare enrollment
Enrolled (PECOS I20061207000283); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6569 N Charles St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dominique Allen, MDObstetrics & Gynecology Physician1508973223
  2. Barbara Bell, MDCardiovascular Disease Physician1629120522
  3. Michelle Bianchi, OTROccupational Therapist1750335816
  4. Melissa Bidlack, CCC-SLPSpeech-Language Pathologist1831511625
  5. Joan Blomquist, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1831117472
  6. Margaret Brennan, M.D.Cardiovascular Disease Physician1851489207

Verify Ray Gervacio Fuentes Blanco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D64365
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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8% fewer Medicare Part D claims than the average surgical oncology physician in 2024

80 Medicare Part D claims for 48 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D.

  1. Ray Gervacio Blanco80
  2. Specialty average87

Most prescribed

  1. Amoxicillin-Clavulanate Potass22 claims
  2. Famotidine11 claims
  3. Nystatin11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $152.77

6 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 1,132 providers of this specialty with any payment received $4,224.74 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ray Gervacio Blanco$152.77
  2. Specialty average$4,224.74

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Greater Baltimore Medical Center IncBaltimore, MD
  2. Meritus Medical Center IncHagerstown, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ray Gervacio Fuentes Blanco among 51 surgical oncology physician records in Maryland

Ray Gervacio Fuentes Blanco, MD is one of 51 surgical oncology physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 65% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1985 · median 2007 among the 34 with a school on file
  • Record last updated2011 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in Maryland

There are 51 surgical oncology physician records in Maryland.

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Mark Krasna, M.D.Towson, MD 212041679688204
  2. Richard Mackey, MDTowson, MD 212041336244839
  3. John Saunders, M.D.Baltimore, MD 212041013029446
  4. Armando Sardi, MDBaltimore, MD 212021679511570
  5. Rebecca Brown, MDBaltimore, MD 212011891054896
  6. Jeremy Davis, M.D.Baltimore, MD 212011437399987
  7. Meghan Garstka, M.D.Baltimore, MD 212011154764421
  8. Yinin Hu, M.D.Baltimore, MD 212011346539566

Common questions

What is Ray Gervacio Fuentes Blanco, MD's NPI number?

Ray Gervacio Fuentes Blanco, MD's National Provider Identifier (NPI) is 1891773966, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ray Gervacio Fuentes Blanco, MD located?

The NPPES record lists a practice address at 6569 N Charles St, Baltimore, MD, 21204. Phone: (443) 849-8940. Providers update this record themselves, so call before visiting.

How can I verify Ray Gervacio Fuentes Blanco, MD's license?

NPPES lists Maryland license number D64365, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ray Gervacio Fuentes Blanco, MD prescribe under Medicare Part D?

In 2024, Ray Gervacio Fuentes Blanco, MD had 80 Medicare Part D claims for 48 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.