Sergio R. Riffel, M.D.
General Practice Physician · Chico, CA
Sergio R. Riffel, M.D. is a general practice physician with a practice address in Chico, California, and NPI 1619018066, issued on Feb 9, 2007. Check the license (California A41494, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sergio R. Riffel
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- A41494 CA
016873 ME
Self-reported in NPPES; status is on the state search - Practice location
- 680 Cohasset RD, Chico, CA 95926
- Phone
- (530) 342-4395
- Enumerated
- Feb 9, 2007
- Record last updated
- Jun 3, 2024
- Fax
- (530) 894-2325
- Medicaid ID
- 431938099 ME
- Medicare enrollment
- Enrolled (PECOS I20040625001161); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 680 Cohasset RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ejaz Ahmed, M.D.Pediatrics Physician1699775734
- Abdullah Al Dwairi, M.D.Internal Medicine Physician1639170806
- Marianna Almanza, PA-CPhysician Assistant1720542491
- Nasrin Ashouian, MDNephrology Physician1053522342
- Marytere Carrasquillo Navarro, MDInternal Medicine Physician1851751408
- Oswald Chan, M.D.Family Medicine Physician1780676882
Verify Sergio R. Riffel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A41494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average general practice physician in 2024
3,345 Medicare Part D claims for 570 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 101 claims were for opioids.
Most prescribed
- Levothyroxine Sodium155 claims
- Atorvastatin Calcium149 claims
- Amlodipine Besylate132 claims
- Losartan Potassium128 claims
- Metformin Hcl107 claims
- Rosuvastatin Calcium91 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.
The MIPS final score for 2023 (Medicare payment program): 5.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Vital Health CA Medical GroupPenn Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sergio R. Riffel among 1,956 general practice physician records in California
Sergio R. Riffel, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 50% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1980 · median 1994 among the 520 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Chico → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Dewayne Caviness, MDChico, CA 959261912938887
- Randall Caviness, M.D.Chico, CA 959261235140278
- Kurt Johnson, M.D., INC.Chico, CA 959261407881741
- Ronald Johnson, M.D.Chico, CA 959261578603122
- Mark Schwab, MDChico, CA 959261134137722
- Amitabh Singh, D.OChico, CA 959261053843540
- Bradley Smith, M.D.Chico, CA 959261932248036
- Kevin Sorensen, DOChico, CA 959261144680141
Common questions
What is Sergio R. Riffel, M.D.'s NPI number?
Sergio R. Riffel, M.D.'s National Provider Identifier (NPI) is 1619018066, issued on Feb 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sergio R. Riffel, M.D. located?
The NPPES record lists a practice address at 680 Cohasset RD, Chico, CA, 95926. Phone: (530) 342-4395. Providers update this record themselves, so call before visiting.
How can I verify Sergio R. Riffel, M.D.'s license?
NPPES lists California license number A41494, 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 Sergio R. Riffel, M.D. prescribe under Medicare Part D?
In 2024, Sergio R. Riffel, M.D. had 3,345 Medicare Part D claims for 570 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is Sergio R. Riffel, M.D.'s MIPS final score?
The 2023 MIPS final score is 5.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.