Margaret Holley, CNM
NPI 1336233170 · Advanced Practice Midwife · Cheverly, MD
Margaret Holley, CNM is a Advanced Practice Midwife provider in Cheverly, MD (NPI 1336233170).
Provider details
- NPI number
- 1336233170
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
- License
- AC00162 (MD)
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
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
- 2006-10-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Holley's NPI number?
- Margaret Holley's National Provider Identifier (NPI) is 1336233170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Holley's specialty?
- Margaret Holley is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Holley located?
- Margaret Holley's practice location on file with NPPES is 3001 Hospital Dr, Cheverly, MD 20785-1189.
- What is Margaret Holley's phone number?
- The practice phone number listed in the NPPES registry for Margaret Holley is (301) 618-2355.
- Is Margaret Holley's NPI active?
- Yes — Margaret Holley's NPI (1336233170) 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.