Margaret Stone, CMW
NPI 1730117540 · Midwife · Bryn Mawr, PA
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Stone, CMW is a Midwife provider in Bryn Mawr, PA (NPI 1730117540).
Provider details
- NPI number
- 1730117540
- Entity type
- Individual
- Primary specialty
- MidwifeOther Service Providers
- Credential
- CMW
- Sex
- Female
- Sole proprietor
- No
- License
- MW008424L (PA)
Specialties & taxonomies
Other Service 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
- 2006-06-29
- Last updated
- 2022-01-03
Frequently asked questions
- What is Margaret Stone's NPI number?
- Margaret Stone's National Provider Identifier (NPI) is 1730117540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Stone's specialty?
- Margaret Stone is listed in the NPPES registry with a primary specialty of Midwife (Other Service Providers).
- Where is Margaret Stone located?
- Margaret Stone's practice location on file with NPPES is 918 County Line Rd, Bryn Mawr, PA 19010-2502.
- What is Margaret Stone's phone number?
- The practice phone number listed in the NPPES registry for Margaret Stone is (610) 525-6595.
- Does Margaret Stone accept Medicare?
- Margaret Stone is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Stone's NPI active?
- Yes — Margaret Stone's NPI (1730117540) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.