1. Home
  2. Directory
  3. NPI Profile

MR. GERARDO ISRAEL COLLAZO MALAVE SR. MD
NPI 1417422353
Psychiatry & Neurology - Child & Adolescent Psychiatry in San Juan, PR

Active since October 08, 2018PECOS Enrolled
RECINTO DE CIENCIAS MEDICAS UPR, DEPARTAMENTO DE PSIQUIATRIA, SAN JUAN, PR 00921(787) 243-5979 Get Directions Write a Review

NPPES record last updated: December 6, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 6, 2021, Mar 19, 2021, Oct 8, 2018 (3 updates tracked since 2018).

About Mr. Gerardo Israel Collazo Malave Sr. Md NPPES

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

MR. GERARDO ISRAEL COLLAZO MALAVE SR. MD (NPI 1417422353) is an individual child & adolescent psychiatry provider in San Juan, Puerto Rico, licensed in Puerto Rico (22394) and active in the NPI registry since October 2018. He is enrolled in Medicare PECOS and maintains a secondary practice location in Cayey.

NPPES Registry Identity

NPI1417422353
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameMR. GERARDO ISRAEL COLLAZO MALAVE SR.Credential: MD
Location AddressRECINTO DE CIENCIAS MEDICAS UPR, DEPARTAMENTO DE PSIQUIATRIASan Juan, PR 00921
Mailing AddressB55 Calle Sanchez, Urb AponteCayey, PR 00736 · (787) 243-5979
Phone(787) 243-5979
Sole ProprietorYes
Enumeration DateOctober 8, 2018
Last NPPES UpdateDecember 6, 20213 updates tracked since enumeration
NPPES CertifiedDecember 6, 2021
✔ NPI 1417422353 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in PR · 22394
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 35019 (PR)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

Secondary Practice Location 1

Location 1B55 Calle Sanchez, Urb AponteCayey, PR 00736-0073 · Phone (787) 243-5979

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Gerardo Israel Collazo Malave Sr. Md 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 Gerardo Collazo Malave reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sheppard Pratt Physicians, P.A.
Psychiatry
6501 N CHARLES ST
Baltimore, MD 21204
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: Sheppard Pratt Physicians PA
  • 187 clinicians in this Medicare group
NPI 1518990712 (410) 938-3150

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 Gerardo Collazo Malave's NPI number?

The NPI number for Gerardo Collazo Malave is 1417422353. It was assigned to this individual provider in the NPPES registry on October 8, 2018.

Where is Gerardo Collazo Malave located?

Gerardo Collazo Malave practices at Recinto De Ciencias Medicas Upr Departamento De Psiquiatria, San Juan, PR 00921. The listed phone number is (787) 243-5979.

What is Gerardo Collazo Malave's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Gerardo Collazo Malave enrolled in Medicare?

Yes. Gerardo Collazo Malave is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gerardo Collazo Malave's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gerardo Collazo Malave reassigns Medicare benefits to Sheppard Pratt Physicians, P.A. (Baltimore, MD). 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 Gerardo Collazo Malave'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 Gerardo Collazo Malave was last updated on December 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.