Ann Lorraine Mercado, FNP
NPI 1306294574 · Family Nurse Practitioner · Los Angeles, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Lorraine Mercado, FNP is a Family Nurse Practitioner provider in Los Angeles, CA (NPI 1306294574).
Provider details
- NPI number
- 1306294574
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95004168 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-05-29
- Last updated
- 2020-02-18
- Certified
- 2020-02-18
Frequently asked questions
- What is Ann Lorraine Mercado's NPI number?
- Ann Lorraine Mercado's National Provider Identifier (NPI) is 1306294574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Lorraine Mercado's specialty?
- Ann Lorraine Mercado is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ann Lorraine Mercado located?
- Ann Lorraine Mercado's practice location on file with NPPES is 808 W 58th St, Los Angeles, CA 90037-3632.
- What is Ann Lorraine Mercado's phone number?
- The practice phone number listed in the NPPES registry for Ann Lorraine Mercado is (323) 541-1600.
- Does Ann Lorraine Mercado accept Medicare?
- Ann Lorraine Mercado is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Lorraine Mercado's NPI active?
- Yes — Ann Lorraine Mercado's NPI (1306294574) is active in the NPPES registry as of the last update on 2020-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.