Matthew Eagan Rosenberg, MD
Family Medicine Physician · Winters, CA
Matthew Eagan Rosenberg, MD is a family medicine physician with a practice address in Winters, California, and NPI 1346270402, issued on Jul 4, 2006. Check the license (California A80726, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Eagan Rosenberg
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A80726 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23 Main St, Winters, CA 95694
- Phone
- (530) 795-4377
- Enumerated
- Jul 4, 2006
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20050627001272); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 23 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roxanne Delfino, RNRegistered Nurse1427334796
- Jaime Lopez, P.A.Physician Assistant1922183532
- Jesus Luna, PH.D.Clinical Psychologist1215196217
- Holly Moen, CNMAdvanced Practice Midwife1306994769
- Roxanne Snyder, APRN BC FNPFamily Nurse Practitioner1366557944
Verify Matthew Eagan Rosenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A80726Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average family medicine physician in 2024
4,530 Medicare Part D claims for 403 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 195 claims were for opioids.
Most prescribed
- Atorvastatin Calcium340 claims
- Lisinopril205 claims
- Levothyroxine Sodium189 claims
- Amlodipine Besylate161 claims
- Fluticasone Propionate118 claims
- Losartan Potassium111 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: $20.09
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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 one group practice
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Eagan Rosenberg among 17,133 family medicine physician records in California
Matthew Eagan Rosenberg, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2001 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 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).
5 family medicine physician records list a practice address in Winters
They are 5 of the 59 NPPES records with a practice address in Winters, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Winters → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Davis, M.D.Winters, CA 956941336145689
- Irena Grauzinis, DOWinters, CA 956941487303210
- Carly Grovhoug, MDWinters, CA 956941003172859
- Carla Kakutani, M.D.Winters, CA 956941548355712
- Stacy Berrong, DOWoodland, CA 956951760407787
- John Bringhurst, M.D.Woodland, CA 956951992724017
- Romie Holland, M.D.Woodland, CA 956951659390003
- Saba Hussain, MDWoodland, CA 956951922035963
Common questions
What is Matthew Eagan Rosenberg, MD's NPI number?
Matthew Eagan Rosenberg, MD's National Provider Identifier (NPI) is 1346270402, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Eagan Rosenberg, MD located?
The NPPES record lists a practice address at 23 Main St, Winters, CA, 95694. Phone: (530) 795-4377. Providers update this record themselves, so call before visiting.
How can I verify Matthew Eagan Rosenberg, MD's license?
NPPES lists California license number A80726, 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 Matthew Eagan Rosenberg, MD prescribe under Medicare Part D?
In 2024, Matthew Eagan Rosenberg, MD had 4,530 Medicare Part D claims for 403 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.