Gregory Arno Reynolds, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A164998 Issued in CA

Practice address

280 Sierra College Dr Ste 120
Grass Valley, CA 95945-5763

Phone

(530) 477-4480

Fax

(530) 274-7532

NPI assigned

Nov 10, 2015

Last updated

Dec 30, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Family Practice

Education

University of California, Davis School of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Dignity Health Medical FoundationGroup PAC ID 7810800661, 1,211 clinicians

Ampla HealthGroup PAC ID 5092619270, 105 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sierra Nevada Memorial Hospital Hospital, Grass Valley, CA, CCN 050150
• Oroville Hospital Hospital, Oroville, CA, CCN 050030
• Adventist Health and Rideout Hospital, Marysville, CA, CCN 050133

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gregory.reynolds@ampla.eclinicaldirectplus.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Dignity Health Medical Foundation

  dba Mercy Medical Group, a service of Dignity Health Medical Foundation

  • Multi-Specialty Clinic/Center
  • Sacramento, CA
  • NPI 1700803418
  Medicare reassignment Care Compare group NPD
• Ampla Health

  • Federally Qualified Health Center (FQHC)
  • Oroville, CA
  • NPI 1952333635
  Care Compare group NPD
• Dignity Health Medical Foundation

  dba Dignity Health Medical Group - Sierra Nevada, a service of Dignity Hea

  • Multi-Specialty Clinic/Center
  • Grass Valley, CA
  • NPI 1043456106
  NPD
• Dignity Health Medical Foundation

  dba Dignity Health Medical Group - North State, a service of Dignity Healt

  • Multi-Specialty Clinic/Center
  • Redding, CA
  • NPI 1912288432
  NPD

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

• Oroville Hospital

  • General Acute Care Hospital
  • Oroville, CA
  • NPI 1871606269
  Care Compare affiliation
• Rideout Memorial Hospital

  dba Adventist Health and Rideout

  • General Acute Care Hospital
  • Marysville, CA
  • NPI 1720088354
  Care Compare affiliation
• Sierra Nevada Memorial-Miners Hospital

  dba Sierra Nevada Memorial Hospital

  • General Acute Care Hospital
  • Grass Valley, CA
  • NPI 1659361392
  Care Compare affiliation

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

{
    "created_epoch": "1447113600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1790158848",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3400 DATA DR",
            "city": "RANCHO CORDOVA",
            "state": "CA",
            "postal_code": "956707956"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "280 SIERRA COLLEGE DR STE 120",
            "city": "GRASS VALLEY",
            "state": "CA",
            "postal_code": "959455763",
            "telephone_number": "530-477-4480",
            "fax_number": "530-274-7532"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REYNOLDS",
        "first_name": "GREGORY",
        "middle_name": "ARNO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-11-10",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A164998",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Eliza Renwick, 394589
• Alfred Ressel, RPH
• Matthew B Reveis
• Heidi Rex
• Itzel Reyna
• Sherri Lynn Reynolds
• Felicia Julia Reynoso
• Charmaine Marie Rhine, PT
• Marcus Aaron Rhodenhill, L.AC., PA-C
• Michael Rice

• Family Medicine Physician in Grass Valley, CA
• Providers in Grass Valley, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 30, 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.