Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Margaret M Stone, CMW
Midwife in Bryn Mawr, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730117540
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Registry record
Entity type Individual (Type 1)
Name Ms. Margaret M Stone
Credential CMW
Sex Female
Practice address 918 County Line Rd, Bryn Mawr, PA, 19010
Phone (610) 525-6595
Fax (610) 525-1846
Enumeration date Jun 29, 2006
Last updated in NPPES Jan 3, 2022
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2545583 | Other | PA | AETNA PROFESSIONAL |
| 858069 | Other | PA | KEYSTONE PROFESSIONAL |
| 96521700 | Other | PA | BLUECROSS -HMO |
| 001 15741500008 | Medicaid | PA | - |
| 23-2080860 | Other | PA | PRUDENTIAL |
| 5946492 | Other | PA | USHC PROFESSIONAL |
| 858069 | Other | PA | BLUE SHIELD PROFESSIONAL |
| 858069 | Other | PA | PERSONAL CHOICE |
| 01574150-05 | Other | PA | AMERICHOICE (MA) |
| 858069 | Other | PA | BLUE CROSS -PPO |
| P003419 | Other | PA | CHAMPUS |
| 8907454 | Other | PA | CIGNA |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Margaret Stone?
The National Provider Identifier (NPI) for Margaret Stone is 1730117540, a Type 1 (individual) record in the CMS NPPES registry.
Where does Margaret Stone practice?
The practice location on file with NPPES is in Bryn Mawr, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Julie Cristol Advanced Practice Midwife · Bryn Mawr, PA NPI 1699721902 The Birth Center Birthing Clinic/Center · Bryn Mawr, PA NPI 1295778900 Denise Roy Midwife · Bryn Mawr, PA NPI 1770512386 Sarah Appleby-Wineberg Advanced Practice Midwife · Bryn Mawr, PA NPI 1962594077 The Birth Center Midwife · Bryn Mawr, PA NPI 1962568428 Jessica Schwarz Advanced Practice Midwife · Bryn Mawr, PA NPI 1295876845 The Birth Center General Practice Physician · Bryn Mawr, PA NPI 1184898256 Heather Daniel Women's Health Nurse Practitioner · Bryn Mawr, PA NPI 1851566343
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-03.