MR. GUILLERMO E ULMOS SR. MD
NPI 1144429416
Surgery in San Juan, PR

Q: What is Guillermo Ulmos's NPI number?

The NPI number for Guillermo Ulmos is 1144429416. It was assigned to this individual provider in the NPPES registry on July 16, 2007.

Q: What is Guillermo Ulmos's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Guillermo Ulmos was last updated on July 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since July 16, 2007

4097 STREET EMILIANO POL, SUITE 574, SAN JUAN, PR 00926(787) 760-1262 Get Directions Write a Review

NPPES record last updated: July 16, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mr. Guillermo E Ulmos Sr. Md NPPES

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

MR. GUILLERMO E ULMOS SR. MD (NPI 1144429416) is an individual surgery provider in San Juan, Puerto Rico, licensed in Puerto Rico (4242) and active in the NPI registry since July 2007.

NPPES Registry Identity

NPI1144429416

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameMR. GUILLERMO E ULMOS SR.Credential: MD

Location Address4097 STREET EMILIANO POL, SUITE 574San Juan, PR 00926

Mailing Address4097 Street Emiliano Pol, Suite 574San Juan, PR 00926 · (787) 760-1262

Phone(787) 760-1262

Sole ProprietorNo

Enumeration DateJuly 16, 2007

✔ NPI 1144429416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in PR · 4242

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

4097 STREET EMILIANO POL, San Juan, PR 00926

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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 Guillermo Ulmos's NPI number?

The NPI number for Guillermo Ulmos is 1144429416. It was assigned to this individual provider in the NPPES registry on July 16, 2007.

Where is Guillermo Ulmos located?

Guillermo Ulmos practices at 4097 Street Emiliano Pol Suite 574, San Juan, PR 00926. The listed phone number is (787) 760-1262.

What is Guillermo Ulmos's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for Guillermo Ulmos was last updated on July 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.