Richa S Singh, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

A209814 Issued in CA

Practice address

26800 Crown Valley Pkwy Ste 385
Mission Viejo, CA 92691-7320

Phone

(949) 542-8002

NPI assigned

Apr 16, 2020

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 NC, FL2 enrollments

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 2

Specialty

Neurology

Education

Other, 2019

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Mission Hospital Hospital, Mission Viejo, CA, CCN 050567
• Unc Hospitals Hospital, Chapel Hill, NC, CCN 340061

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rsingh1191572@direct.unc.nchie.net

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.

• University of North Carolina at Chapel Hill

  dba UNC Faculty Physicians

  • Anesthesiology Physician
  • Chapel Hill, NC
  • NPI 1780669200
  Medicare reassignment NPD

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

• Mission Hospital Regional Medical Center

  dba Providence Mission Hospital

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1912108002
  Care Compare affiliation
• Mission Hospital Regional Medical Center

  dba Mission Hospital

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1992752315
  Care Compare affiliation
• University of North Carolina Hospitals at Chapel Hill

  dba UNC Hospitals

  • General Acute Care Hospital
  • Chapel Hill, NC
  • NPI 1932208576
  Care Compare affiliation

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

{
    "created_epoch": "1586995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1902426265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26800 CROWN VALLEY PKWY STE 385",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926917320",
            "telephone_number": "949-542-8002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "26800 CROWN VALLEY PKWY STE 385",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926917320",
            "telephone_number": "949-542-8002"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SINGH",
        "first_name": "RICHA",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-16",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "A209814",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "FL",
            "license": "ME178504",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melissa Simon, LVN
• Robert E Simon, M.D.
• Stephen M Simon, MD
• Simone Zeschuk Marriage and Family Therapy Inc
• Dustin Everett Singer, MD
• Ruchi Modi Singh, DO
• Simranjit Kaur Singh, MD
• Veronica Sinor
• Deborah (Debbie) Sirkin, MFT
• Stephanie Mignon Sisneros, PA-C

• Neurology Physician in Mission Viejo, CA
• Providers in Mission Viejo, CA by specialty
• Neurology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.