Riffat Muzaffer, M.D
Infectious Disease Physician · Ventura, CA
Riffat Muzaffer, M.D is an infectious disease physician with a practice address in Ventura, California, and NPI 1093999294, issued on Dec 24, 2007. Check the license (California A101300, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Riffat Muzaffer
- Credential
- M.D
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A101300 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3291 Loma Vista RD, Ventura, CA 93003
- Phone
- (805) 677-5299
- Enumerated
- Dec 24, 2007
- Record last updated
- Jul 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20110118000231); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 3291 Loma Vista RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ralph Armstrong, M.D.Psychiatry Physician1518016443
Verify Riffat Muzaffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A101300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average infectious disease physician in 2024
365 Medicare Part D claims for 78 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluconazole59 claims
- Itraconazole29 claims
- Doxycycline Hyclate28 claims
- Odefsey21 claims
- Cabenuva18 claims
- Cephalexin15 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $204.20
15 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- County OF VenturaSimi Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Riffat Muzaffer among 1,119 infectious disease physician records in California
Riffat Muzaffer, M.D is one of 1,119 infectious disease physician records with a practice address in California. 79% 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 46% of them.
- NPI issued2007 · 46% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1994 · median 2003 among the 735 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Ventura → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Melissa Barger, M.D.Ventura, CA 930031598020968
- Henry Oster, M.D.Ventura, CA 930031417992223
- Cary Savitch, MDVentura, CA 930031518971084
- Omega Edwards, M.D.Camarillo, CA 930101073730511
- Joshua Wolfsohn, D.O.Camarillo, CA 930101205098456
- Byungwoo Choi, M.D.Camarillo, CA 930121295006948
- Malini Soogoor, M.D.,Simi Valley, CA 930651659328185
- David Fisk, MDSanta Barbara, CA 931051821049297
Common questions
What is Riffat Muzaffer, M.D's NPI number?
Riffat Muzaffer, M.D's National Provider Identifier (NPI) is 1093999294, issued on Dec 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Riffat Muzaffer, M.D located?
The NPPES record lists a practice address at 3291 Loma Vista RD, Ventura, CA, 93003. Phone: (805) 677-5299. Providers update this record themselves, so call before visiting.
How can I verify Riffat Muzaffer, M.D's license?
NPPES lists California license number A101300, 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 Riffat Muzaffer, M.D prescribe under Medicare Part D?
In 2024, Riffat Muzaffer, M.D had 365 Medicare Part D claims for 78 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Riffat Muzaffer, M.D's MIPS final score?
The 2023 MIPS final score is 87.2 of 100, reported for the practice group. 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.