1. Home
  2. Directory
  3. NPI Profile

DR. JUAN M MARRERO M.D.
NPI 1174528269
Anesthesiology in Humacao, PR

Active since June 16, 2005PECOS Enrolled
AVE 3 FONT MARTELO, HUMACAO, PR 00791(787) 852-2424 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Juan M Marrero M.d. NPPES

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

DR. JUAN M MARRERO M.D. (NPI 1174528269) is an individual anesthesiology provider in Humacao, Puerto Rico, licensed in Puerto Rico (11002) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174528269
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. JUAN M MARREROCredential: M.D.
Location AddressAVE 3 FONT MARTELOHumacao, PR 00791
Mailing Address267 Calle Ingenio, Hacienda MargaritaLuquillo, PR 00773-3031 · (787) 314-5854
Phone(787) 852-2424
Sole ProprietorYes
Enumeration DateJune 16, 2005
Last NPPES UpdateFebruary 18, 2026
NPPES CertifiedFebruary 18, 2026
✔ NPI 1174528269 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in PR · 11002
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Other Identifiers 4

Other03655PR · American Health Provider
Other4001792PR · Cigna Provider Number
Other87606PR · Ttriplesss Provider Numbe
Other100968PR · Cruz Azul Provider Number

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Juan M Marrero M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Juan Marrero reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hospital Menonita Humacao Inc
General Acute Care Hospital
NUMERO 300 AVENIDA FONT MARTELLO
Humacao, PR 00792
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 12 clinicians in this Medicare group
NPI 1578196820 (787) 434-1700

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

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 Juan Marrero's NPI number?

The NPI number for Juan Marrero is 1174528269. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is Juan Marrero located?

Juan Marrero practices at Ave 3 Font Martelo, Humacao, PR 00791. The listed phone number is (787) 852-2424.

What is Juan Marrero's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Juan Marrero enrolled in Medicare?

Yes. Juan Marrero is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Juan Marrero's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Juan Marrero reassigns Medicare benefits to Hospital Menonita Humacao Inc (Humacao, 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 Juan Marrero's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Juan Marrero was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.