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CARLOS A MARTINEZ CRESPI MD
NPI 1407368210
Internal Medicine - Hematology & Oncology in Aibonito, PR

Active since November 02, 2017PECOS EnrolledAccepts Medicare Assignment
CARR #726 KM 0.4 BARRIO EL PUEBLO, AIBONITO, PR 00705(787) 954-8001 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 31, 2026, Aug 30, 2023, Nov 2, 2017 (3 updates tracked since 2017).

About Carlos A Martinez Crespi Md NPPES

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

CARLOS A MARTINEZ CRESPI MD (NPI 1407368210) is an individual hematology & oncology provider in Aibonito, Puerto Rico, licensed in Puerto Rico (23311) and active in the NPI registry since November 2017. He is enrolled in Medicare PECOS, is affiliated with Hospital Menonita De Cayey, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1407368210
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameCARLOS A MARTINEZ CRESPICredential: MD
Location AddressCARR #726 KM 0.4 BARRIO EL PUEBLOAibonito, PR 00705
Mailing AddressCarr #726 Km 0.4 Barrio El PuebloAibonito, PR 00705 · (787) 954-8001
Phone(787) 954-8001
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateNovember 2, 2017
Last NPPES UpdateJuly 31, 20263 updates tracked since enumeration
NPPES CertifiedJuly 31, 2026
✔ NPI 1407368210 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 · 23311
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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Carlos A Martinez Crespi 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 ID8426495672
PECOS Enrollment IDI20240323000283
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.

Medicare Billing Reassignment

Medicare enrollment records show Carlos Martinez Crespi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hospital Menonita De Cayey
Specialist
RINCO INTERIOR 14ST
Cayey, PR 00737
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 162 clinicians in this Medicare group
NPI 1255461893 (787) 535-1001

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 00705 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 Carlos Martinez Crespi's NPI number?

The NPI number for Carlos Martinez Crespi is 1407368210. It was assigned to this individual provider in the NPPES registry on November 2, 2017.

Where is Carlos Martinez Crespi located?

Carlos Martinez Crespi practices at Carr #726 Km 0.4 Barrio El Pueblo, Aibonito, PR 00705. The listed phone number is (787) 954-8001.

What is Carlos Martinez Crespi's specialty?

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

Is Carlos Martinez Crespi enrolled in Medicare?

Yes. Carlos Martinez Crespi 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.

Which organization bills Medicare for Carlos Martinez Crespi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Martinez Crespi reassigns Medicare benefits to Hospital Menonita De Cayey (Cayey, PR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carlos Martinez Crespi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Carlos Martinez Crespi affiliated with any hospitals?

According to CMS data, Carlos Martinez Crespi is affiliated with Hospital Menonita De Cayey.

When was this NPI record last updated?

The NPPES record for Carlos Martinez Crespi was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.