Active NPI
Margaret Sidney Hutchison, CNM
- Obstetrics & Gynecology Nurse Practitioner
- San Francisco, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Nurse Practitioner
- License
- RN460322
- Practice address
- 1001 Potrero Avenue
RM 6D14
San Francisco, CA 94110-3518 - Phone
- (415) 206-5679
- Fax
- (415) 206-3112
- NPI assigned
- Jul 3, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Nurse Practitioner | 363LX0001X | RN460322 | CA | Primary |
| Advanced Practice Midwife | 367A00000X | NMW806 | CA |
Addresses
Primary practice location
1001 Potrero Avenue
RM 6D14
San Francisco, CA 94110-3518
Mailing address
PO Box 7464
San Francisco, CA 94120-7464
Phone (415) 206-3103
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| NMW008060 | Medicaid | CA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Nurse Midwife
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 806 | CA | MD | Dental Hygienist |
| RN460322 | CA | MD | Obstetrics & Gynecology Nurse Practitioner |
| NMW806 | CA | MD | Advanced Practice Midwife |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the University of California | Current | Accepting new patients | |
| University of California San Francisco | Current | Accepting new patients | |
| University of California San Francisco | Current | Accepting new patients | |
| UCSF Dept of Surgery | Current | Accepting new patients | |
| UCSF Medical Group Business Services | Current | Accepting new patients | |
| University of California San Francisco | Current | Accepting new patients | |
| UCSF Medical Group Business Services | Current | Accepting new patients |
Locations
400 Parnassus Ave
#300
San Francisco, CA 94143
Phone (415) 476-2163
1001 Potrero Ave
Rm 6D14
San Francisco, CA 94110
Phone (415) 206-5679
2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444
505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058
400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000
1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753
400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000
Interoperability endpoints
- mhutchison580549@direct.ochin.org
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1760552343
-
- Surgery Physician
- San Francisco, CA
- NPI 1477627537
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1477624104
-
- Pediatrics Physician
- San Francisco, CA
- NPI 1861578973
-
- Health Service Clinic/Center
- San Francisco, CA
- NPI 1194115246
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1164512851
-
- Community/Retail Pharmacy
- San Francisco, CA
- NPI 1659141711
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1151884800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1841220324",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 7464",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941207464",
"telephone_number": "415-206-3103",
"fax_number": "415-206-3872"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1001 POTRERO AVENUE",
"address_2": "RM 6D14",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941103518",
"telephone_number": "415-206-5679",
"fax_number": "415-206-3112"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HUTCHISON",
"first_name": "MARGARET",
"middle_name": "SIDNEY",
"credential": "CNM",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-07-03",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "363LX0001X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Obstetrics & Gynecology",
"state": "CA",
"license": "RN460322",
"primary": true
},
{
"code": "367A00000X",
"taxonomy_group": "",
"desc": "Advanced Practice Midwife",
"state": "CA",
"license": "NMW806",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "NMW008060",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in San Francisco, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.