Anthony Francis Firek, MD
Endocrinology, Diabetes & Metabolism Physician · San Bernardino, CA
Anthony Francis Firek, MD is an endocrinology, diabetes & metabolism physician with a practice address in San Bernardino, California, and NPI 1861462640, issued on Jan 25, 2006. Check the license (California G559560, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anthony Francis Firek
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- G559560 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 N Waterman Ave, San Bernardino, CA 92404
- Phone
- (909) 883-8611
- Enumerated
- Jan 25, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (909) 886-1798
- Medicaid ID
- 00G559560 CA
- Medicare enrollment
- Enrolled (PECOS I20110214000650); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 1700 N Waterman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Myra Aguirre-Carlos, MDFamily Medicine Physician1669575874
- Nesib Ali, MDFamily Medicine Physician1497725261
- Susan Aminzai, M.D.Internal Medicine Physician1619471091
- Augusto Banayat, FNPNurse Practitioner1831727700
- Anooshirvan Bozorgmehr, DOFamily Medicine Physician1689019200
- Carina Buhay, MDInternal Medicine Physician1639143530
Verify Anthony Francis Firek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G559560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
54 Medicare Part D claims for 15 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of 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
- County OF RiversideMoreno Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anthony Francis Firek among 1,131 endocrinology, diabetes & metabolism physician records in California
Anthony Francis Firek, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1984 · median 2003 among the 779 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in San Bernardino → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Almoutaz Shakally, M.D.San Bernardino, CA 924041861632168
- Gaja Andzel, M.D.Yucaipa, CA 923991821231648
- Pushpinder Guleria, M.D.Victorville, CA 923951366521825
- Chukwuka Akamnonu, M.D.Redlands, CA 923731225423353
- Olivia Papacostea, M.D.Redlands, CA 923731881839355
- Olha Fomenko, MDLoma Linda, CA 923571487860896
- Katherine Jacob, M.D.Loma Linda, CA 923571497780571
- Tania Arous, MDLoma Linda, CA 923541114468360
Common questions
What is Anthony Francis Firek, MD's NPI number?
Anthony Francis Firek, MD's National Provider Identifier (NPI) is 1861462640, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Francis Firek, MD located?
The NPPES record lists a practice address at 1700 N Waterman Ave, San Bernardino, CA, 92404. Phone: (909) 883-8611. Providers update this record themselves, so call before visiting.
How can I verify Anthony Francis Firek, MD's license?
NPPES lists California license number G559560, 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 Anthony Francis Firek, MD prescribe under Medicare Part D?
In 2024, Anthony Francis Firek, MD had 54 Medicare Part D claims for 15 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.