Rebecca Flanagan, D.O.
Hospitalist Physician · Modesto, CA
Rebecca Flanagan, D.O. is a hospitalist physician with a practice address in Modesto, California, and NPI 1326482357, issued on Apr 21, 2013. Check the license (California 20A13864, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rebecca Flanagan
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A13864 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4601 Dale RD, Modesto, CA 95356
- Phone
- (209) 401-5279
- Enumerated
- Apr 21, 2013
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161101000278); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 4601 Dale RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zaid Alazawi, DOStudent in an Organized Health Care Education/Training Program1295583102
- Brandi AlbrittonCertified Respiratory Therapist1326503541
- Hilda Alcala, MDAnesthesiology Physician1467644427
Verify Rebecca Flanagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average hospitalist physician in 2024
380 Medicare Part D claims for 146 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Furosemide28 claims
- Pantoprazole Sodium16 claims
- Amoxicillin-Clavulanate Potass15 claims
- Losartan Potassium15 claims
- Lisinopril13 claims
- Metoprolol Tartrate13 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
- Permanente Medical Group IncModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Flanagan among 3,099 hospitalist physician records in California
Rebecca Flanagan, D.O. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 56% of them.
- NPI issued2013 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2013 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Modesto → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Seth Ackuayi, MDModesto, CA 953561154409985
- Charanjit Bains, MDModesto, CA 953561881772465
- Rosamani D'Souza, MDModesto, CA 953561285712893
- Jayanthi IduryModesto, CA 953561609012285
- Nahrin Khoshaba, MDModesto, CA 953561164500054
- Kulwant Monder, MDModesto, CA 953561306924808
- Mie Soe, M.D.Modesto, CA 953561942649348
- Lili Yan, MDModesto, CA 953561417035320
Common questions
What is Rebecca Flanagan, D.O.'s NPI number?
Rebecca Flanagan, D.O.'s National Provider Identifier (NPI) is 1326482357, issued on Apr 21, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Flanagan, D.O. located?
The NPPES record lists a practice address at 4601 Dale RD, Modesto, CA, 95356. Phone: (209) 401-5279. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Flanagan, D.O.'s license?
NPPES lists California license number 20A13864, 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 Rebecca Flanagan, D.O. prescribe under Medicare Part D?
In 2024, Rebecca Flanagan, D.O. had 380 Medicare Part D claims for 146 beneficiaries; the average among hospitalist physician prescribers was 521. 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.