Organization Active NPI

Ceres Physicians Colorado PC

  • Reproductive Endocrinology Physician
  • Denver, CO
National Provider Identifier
1225909773
Registry record updated Sep 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Reproductive Endocrinology PhysicianTaxonomy code 207VE0102X
Legal business name
CERES PHYSICIANS COLORADO PC
Practice address
1900 Lawrence St
Denver, CO 80202-2946
Phone
(415) 964-5618
Fax
(415) 964-5619
NPI assigned
Sep 17, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 17, 2025

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

Authorized official

Name
Peter Charles Klatsky, MD
Title
Partner
Phone
(415) 964-5618

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Reproductive Endocrinology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207VE0102X Primary

Addresses

Primary practice location

1900 Lawrence St
Denver, CO 80202-2946

Mailing address

1 Daniel Burnham CT Ste 110C
San Francisco, CA 94109-0456
Phone (415) 964-5618

National Provider Directory

National Provider Directory

Locations

1900 Lawrence St
Denver, CO 80202
Phone (415) 964-5618

NPI Registry JSON

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

{
    "created_epoch": "1758067200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1758067200000",
    "number": "1225909773",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 DANIEL BURNHAM CT STE 110C",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941090456",
            "telephone_number": "415-964-5618",
            "fax_number": "415-964-5619"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1900 LAWRENCE ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802022946",
            "telephone_number": "415-964-5618",
            "fax_number": "415-964-5619"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CERES PHYSICIANS COLORADO PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-09-17",
        "last_updated": "2025-09-17",
        "certification_date": "2025-09-17",
        "status": "A",
        "authorized_official_last_name": "KLATSKY",
        "authorized_official_first_name": "PETER",
        "authorized_official_middle_name": "CHARLES",
        "authorized_official_title_or_position": "PARTNER",
        "authorized_official_telephone_number": "415-964-5618",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207VE0102X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 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.