Individual provider Active NPI

Greta Teresa Perez

  • Family Medicine Physician
  • Pleasant Hill, CA
National Provider Identifier
1306988423
Registry record updated Sep 8, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A55601 Issued in CA
Practice address
600 Ryan Dr Apt 16
Pleasant Hill, CA 94523-5168
Phone
(925) 825-7565
Fax
(925) 427-8304
NPI assigned
Feb 13, 2007
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 8, 2011

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A55601 CA Primary

Addresses

Primary practice location

600 Ryan Dr Apt 16
Pleasant Hill, CA 94523-5168

Mailing address

600 Ryan Dr Apt 16
Pleasant Hill, CA 94523-5168
Phone (925) 825-7565

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20251219001009 CA Practitioner - Family Practice 2365629433 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
John Muir Physician NetworkGroup PAC ID 6608789813, 488 clinicians

Practice addresses (Care Compare)

1450 Treat Blvd
Suite 160
Walnut Creek, CA 94597-2168
Phone (925) 296-9000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
John Muir Physician Network CurrentSince Dec 8, 2025 Accepting new patients

Locations

2400 Balfour Rd
Ste 120
Brentwood, CA 94513
Phone (925) 308-8112

2700 Grant St
Ste 110
Concord, CA 94520
Phone (925) 674-2500

1450 Treat Blvd
Ste 160
Walnut Creek, CA 94597
Phone (925) 296-9000

Organizations & group practices 1

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1171324800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1315440000000",
    "number": "1306988423",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 RYAN DR APT 16",
            "city": "PLEASANT HILL",
            "state": "CA",
            "postal_code": "945235168",
            "telephone_number": "925-825-7565",
            "fax_number": "925-427-8304"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 RYAN DR APT 16",
            "city": "PLEASANT HILL",
            "state": "CA",
            "postal_code": "945235168",
            "telephone_number": "925-825-7565",
            "fax_number": "925-427-8304"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PEREZ",
        "first_name": "GRETA",
        "middle_name": "TERESA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-02-13",
        "last_updated": "2011-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A55601",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Pleasant Hill, CA

Sources for this page

Verify at the official NPI Registry.