Margaret Holder, NP
NPI 1639140924 · Nurse Practitioner · Jacksonville, FL
Margaret Holder, NP is a Nurse Practitioner provider in Jacksonville, FL (NPI 1639140924).
Provider details
- NPI number
- 1639140924
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
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
20 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2006-01-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Holder's NPI number?
- Margaret Holder's National Provider Identifier (NPI) is 1639140924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Holder's specialty?
- Margaret Holder is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Holder located?
- Margaret Holder's practice location on file with NPPES is Naval Hospital Jacksonville, Jacksonville, FL 32214-0001.
- What is Margaret Holder's phone number?
- The practice phone number listed in the NPPES registry for Margaret Holder is (904) 542-7200.
- Is Margaret Holder's NPI active?
- Yes — Margaret Holder's NPI (1639140924) 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.