Margaret Ann Flesher, CNM

Primary specialty

Advanced Practice MidwifeTaxonomy code 367A00000X

License

236533 Issued in CA

Practice address

1855 4TH St FL 3
San Francisco, CA 94143-2350

Phone

(415) 353-2566

NPI assigned

Aug 25, 2017

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CO, CA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Certified Nurse Midwife (CNM)

Education

Other, 2018

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Midwife

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mflesher153576@direct.dhha.org
• Direct secure messaging: mflesher447357@direct-ucsfmedicalcenter.org

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.

• Regents of the University of California

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1760552343
  Medicare reassignment NPD
• UCSF Dept of Surgery

  • Surgery Physician
  • San Francisco, CA
  • NPI 1477627537
  Medicare reassignment NPD
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  Medicare reassignment NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment NPD
• Denver Health and Hospital Authority

  • General Practice Physician
  • Denver, CO
  • NPI 1477569838
  Medicare reassignment NPD
• UCSF Medical Group Business Services

  • Health Service Clinic/Center
  • San Francisco, CA
  • NPI 1194115246
  NPD
• University of California San Francisco

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD
• Denver Health and Hospital Authority

  • Psychiatric Hospital Unit
  • Denver, CO
  • NPI 1689624942
  NPD
• University of California San Francisco Medical Center

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1144325440
  NPD (past)
• Denver Health

  • General Acute Care Hospital
  • Denver, CO
  • NPI 1568741122
  NPD (past)
• Denver Health and Hospital Authority

  • General Acute Care Hospital
  • Denver, CO
  • NPI 1689624686
  NPD (past)
• Denver Health Medical Center

  • General Acute Care Hospital
  • Denver, CO
  • NPI 1336573070
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1503619200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754870400000",
    "number": "1316464720",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "777 BANNOCK ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802044597",
            "telephone_number": "303-436-4949",
            "fax_number": "303-602-9150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1855 4TH ST FL 3",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432350",
            "telephone_number": "415-353-2566"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "777 Bannock St",
            "address_purpose": "LOCATION",
            "city": "Denver",
            "state": "CO",
            "postal_code": "802044597",
            "country_code": "US",
            "telephone_number": "303-436-4949",
            "fax_number": "303-602-9150",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FLESHER",
        "first_name": "MARGARET",
        "middle_name": "ANN",
        "credential": "CNM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-08-25",
        "last_updated": "2025-08-11",
        "certification_date": "2025-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "CO",
            "license": "APN.0994033-CNM",
            "primary": false
        },
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "CA",
            "license": "236533",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nathaniel Hamilton Fleming, MD, MS
• Randall Fleming
• Sean Fleming
• Teresa M Fleming, M.A.
• Jennifer Flemming, MD, FRCPC
• Ace Fletcher, DC
• Courtney Price Fletcher, FNP-BC
• Debora A Fletcher, PH.D.
• Donald Calvin Fletcher, M.D.
• Geoffrey M Fletcher, MFT, PSYD

• Advanced Practice Midwife in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Advanced Practice Midwife in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.