Gregory Reynolds, MD
NPI 1790158848 · Family Medicine Physician · Grass Valley, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Reynolds, MD is a Family Medicine Physician provider in Grass Valley, CA (NPI 1790158848).
Provider details
- NPI number
- 1790158848
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A164998 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
91 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Hemoglobin A1c Level, By Device for Home Use83037 | 59 | $0 |
| Urinalysis, Manual Test81002 | 32 | $3 |
Typical Medicare-allowed amounts for these services range $0–$3 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 222 | 75 |
| Lisinopril | 128 | 41 |
| Amlodipine Besylate | 126 | 40 |
| Gabapentin | 117 | 35 |
| Metformin Hcl | 114 | 37 |
| Levothyroxine Sodium | 104 | 29 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$808 across 34 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-11-10
- Last updated
- 2025-12-30
- Certified
- 2025-12-30
Frequently asked questions
- What is Gregory Reynolds's NPI number?
- Gregory Reynolds's National Provider Identifier (NPI) is 1790158848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Reynolds's specialty?
- Gregory Reynolds is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Reynolds located?
- Gregory Reynolds's practice location on file with NPPES is 280 Sierra College Dr Ste 120, Grass Valley, CA 95945-5763.
- What is Gregory Reynolds's phone number?
- The practice phone number listed in the NPPES registry for Gregory Reynolds is (530) 477-4480.
- Does Gregory Reynolds accept Medicare?
- Gregory Reynolds is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Reynolds's NPI active?
- Yes — Gregory Reynolds's NPI (1790158848) is active in the NPPES registry as of the last update on 2025-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.