Organization Active NPI

Ceres Physicians Oregon PC

Doing business as Spring Fertility

  • Reproductive Endocrinology Physician
  • Portland, OR
National Provider Identifier
1295466860
Registry record updated Apr 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Reproductive Endocrinology PhysicianTaxonomy code 207VE0102X
Legal business name
CERES PHYSICIANS OREGON PC
Doing business as
Spring Fertility
Practice address
2055 NW Savier St Ste 150
Portland, OR 97209-1325
Phone
(971) 429-6000
Fax
(415) 964-5619
NPI assigned
Jun 23, 2022
Last updated
Apr 30, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 30, 2025

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

Authorized official

Name
Peter C Klatsky, MDNPI 1134255052
Title
Owner
Phone
(415) 964-5618

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Reproductive Endocrinology Physician 207VE0102X NU Primary

Addresses

Primary practice location

2055 NW Savier St Ste 150
Portland, OR 97209-1325

Mailing address

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

Other names 1

  • Spring Fertility Doing business as

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
38D2294224Spring Fertility Portland2055 NW Savier Street, Suite 150, Portland, OR 97209AccreditationJul 15, 2027

National Provider Directory

National Provider Directory

Locations

2055 NW Savier St
Ste 150
Portland, OR 97209
Phone (971) 429-6000

Practitioners & affiliated clinicians

Practitioners 10

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1655942400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1745971200000",
    "number": "1295466860",
    "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": "2055 NW SAVIER ST STE 150",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972091325",
            "telephone_number": "971-429-6000",
            "fax_number": "415-964-5619"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CERES PHYSICIANS OREGON PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2022-06-23",
        "last_updated": "2025-04-30",
        "certification_date": "2025-04-30",
        "status": "A",
        "authorized_official_last_name": "KLATSKY",
        "authorized_official_first_name": "PETER",
        "authorized_official_middle_name": "C",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "415-964-5618",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Spring Fertility",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Portland, OR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.