Gregory Arno Reynolds, MD
Family Medicine Physician · Grass Valley, CA
Gregory Arno Reynolds, MD is a family medicine physician with a practice address in Grass Valley, California, and NPI 1790158848, issued on Nov 10, 2015. Check the license (California A164998, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Arno Reynolds
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A164998 CA
Self-reported in NPPES; status is on the state search - Practice location
- 280 Sierra College Dr Ste 120, Grass Valley, CA 95945
- Phone
- (530) 477-4480
- Enumerated
- Nov 10, 2015
- Record last updated
- Dec 30, 2025
- Fax
- (530) 274-7532
- Medicare enrollment
- Enrolled (PECOS I20210520002424); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 280 Sierra College Dr Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Arno Reynolds in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average family medicine physician in 2024
3,505 Medicare Part D claims for 240 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium222 claims
- Lisinopril128 claims
- Amlodipine Besylate126 claims
- Gabapentin117 claims
- Metformin Hcl114 claims
- Levothyroxine Sodium104 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $807.91
34 payments; by number, the most common kind was food and beverage; the largest payer was ALK-Abello, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Ampla HealthOroville, CA
- Dignity Health Medical FoundationGrass Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Arno Reynolds among 17,133 family medicine physician records in California
Gregory Arno Reynolds, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2018 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 family medicine physician records list a practice address in Grass Valley
They are 36 of the 1,540 NPPES records with a practice address in Grass Valley, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Grass Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Garrett Eckerling, M.D.Grass Valley, CA 959451215937388
- Jill Fitzpatrick, MDGrass Valley, CA 959451689640658
- Linda Foshagen, DOGrass Valley, CA 959451568420750
- Constance Gaulter, M.D.Grass Valley, CA 959451508881459
- John Jackson, MDGrass Valley, CA 959451487689840
- Byron Lake, M.D.Grass Valley, CA 959451891832242
- Frank Lang, M.D.Grass Valley, CA 959451417942939
- Veronica Minier, MDGrass Valley, CA 959451720050909
Common questions
What is Gregory Arno Reynolds, MD's NPI number?
Gregory Arno Reynolds, MD's National Provider Identifier (NPI) is 1790158848, issued on Nov 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Arno Reynolds, MD located?
The NPPES record lists a practice address at 280 Sierra College Dr Ste 120, Grass Valley, CA, 95945. Phone: (530) 477-4480. Providers update this record themselves, so call before visiting.
How can I verify Gregory Arno Reynolds, MD's license?
NPPES lists California license number A164998, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Arno Reynolds, MD prescribe under Medicare Part D?
In 2024, Gregory Arno Reynolds, MD had 3,505 Medicare Part D claims for 240 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.