Rita Rosicker, M.D.
Family Medicine Physician · Dublin, CA
Rita Rosicker, M.D. is a family medicine physician with a practice address in Dublin, California, and NPI 1487971966, issued on Apr 23, 2010. Check the license (California A123833, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rita Rosicker
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A123833 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4050 Dublin Blvd, Dublin, CA 94568
- Phone
- (925) 875-6100
- Enumerated
- Apr 23, 2010
- Record last updated
- May 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140507001208); accepts Medicare assignment
- 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 4050 Dublin Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carla Antypas, DOFamily Medicine Physician1063096113
Verify Rita Rosicker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123833Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average family medicine physician in 2024
1,307 Medicare Part D claims for 145 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Atorvastatin Calcium88 claims
- Amlodipine Besylate63 claims
- Losartan Potassium54 claims
- Rosuvastatin Calcium47 claims
- Gabapentin45 claims
- Omeprazole40 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rita Rosicker among 17,133 family medicine physician records in California
Rita Rosicker, M.D. 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 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2002 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 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).
19 family medicine physician records list a practice address in Dublin
They are 19 of the 2,148 NPPES records with a practice address in Dublin, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Dublin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- George Besser, D.O.Dublin, CA 945681962581454
- William DavisDublin, CA 945681043360860
- David Duncan, D.O.Dublin, CA 945681710967922
- Brea Fisher, MDDublin, CA 945681851570360
- Palliyath Neethi Gangadharan, MDDublin, CA 945681588812978
- Veena Jayaram-Chou, D.O.Dublin, CA 945681659320463
- Edmund Kemprud, M.D.Dublin, CA 945681659421469
- Jessica Kemprud, FN.P.Dublin, CA 945681225170244
Common questions
What is Rita Rosicker, M.D.'s NPI number?
Rita Rosicker, M.D.'s National Provider Identifier (NPI) is 1487971966, issued on Apr 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rita Rosicker, M.D. located?
The NPPES record lists a practice address at 4050 Dublin Blvd, Dublin, CA, 94568. Phone: (925) 875-6100. Providers update this record themselves, so call before visiting.
How can I verify Rita Rosicker, M.D.'s license?
NPPES lists California license number A123833, 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 Rita Rosicker, M.D. prescribe under Medicare Part D?
In 2024, Rita Rosicker, M.D. had 1,307 Medicare Part D claims for 145 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.