Doctor profile · Federal record

Dr. Gregory Davis, M.D.

Gynecology Physician (CMS: Obstetrics/Gynecology) · Chico, CA

  • NPI 1497752877
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1040 Mangrove Ave
Chico, CA 959263509
(530) 345-0064

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
January 18, 2019
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207VG0400X — NUCC code
State license (1)
California #G73638
Medicaid
CA #00G736380

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497752877. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$172
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 1 $113.64
Smith+Nephew, INC. 1 $30.99
Pfizer INC. 1 $26.99

By nature of payment

Food and Beverage
$172

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
115
Patients
13
Total drug cost
$5,255
Drug Type Claims Patients Total cost
Estradiol Generic 40 13 $1,699
Estradiol (Twice Weekly) (Estradiol) Brand 21 0 $1,966
Progesterone (Progesterone, Micronized) Brand 17 0 $266
Fluocinonide Generic 13 0 $739
Terconazole Generic 13 0 $363
Levothyroxine Sodium Generic 11 0 $223

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Davis's medical specialty?
Dr. Gregory Davis practices Gynecology Physician in Chico, CA.
Where does Dr. Gregory Davis practice?
Dr. Gregory Davis practices at 1040 Mangrove Ave, Chico, CA 959263509. Office phone: 5303450064.
What is Dr. Gregory Davis's NPI?
Dr. Gregory Davis's National Provider Identifier (NPI) is 1497752877, issued by NPPES.
Does Dr. Gregory Davis accept Medicare assignment?
Yes. Dr. Gregory Davis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated Jul 19, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›