Margaret Jahn, C.N.M.
NPI 1285603654 · Advanced Practice Midwife · Baltimore, MD
Margaret Jahn, C.N.M. is a Advanced Practice Midwife provider in Baltimore, MD (NPI 1285603654).
Provider details
- NPI number
- 1285603654
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- C.N.M.
- Sex
- Female
- License
- R072688 (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
20 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
- 2006-03-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Jahn's NPI number?
- Margaret Jahn's National Provider Identifier (NPI) is 1285603654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Jahn's specialty?
- Margaret Jahn is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Jahn located?
- Margaret Jahn's practice location on file with NPPES is 9000 Franklin Square Dr, Baltimore, MD 21237-3901.
- What is Margaret Jahn's phone number?
- The practice phone number listed in the NPPES registry for Margaret Jahn is (443) 777-8005.
- Is Margaret Jahn's NPI active?
- Yes — Margaret Jahn's NPI (1285603654) 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.