1. Home
  2. Directory
  3. NPI Profile

YOLANDA MAS DE LEON M.D.
NPI 1952372880
Internal Medicine in Fajardo, PR

Active since January 30, 2006PECOS EnrolledAccepts Medicare Assignment
10 CALLE UNION, FAJARDO MEDICAL PLAZA SUITE 103, FAJARDO, PR 00738(787) 863-4886(787) 860-5144 Get Directions Write a Review

NPPES record last updated: November 10, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Yolanda Mas De Leon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

YOLANDA MAS DE LEON M.D. (NPI 1952372880) is an individual internal medicine provider in Fajardo, Puerto Rico, licensed in Puerto Rico (6491) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1976).

NPPES Registry Identity

NPI1952372880
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameYOLANDA MAS DE LEONCredential: M.D.
Location Address10 CALLE UNION, FAJARDO MEDICAL PLAZA SUITE 103Fajardo, PR 00738-4935
Mailing AddressPo Box 228Puerto Real, PR 00740-0228 · (787) 863-4886 · Fax (787) 860-5144
Phone(787) 863-4886
Fax(787) 860-5144
Sole ProprietorNo
Medical School CMSOtherGraduated 1976
Enumeration DateJanuary 30, 2006
Last NPPES UpdateNovember 10, 2022
NPPES CertifiedNovember 10, 2022
✔ NPI 1952372880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PR · 6491
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Yolanda Mas De Leon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981862539
PECOS Enrollment IDI20120228000622
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00738 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
1 supplier19 claims80 services$7.24 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
1 supplier16 claims16 services$2.95 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
1 supplier18 claims39 services$1.24 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yolanda Mas De Leon's NPI number?

The NPI number for Yolanda Mas De Leon is 1952372880. It was assigned to this individual provider in the NPPES registry on January 30, 2006.

Where is Yolanda Mas De Leon located?

Yolanda Mas De Leon practices at 10 Calle Union Fajardo Medical Plaza Suite 103, Fajardo, PR 00738. The listed phone number is (787) 863-4886.

What is Yolanda Mas De Leon's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Yolanda Mas De Leon enrolled in Medicare?

Yes. Yolanda Mas De Leon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Yolanda Mas De Leon was last updated on November 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.