Thoyaja Koritala, M.D.
Hospitalist Physician · Fontana, CA
Thoyaja Koritala, M.D. is a hospitalist physician with a practice address in Fontana, California, and NPI 1528354024, issued on Jun 22, 2011. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thoyaja Koritala
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 57427 MN
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (833) 574-2273
- Enumerated
- Jun 22, 2011
- Record last updated
- Mar 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20240118002719); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Adair, MDFamily Medicine Physician1780732651
- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify Thoyaja Koritala in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average hospitalist physician in 2024
442 Medicare Part D claims for 166 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Cefpodoxime Proxetil33 claims
- Pantoprazole Sodium23 claims
- Prednisone23 claims
- Doxycycline Monohydrate22 claims
- Clopidogrel21 claims
- Potassium Chloride18 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
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thoyaja Koritala among 3,099 hospitalist physician records in California
Thoyaja Koritala, M.D. 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 2011, is newer than 47% of them.
- NPI issued2011 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2008 · median 2010 among the 2,505 with a school on file
- Record last updated2025 · 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 Fontana → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Andrew Cha, D.OFontana, CA 923351508832940
- Seonah Cho, MDFontana, CA 923351841495892
- Tania Choudhary, MDFontana, CA 923351508354176
- James Dinh, M.D.Fontana, CA 923351104915081
- Deena Patel, D.O.Fontana, CA 923351437594959
- Julia Shih, DOFontana, CA 923351871121517
- Fouzia Usman, M.D.Fontana, CA 923351265966873
- Lorien Wallace, DOFontana, CA 923351518220722
Common questions
What is Thoyaja Koritala, M.D.'s NPI number?
Thoyaja Koritala, M.D.'s National Provider Identifier (NPI) is 1528354024, issued on Jun 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Thoyaja Koritala, M.D. located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.
How can I verify Thoyaja Koritala, M.D.'s license?
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 Thoyaja Koritala, M.D. prescribe under Medicare Part D?
In 2024, Thoyaja Koritala, M.D. had 442 Medicare Part D claims for 166 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.