Maria Gregory

Primary specialty

School PsychologistTaxonomy code 103TS0200X

License

3770 Issued in CA

Practice address

2910 Camino Diablo Ste 210
Walnut Creek, CA 94597-3953

Phone

(925) 301-5591

NPI assigned

Sep 4, 2012

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Lincoln

  • Community/Behavioral Health Agency
  • Pittsburg, CA
  • NPI 1164826368
  NPD (past)
• Lincoln

  • Community/Behavioral Health Agency
  • Pittsburg, CA
  • NPI 1720110786
  NPD (past)
• Academic, Behavioral, and Cognitive Testing Services LLC

  • Psychologist
  • Miami, FL
  • NPI 1427503507

  School

  NPD (past)

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

{
    "created_epoch": "1346716800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763683200000",
    "number": "1487903613",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2910 CAMINO DIABLO STE 210",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945973953",
            "telephone_number": "925-301-5591"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2910 CAMINO DIABLO STE 210",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945973953",
            "telephone_number": "925-301-5591"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4812 SW 74th Ct Ste 3",
            "address_purpose": "LOCATION",
            "city": "Miami",
            "state": "FL",
            "postal_code": "331554448",
            "country_code": "US",
            "telephone_number": "786-529-8378",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREGORY",
        "first_name": "MARIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-09-04",
        "last_updated": "2025-11-21",
        "certification_date": "2025-11-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TS0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, School",
            "state": "CA",
            "license": "3770",
            "primary": true
        },
        {
            "code": "103TS0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, School",
            "state": "FL",
            "license": "1843",
            "primary": false
        },
        {
            "code": "103TC1900X",
            "taxonomy_group": "",
            "desc": "Psychologist, Counseling",
            "state": "CA",
            "license": "3770",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tatiana Greer
• Alicia M Grefenson, PSYD, LP
• Kenneth D Gregg, LCSW
• Shelby Ann Gregg
• Aileen I. Gregorio, PHARM.D.
• Cynthia Robin Greif-Neill, LMFT
• William M. Greif, MD
• Kimberly Nicole Grelli, MD
• Raveen Grewal
• Grey Pine Holdings, LLC

• School Psychologist in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• School Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.