Pei Lily Mulroy, D.O.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

20A13031 Issued in CA

Practice address

101 The City Dr S
Orange, CA 92868-3201

Phone

(714) 456-8888

NPI assigned

Nov 19, 2013

Last updated

May 11, 2026By the provider in NPPES

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

HospitalistAlso: Family Practice

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Regents of the University of California-IrvineGroup PAC ID 3971609611, 116 clinicians

Prohealth Partners, a Medical GroupGroup PAC ID 2769388412, 236 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Charity Home Health Services Home health agency, Torrance, CA, CCN 557799
• Prime Nursing Services Home health agency, Los Angeles, CA, CCN 057497
• Vitas Healthcare Corporation of California Hospice, San Diego, CA, CCN 051597
• Uci Health-Orange Hospital, Orange, CA, CCN 050348
• Memorialcare Long Beach Medical Center Hospital, Long Beach, CA, CCN 050485
• Uci Health-Lakewood Hospital, Lakewood, CA, CCN 050581

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: pmulroy855922@direct.memorialcare.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Prohealth Partners, a Medical Group

  • Internal Medicine Physician
  • Lakewood, CA
  • NPI 1003949975

  Hospitalist

  Medicare reassignment Care Compare group NPD
• The Regents of the University of California-Irvine

  dba UC Irvine Hospitalist Program

  • Hospitalist Physician
  • Orange, CA
  • NPI 1154479723
  Medicare reassignment Care Compare group
• Pioneer Medical Group Inc.

  • Multi-Specialty Clinic/Center
  • Bellflower, CA
  • NPI 1548303589
  Medicare reassignment NPD
• The Hospitalist Group, LLC

  • Family Medicine Physician
  • Long Beach, CA
  • NPI 1972152072
  NPD Authorized official
• Prohealth Partners a Medical Group Inc

  • Hospitalist Physician
  • Los Alamitos, CA
  • NPI 1508004086
  NPD
• Prohealth Partners, a Medical Group, Inc.

  • Internal Medicine Physician
  • Pico Rivera, CA
  • NPI 1912899394
  NPD
• Los Alamitos Medical Center, Inc.

  dba Los Alamitos Medical Center

  • Psychiatric Hospital Unit
  • Los Alamitos, CA
  • NPI 1497780084
  NPD (past)
• Prohealth Partners, a Medical Group, Inc.

  • Internal Medicine Physician
  • Long Beach, CA
  • NPI 1639126279
  NPD (past)

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

• Charity Home Health Services

  • Home Health Agency
  • Carson, CA
  • NPI 1861503161
  Care Compare affiliation
• Long Beach Memorial Medical

  • General Acute Care Hospital
  • Long Beach, CA
  • NPI 1962442012
  Care Compare affiliation
• TLC Skilled Health Care Providers, Inc.

  dba Prime Nursing Services Inc

  • Home Health Agency
  • Los Angeles, CA
  • NPI 1962409813
  Care Compare affiliation
• University of California Irvine

  dba UCI Health Lakewood

  • General Acute Care Hospital
  • Lakewood, CA
  • NPI 1184655581
  Care Compare affiliation
• University of California Irvine

  dba University of California Irvine - Cac Urgent Care

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  dba Uci Health

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation
• Vitas Healthcare Corporation of California

  • Community Based Hospice Care Agency
  • Irvine, CA
  • NPI 1295878304
  Care Compare affiliation
• Vitas Healthcare Corporation of California

  • Community Based Hospice Care Agency
  • San Diego, CA
  • NPI 1801939939
  Care Compare affiliation

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

{
    "created_epoch": "1384819200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1568892115",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-8888"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-8888"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3751 Katella Ave",
            "address_purpose": "LOCATION",
            "city": "Los Alamitos",
            "state": "CA",
            "postal_code": "907203113",
            "country_code": "US",
            "telephone_number": "562-246-6822",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MULROY",
        "first_name": "PEI",
        "middle_name": "LILY",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-11-19",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A13031",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "20A13031",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kelly Lauren Muller, MD
• Vikram Muller, MD
• Elizabeth M. Mullins
• Gage Austin Mulqueen
• Patrick Jason Mulroy, D.O.
• Rhea M Mulvina, NP-C
• Darlene Mulyanto-Mong
• Madhavi Mummaneni, MD
• Rubaina Mumtaz, C.HT
• Yovanna Mundo

• Hospitalist Physician in Orange, CA
• Providers in Orange, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 11, 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.