Physician Profile
Yolanda Mas de Leon, M.D.
Unclaimed ProfileAbout Dr. Mas de Leon
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Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (787) 863-4886
- Email not available
Practice Locations
10 CALLE UNION FAJARDO MEDICAL PLAZA SUITE 103
Fajardo, PR 00738
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internists in Fajardo 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1976 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Yolanda Mas de Leon's specialty?
Yolanda Mas de Leon is an internist in Fajardo, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Yolanda Mas de Leon?
Yolanda Mas de Leon is listed at 10 Calle Union Fajardo Medical Plaza Suite 103, Fajardo, PR 00738. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Yolanda Mas de Leon?
The number on file is (787) 863-4886. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Yolanda Mas de Leon's NPI number?
Yolanda Mas de Leon's National Provider Identifier is 1952372880. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Yolanda Mas de Leon's education?
Yolanda Mas de Leon attended Other, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How long has Yolanda Mas de Leon been practicing?
Yolanda Mas de Leon has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
Has Yolanda Mas de Leon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Yolanda Mas de Leon. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.