DR. VIVIAN B. DIAZ MELENDEZ M.D
NPI 1265633135
Internal Medicine - Hematology & Oncology in Humacao, PR

Q: What is Vivian Diaz Melendez's NPI number?

The NPI number for Vivian Diaz Melendez is 1265633135. It was assigned to this individual provider in the NPPES registry on May 30, 2007.

Q: What is Vivian Diaz Melendez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since May 30, 2007PECOS EnrolledAccepts Medicare Assignment

#3 CALLE FONT MARTELO, HUMACAO, PR 00791(787) 960-3314 Get Directions Write a Review

NPPES record last updated: August 15, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Vivian B. Diaz Melendez M.d NPPES

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

DR. VIVIAN B. DIAZ MELENDEZ M.D (NPI 1265633135) is an individual hematology & oncology provider in Humacao, Puerto Rico, licensed in Puerto Rico (16706) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of University Central Del Caribe Escuela De Medicina (2004).

NPPES Registry Identity

NPI1265633135

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameDR. VIVIAN B. DIAZ MELENDEZCredential: M.D

Location Address#3 CALLE FONT MARTELOHumacao, PR 00791-0000

Mailing Address#500 Camino Miramontes, Urb Sabanera Del RioGurabo, PR 00778-0000 · (787) 960-3314

Phone(787) 960-3314

Sole ProprietorYes

Medical School CMSUniversity Central Del Caribe Escuela De MedicinaGraduated 2004

Enumeration DateMay 30, 2007

Last NPPES UpdateAugust 15, 2011

✔ NPI 1265633135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in PR · 16706

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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

Dr. Vivian B. Diaz Melendez 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 ID1850562539

PECOS Enrollment IDI20110929000525

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 00791 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

$172.44 typical visit price

range $56.86 – $172.44

Typical copayment $43.11 (range $14.21 – $43.11)

Most-billed visit code 99205

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.

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 Vivian Diaz Melendez's NPI number?

The NPI number for Vivian Diaz Melendez is 1265633135. It was assigned to this individual provider in the NPPES registry on May 30, 2007.

Where is Vivian Diaz Melendez located?

Vivian Diaz Melendez practices at #3 Calle Font Martelo, Humacao, PR 00791. The listed phone number is (787) 960-3314.

What is Vivian Diaz Melendez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Vivian Diaz Melendez enrolled in Medicare?

Yes. Vivian Diaz Melendez 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 Vivian Diaz Melendez was last updated on August 15, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.