Gregory Neill Sacher, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

A68058 Issued in CA

Practice address

500 Doyle Park Dr
Suite 200
Santa Rosa, CA 95405-4558

Phone

(707) 303-1719

Fax

(707) 387-3696

NPI assigned

Nov 2, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA, OR, SD3 enrollments

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 3

Specialty

Obstetrics/Gynecology

Education

Georgetown University School of Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Obhg California PCGroup PAC ID 8729276795, 94 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 27)

Interoperability endpoints

• Direct secure messaging: gsacher235366@hisp.ehr.sutterhealth.org

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.

• Obhg California, P.C.

  • Obstetrics & Gynecology Physician
  • Greenville, SC
  • NPI 1215258892

  CA

  Medicare reassignment Care Compare group NPD
• Confermed of California PC

  • Internal Medicine Physician
  • Irvine, CA
  • NPI 1316584709
  Medicare reassignment NPD
• Obhg Oregon PC

  • Obstetrics & Gynecology Physician
  • Greenville, SC
  • NPI 1528585148

  OR

  Medicare reassignment NPD
• Obhg South Dakota PC

  • Obstetrics & Gynecology Physician
  • Rapid City, SD
  • NPI 1164110243
  Medicare reassignment NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  Medicare reassignment
• Providence Medical Foundation

  • General Practice Physician
  • Diamond Bar, CA
  • NPI 1285890624
  NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Anaheim, CA
  • NPI 1639715709
  NPD
• Providence Medical Foundation

  • Internal Medicine Physician
  • Santa Rosa, CA
  • NPI 1740584473
  NPD
• Sutter Valley Medical Foundation

  • Multi-Specialty Clinic/Center
  • Modesto, CA
  • NPI 1669846986
  NPD
• Sutter Valley Medical Foundation

  • Durable Medical Equipment & Medical Supplies
  • Tracy, CA
  • NPI 1720930712
  NPD
• Confermed PC

  • Internal Medicine Physician
  • Middletown, CT
  • NPI 1376190850
  NPD (past)
• Monument Health Rapid City Hospital, Inc.

  • General Acute Care Hospital
  • Rapid City, SD
  • NPI 1437122009
  NPD (past)

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

{
    "created_epoch": "1162425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742342400000",
    "number": "1972682011",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 DOYLE PARK DR",
            "address_2": "SUITE 200",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954054558",
            "telephone_number": "707-303-1719",
            "fax_number": "707-387-3696"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 DOYLE PARK DR",
            "address_2": "SUITE 200",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954054558",
            "telephone_number": "707-303-1719",
            "fax_number": "707-387-3696"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "353 Fairmont Blvd",
            "address_purpose": "LOCATION",
            "city": "Rapid City",
            "state": "SD",
            "postal_code": "577017375",
            "country_code": "US",
            "telephone_number": "864-908-3530",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SACHER",
        "first_name": "GREGORY",
        "middle_name": "NEILL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-02",
        "last_updated": "2025-03-19",
        "certification_date": "2025-03-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "SD",
            "license": "16766",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A68058",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1972682011",
            "state": "SD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A680580",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gsacher1658234@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "500 Doyle Park Dr",
            "address_2": "Suite 200",
            "city": "Santa Rosa",
            "state": "CA",
            "country_code": "US",
            "postal_code": "954054558",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Samantha Ryan
• Shannon Ryan, LMFT
• Stevie Rybacki
• Maria Theresa Saavedra, SLP
• Jasdeep Singh Sabharwal, MD
• Aynna Y. Sae, MD
• Saeidi DDS Inc
• Mohammad Reza Saeidi, DDS
• Safeway Inc
• Safeway Inc

• Obstetrics & Gynecology Physician in Santa Rosa, CA
• Providers in Santa Rosa, CA by specialty
• Obstetrics & Gynecology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.