Individual provider Active NPI

Ryszard Jerzy Chetkowski, M.D.

  • Reproductive Endocrinology Physician
  • Berkeley, CA
National Provider Identifier
1992883011
Registry record updated Jul 8, 2007
On this page

OIG exclusion record

The HHS Office of Inspector General’s List of Excluded Individuals/Entities (LEIE) contains a record with this NPI:

  • Section 1128b(4) exclusion effective Jun 19, 2025.

Matched on NPI only. Confirm current status with the OIG exclusions search before relying on it.

Key facts

NPPES NPI Registry
Primary specialty
Reproductive Endocrinology PhysicianTaxonomy code 207VE0102X
License
G47258 Issued in CA
Practice address
2999 Regent St Ste 101-a
Berkeley, CA 94705-2116
Phone
(510) 649-0440
Fax
(510) 649-8700
NPI assigned
Nov 2, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Reproductive Endocrinology Physician 207VE0102X G47258 CA Primary

Addresses

Primary practice location

2999 Regent St Ste 101-a
Berkeley, CA 94705-2116

Mailing address

2999 Regent St Ste 101-a
Berkeley, CA 94705-2116
Phone (510) 649-0440

Other names 1

  • Dr. Richard Jerzy Chetkowski Professional name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G47258CAMDReproductive Endocrinology Physician

NPI Registry JSON

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

{
    "created_epoch": "1162425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1992883011",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2999 REGENT ST STE 101-A",
            "city": "BERKELEY",
            "state": "CA",
            "postal_code": "947052116",
            "telephone_number": "510-649-0440",
            "fax_number": "510-649-8700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2999 REGENT ST STE 101-A",
            "city": "BERKELEY",
            "state": "CA",
            "postal_code": "947052116",
            "telephone_number": "510-649-0440",
            "fax_number": "510-649-8700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHETKOWSKI",
        "first_name": "RYSZARD",
        "middle_name": "JERZY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-11-02",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": "CA",
            "license": "G47258",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "RICHARD",
            "last_name": "CHETKOWSKI",
            "middle_name": "JERZY",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Berkeley, CA

Sources for this page

Verify at the official NPI Registry.