Cynthia Viera, MD
NPI 1154335396 · Internal Medicine Physician · San Juan, PR
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Viera, MD is a Internal Medicine Physician provider in San Juan, PR (NPI 1154335396).
Provider details
- NPI number
- 1154335396
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 12711 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Cynthia Viera's NPI number?
- Cynthia Viera's National Provider Identifier (NPI) is 1154335396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Viera's specialty?
- Cynthia Viera is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Viera located?
- Cynthia Viera's practice location on file with NPPES is San Juan Va Medical Center, San Juan, PR 00921-3201.
- What is Cynthia Viera's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Viera is (787) 758-7575.
- Does Cynthia Viera accept Medicare?
- Cynthia Viera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Viera's NPI active?
- Yes — Cynthia Viera's NPI (1154335396) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.