Hannah Celene Reiser, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

A171880 Issued in CA

Practice address

2001 Santa Monica Blvd Ste 380
Santa Monica, CA 90404-2179

Phone

(310) 899-7500

NPI assigned

May 18, 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 CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Obstetrics/Gynecology

Education

Loyola University of Chicago, Stritch School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Regents of the University of CaliforniaGroup PAC ID 0143124289, 53 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Santa Monica - UCLA Med Ctr & Orthopaedic Hospital Hospital, Santa Monica, CA, CCN 050112
• Ronald Reagan UCLA Medical Center Hospital, Los Angeles, CA, CCN 050262

Merit-based Incentive Payment System (MIPS)

Final score

84.28 of 100Reported as group

Quality

76.27

Promoting interoperability

100

Improvement activities

40

Cost

68.45

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: hreiser906728@direct.uclahealth.org
• Direct secure messaging: hanna.reisermd.p1@direct.plannedparenthoodla.nextgenshare.com

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.

• The Regents of the University of California

  • Obstetrics & Gynecology Physician
  • Los Angeles, CA
  • NPI 1073582888
  Medicare reassignment Care Compare group NPD
• Regents Univ of Calif Los Angeles

  • Psychiatric Hospital
  • Los Angeles, CA
  • NPI 1952308363
  NPD (past)
• The Regents of the University of California

  • General Acute Care Hospital
  • Santa Monica, CA
  • NPI 1982849105
  NPD (past)
• UCLA Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1043427248
  NPD (past)
• Planned Parenthood of Greater New York Inc

  • Ambulatory Family Planning Facility
  • Brooklyn, NY
  • NPI 1417959701
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Regents of the Univ of California

  • General Acute Care Hospital
  • Santa Monica, CA
  • NPI 1427055839
  Care Compare affiliation
• Regents Univ of Calif Los Angeles

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1902803315
  Care Compare affiliation

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

{
    "created_epoch": "1495065600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1548797749",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2001 SANTA MONICA BLVD STE 380",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904042179",
            "telephone_number": "310-899-7500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "757 Westwood Plz",
            "address_2": "OBGYN",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900957419",
            "country_code": "US",
            "telephone_number": "310-825-9378",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Ucla Medical Plz Ste 430",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900951447",
            "country_code": "US",
            "telephone_number": "310-794-7274",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "221 Westwood Plz",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900951447",
            "country_code": "US",
            "telephone_number": "310-825-4073",
            "fax_number": "310-983-1172",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "REISER",
        "first_name": "HANNAH",
        "middle_name": "CELENE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-05-18",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A171880",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IL",
            "license": "125070378",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Obstetrics & Gynecology Physician in Santa Monica, CA
• Providers in Santa Monica, CA by specialty
• Obstetrics & Gynecology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 16, 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.