Gregory Lynn Davis, M.D.
Gynecology Physician · Chico, CA
Gregory Lynn Davis, M.D. is a gynecology physician with a practice address in Chico, California, and NPI 1497752877, issued on Jun 30, 2005. Check the license (California G73638, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Lynn Davis
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- G73638 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1040 Mangrove Ave, Chico, CA 95926
- Phone
- (530) 345-0064
- Enumerated
- Jun 30, 2005
- Record last updated
- Jan 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 00G736380 CA
- Medicare enrollment
- Enrolled (PECOS I20240430001988); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1982
- Entity
- Type 1 · individual
Also registered at 1040 Mangrove Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Avilla, D.O.Family Medicine Physician1346687225
- Miranda Bedene, FNP-CFamily Nurse Practitioner1730033762
- Dewayne Caviness, MDGeneral Practice Physician1912938887
- Matthew Haselton, FNP-CPrimary Care Nurse Practitioner1558096453
- Kurt Johnson, M.D., INC.General Practice Physician1407881741
- Patria McKiernan, NPWomen's Health Nurse Practitioner1306277686
Verify Gregory Lynn Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
11% fewer Medicare Part D claims than the average gynecology physician in 2024
265 Medicare Part D claims for 46 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Estradiol50 claims
- Estradiol (Twice Weekly)48 claims
- Progesterone23 claims
- Fluocinonide16 claims
- Levothyroxine Sodium13 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: $171.62
3 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 1,398 providers of this specialty with any payment received $2,469.88 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 one group practice
- Effingham Hospital IncRincon, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gynecology Physician providers in California
There are 369 gynecology physician records in California.
Other gynecology physician records in California
- Keevan Abramson, MDFort Bragg, CA1851473177
- August Accetta, M.D.Bakersfield, CA1265506893
- Karen Adams, MDStanford, CA1922016484
- Robert Adams, MDMonterey, CA1316017601
- Christina Adberg, MDLos Angeles, CA1104837947
- Naphthali Alinsod, M.D.Laguna Beach, CA1326055096
- Parichehr Allameh, M.D.Sylmar, CA1053434563
- Margarita Alvarado, M.D.San Francisco, CA1417974858
- Michal Amir, M.D.Beverly Hills, CA1982790598
- Malaika Amneus, M.D.Sylmar, CA1538379706
Common questions
What is Gregory Lynn Davis, M.D.'s NPI number?
Gregory Lynn Davis, M.D.'s National Provider Identifier (NPI) is 1497752877, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Lynn Davis, M.D. located?
The NPPES record lists a practice address at 1040 Mangrove Ave, Chico, CA, 95926. Phone: (530) 345-0064. Providers update this record themselves, so call before visiting.
How can I verify Gregory Lynn Davis, M.D.'s license?
NPPES lists California license number G73638, 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 Lynn Davis, M.D. prescribe under Medicare Part D?
In 2024, Gregory Lynn Davis, M.D. had 265 Medicare Part D claims for 46 beneficiaries; the average among gynecology physician prescribers was 299. 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.