Shirley Weng-Ying Ma, CNM, WHNP

Primary specialty

Advanced Practice MidwifeTaxonomy code 367A00000X

License

202114075NP-PP Issued in OR

Practice address

10566 SE Washington St
Portland, OR 97216-2809

Phone

(503) 734-3800

Fax

(503) 734-3808

NPI assigned

Oct 7, 2021

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in OR

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 1

Specialty

Certified Nurse Midwife (CNM)

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Womens Healthcare Associates LLCGroup PAC ID 8527054014, 103 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Midwife

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sma817966@direct.lhs.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.

• Women'S Healthcare Associates, LLC

  • Specialist
  • Portland, OR
  • NPI 1346296142
  Medicare reassignment Care Compare group NPD
• Northwest Urology, LLC

  • Specialist
  • Portland, OR
  • NPI 1629461397
  NPD (past)
• Women'S Healthcare Associates, LLC

  • Rural Health Clinic/Center
  • Newberg, OR
  • NPI 1922987460
  NPD (past)

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

{
    "created_epoch": "1633564800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769731200000",
    "number": "1851053789",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7650 SW BEVELAND RD STE 200",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972238692",
            "telephone_number": "503-601-3615",
            "fax_number": "503-646-1683"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10566 SE WASHINGTON ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972162809",
            "telephone_number": "503-734-3800",
            "fax_number": "503-734-3808"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MA",
        "first_name": "SHIRLEY",
        "middle_name": "WENG-YING",
        "credential": "CNM, WHNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-10-07",
        "last_updated": "2026-01-30",
        "certification_date": "2026-01-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LW0102X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "OR",
            "license": "202114075NP-PP",
            "primary": false
        },
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "OR",
            "license": "202114075NP-PP",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500802727",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julie Anna Ma
• Jun Ma, ACNP
• Kelly Ma, MD, MPH
• Kelly Ma, OTR/L
• Oscar John Ma, MD
• Yiran Ma
• Sarah C Maag, LMT
• Abigail Rose Maak
• Maansi Family Health Center
• Linda Noreen Maas-Drake, LAC, LMT, LLC

• Advanced Practice Midwife in Portland, OR
• Providers in Portland, OR by specialty
• Advanced Practice Midwife in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 30, 2026; 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.