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Gemma Mercado, M.D.
NPI 1992844583 · Family Medicine Physician · Tamuning, GU
Gemma Mercado, M.D. is a Family Medicine Physician provider in Tamuning, GU (NPI 1992844583).
Provider details
- NPI number
- 1992844583
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A95009 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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.
Mailing address
Naval Hospital Guam
Fpo, AP 96538
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2008-04-20
Frequently asked questions
- What is Gemma Mercado's NPI number?
- Gemma Mercado's National Provider Identifier (NPI) is 1992844583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gemma Mercado's specialty?
- Gemma Mercado is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gemma Mercado located?
- Gemma Mercado's practice location on file with NPPES is 388 Ypao Rd, Tamuning, GU 96913-3701.
- What is Gemma Mercado's phone number?
- The practice phone number listed in the NPPES registry for Gemma Mercado is (671) 646-8881.
- Is Gemma Mercado's NPI active?
- Yes — Gemma Mercado's NPI (1992844583) is active in the NPPES registry as of the last update on 2008-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.