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DR. NELSON ANIBAL CRESPO MARTINEZ M.D.
NPI 1467999631
Emergency Medicine in Guaynabo, PR

Active since January 26, 2017PECOS EnrolledAccepts Medicare Assignment
QQ11 CALLE GEA, GUAYNABO, PR 00969(215) 518-4316 Get Directions Write a Review

NPPES record last updated: May 24, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 29, 2022, Jun 29, 2020, Jul 7, 2019 and 3 more (6 updates tracked since 2017).

About Dr. Nelson Anibal Crespo Martinez M.d. NPPES

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

DR. NELSON ANIBAL CRESPO MARTINEZ M.D. (NPI 1467999631) is an individual emergency medicine provider in Guaynabo, Puerto Rico, licensed in Puerto Rico (19903) and active in the NPI registry since January 2017. He is enrolled in Medicare PECOS, is affiliated with Auxilio Mutuo Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1467999631
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. NELSON ANIBAL CRESPO MARTINEZCredential: M.D.
Location AddressQQ11 CALLE GEAGuaynabo, PR 00969
Mailing AddressQq11 Calle GeaGuaynabo, PR 00969-5015
Phone(215) 518-4316
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJanuary 26, 2017
Last NPPES UpdateMay 24, 20246 updates tracked since enumeration
NPPES CertifiedMay 24, 2024
✔ NPI 1467999631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in PR · 19903
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedSurgery · Surgical Critical CareTaxonomy 2086S0102X · License 19903 (PR)

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

Dr. Nelson Anibal Crespo Martinez 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 ID3476984188
PECOS Enrollment IDI20240723001906
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 Nelson Crespo Martinez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

ER Specialized Care LLC
Emergency Medical Services
715 AVE PONCE DE LEON
San Juan, PR 00917
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 28 clinicians in this Medicare group
NPI 1144758814 (787) 758-2000

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.

Auxilio Mutuo Hospital

Acute Care Hospitals · San Juan, PR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number400016
LocationPonce De Leon Avenue 735 Stop 37 1/2San Juan, PR 00918 · San Juan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00969 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
$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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARCOS ANDRE CRESPO MARTINEZ MD
General Practice
QQ11 CALLE GEA
GUAYNABO, PR 00969
Guaynabo Municipio (787) 348-1258

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 Nelson Crespo Martinez's NPI number?

The NPI number for Nelson Crespo Martinez is 1467999631. It was assigned to this individual provider in the NPPES registry on January 26, 2017.

Where is Nelson Crespo Martinez located?

Nelson Crespo Martinez practices at Qq11 Calle Gea, Guaynabo, PR 00969. The listed phone number is (215) 518-4316.

What is Nelson Crespo Martinez's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nelson Crespo Martinez enrolled in Medicare?

Yes. Nelson Crespo Martinez 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 Nelson Crespo Martinez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nelson Crespo Martinez reassigns Medicare benefits to ER Specialized Care LLC (San Juan, 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 Nelson Crespo Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nelson Crespo Martinez affiliated with any hospitals?

According to CMS data, Nelson Crespo Martinez is affiliated with Auxilio Mutuo Hospital.

When was this NPI record last updated?

The NPPES record for Nelson Crespo Martinez was last updated on May 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.