Alexandra Ubilla, M.D.
NPI 1366886954 · Emergency Medicine Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Ubilla, M.D. is a Emergency Medicine Physician provider in San Juan, PR (NPI 1366886954).
Provider details
- NPI number
- 1366886954
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 283288 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Mailing address
Additional practice locations (2)
- 506 6th St New York Methodist HospitalEmergency DeptBrooklyn, NY 11215-3609Phone: (718) 780-5040
- 917 Ave Tito CastroPonce, PR 00716-4717Phone: (787) 844-4106
Registry dates
- Enumerated
- 2013-04-25
- Last updated
- 2022-07-25
- Certified
- 2022-07-24
Frequently asked questions
- What is Alexandra Ubilla's NPI number?
- Alexandra Ubilla's National Provider Identifier (NPI) is 1366886954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Ubilla's specialty?
- Alexandra Ubilla is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexandra Ubilla located?
- Alexandra Ubilla's practice location on file with NPPES is 10 Calle Casia, San Juan, PR 00921-3200.
- What is Alexandra Ubilla's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Ubilla is (787) 641-7582.
- Does Alexandra Ubilla accept Medicare?
- Alexandra Ubilla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Ubilla's NPI active?
- Yes — Alexandra Ubilla's NPI (1366886954) is active in the NPPES registry as of the last update on 2022-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.