Alexandra Holder, PA-C
NPI 1861850471 · Physician Assistant · Brooklyn, NY
Alexandra Holder, PA-C is a Physician Assistant provider in Brooklyn, NY (NPI 1861850471).
Provider details
- NPI number
- 1861850471
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 019487 (NY)
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
- 2016-02-10
- Last updated
- 2016-04-21
Frequently asked questions
- What is Alexandra Holder's NPI number?
- Alexandra Holder's National Provider Identifier (NPI) is 1861850471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Holder's specialty?
- Alexandra Holder is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexandra Holder located?
- Alexandra Holder's practice location on file with NPPES is 506 6th St, Brooklyn, NY 11215-3609.
- What is Alexandra Holder's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Holder is (718) 780-3000.
- Is Alexandra Holder's NPI active?
- Yes — Alexandra Holder's NPI (1861850471) is active in the NPPES registry as of the last update on 2016-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.