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LILLIAM M DIAZ MD
NPI 1053377523
Radiology - Diagnostic Radiology in Cayey, PR

Active since April 25, 2006PECOS EnrolledAccepts Medicare Assignment
BO RINCON SECTOR LAS LOMAS CARR #14 KM 72-2, EDIFICIO PROFESIONAL HOSPITAL MENONITA, CAYEY, PR 00736(787) 535-1001 Get Directions Write a Review

NPPES record last updated: April 18, 2024. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Lilliam M Diaz Md NPPES

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

LILLIAM M DIAZ MD (NPI 1053377523) is an individual diagnostic radiology provider in Cayey, Puerto Rico, licensed in Puerto Rico (12104) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Hospital Menonita De Cayey, and maintains a secondary practice location in Caguas.

NPPES Registry Identity

NPI1053377523
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameLILLIAM M DIAZCredential: MD
Location AddressBO RINCON SECTOR LAS LOMAS CARR #14 KM 72-2, EDIFICIO PROFESIONAL HOSPITAL MENONITACayey, PR 00736
Mailing Address100 Calle Marginal Apt 322Guaynabo, PR 00969-8415 · (787) 646-3002
Phone(787) 535-1001
Sole ProprietorYes
Medical School CMSOtherGraduated 1989
Enumeration DateApril 25, 2006
Last NPPES UpdateApril 18, 2024
NPPES CertifiedApril 11, 2024
✔ NPI 1053377523 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in PR · 12104
Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Secondary Practice Location 1

Location 1Turabo Gardens, Carr. 172, Salida 21Caguas, PR 00727-7084 · Phone (787) 653-0550

Other Identifiers 1

Medicaid7360053PR

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

Lilliam M Diaz Md 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 ID244472561
PECOS Enrollment IDI20130815000242
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital Menonita De Cayey

Acute Care Hospitals · Cayey, PR
OwnershipVoluntary non-profit - Private
CMS Certification Number400013
LocationBo. Rincon Sector Las Lomas Km.3.1 Carr 14Cayey, PR 00737 · Cayey County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00736 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
$88.07 typical visit price
range $56.86 – $172.44
Typical copayment $22.01 (range $14.21 – $43.11)
Most-billed visit code 99203
Established Patient
$70.88 typical visit price
range $18.24 – $140.44
Typical copayment $17.72 (range $4.56 – $35.11)
Most-billed visit code 99213
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 Lilliam Diaz's NPI number?

The NPI number for Lilliam Diaz is 1053377523. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Where is Lilliam Diaz located?

Lilliam Diaz practices at Bo Rincon Sector Las Lomas Carr #14 Km 72-2 Edificio Profesional Hospital Menonita, Cayey, PR 00736. The listed phone number is (787) 535-1001.

What is Lilliam Diaz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Lilliam Diaz enrolled in Medicare?

Yes. Lilliam Diaz 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.

Is Lilliam Diaz affiliated with any hospitals?

According to CMS data, Lilliam Diaz is affiliated with Hospital Menonita De Cayey.

When was this NPI record last updated?

The NPPES record for Lilliam Diaz was last updated on April 18, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.