Ajay Pal Singh, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

A118490 Issued in CA

Practice address

1590 Drew Ave Ste 200
Davis, CA 95618-7848

Phone

(530) 297-7500

Fax

(530) 297-7751

NPI assigned

Jul 31, 2008

Sex

Male

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

Psychiatry

Education

Other, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mark David Levine MD Professional CorporationGroup PAC ID 0143478305, 165 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Mark David Levine M.D. Professional Corporation

  dba Mindpath Health

  • Psychiatry Physician
  • Sacramento, CA
  • NPI 1154697944
  Medicare reassignment Care Compare group NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299

  Psychiatry

  Medicare reassignment NPD
• Ajay Pal Singh MD Medical Inc

  • Psychiatry Physician
  • Davis, CA
  • NPI 1548192909
  NPD Authorized official
• Mark David Levine, M.D. Professional Corporation

  dba Community Psychiatry Associates

  • Psychiatry Physician
  • Sacramento, CA
  • NPI 1356604730
  NPD
• Mark David Levine, MD Burlingame PC

  dba Community Psychiatry Associates

  • Psychiatry Physician
  • San Mateo, CA
  • NPI 1770709263
  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• Mark David Levinem MD Sunnyvale PC

  dba Community Psychaitry Associates

  • Psychiatry Physician
  • Sunnyvale, CA
  • NPI 1538385943
  NPD (past)
• Lima Memorial Joint Operating Company

  dba Lima Memorial Health System

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)

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

{
    "created_epoch": "1217462400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782864000000",
    "number": "1689830408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3835 N FREEWAY BLVD STE 100",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958341954",
            "telephone_number": "916-576-7900",
            "fax_number": "916-285-0338"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1590 DREW AVE STE 200",
            "city": "DAVIS",
            "state": "CA",
            "postal_code": "956187848",
            "telephone_number": "530-297-7500",
            "fax_number": "530-297-7751"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SINGH",
        "first_name": "AJAY PAL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-07-31",
        "last_updated": "2026-07-01",
        "certification_date": "2026-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "CA",
            "license": "A118490",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "A118490",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lyle Andrew Silverthorn, PT
• Diane Cohn Simon, MFT
• Shani W Simon, LCSW
• Jennifer Sindel
• Kaitlyn Christine Gioia Singer
• Anpreet Kaur Singh, M.D.
• Susan Six, RN
• Blanche C Skubic, CNM
• Sky House Supportive Living, LLC
• Karen Frances Slabaugh

• Psychiatry Physician in Davis, CA
• Providers in Davis, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 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.