Razi M. Arifuddin, MD
Gastroenterology Physician · Santa Rosa, CA
Razi M. Arifuddin, MD is a gastroenterology physician with a practice address in Santa Rosa, California, and NPI 1124085410, issued on Apr 28, 2006. Check the license (California C56200, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Razi M. Arifuddin
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- C56200 CA
231776 NY
Self-reported in NPPES; status is on the state search - Practice location
- 500 Doyle Park Dr, Santa Rosa, CA 95405
- Phone
- (707) 303-8360
- Enumerated
- Apr 28, 2006
- Record last updated
- Oct 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (707) 303-8361
- Medicare enrollment
- Enrolled (PECOS I20140226000445); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 500 Doyle Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Anton, MDInternal Medicine Physician1659364933
- Chad Barylski, NP-C, RN, DC, DACBSPNurse Practitioner1932358553
- Joshua Beirne, M.D.Gastroenterology Physician1841216041
- George Bisbee, MDInternal Medicine Physician1235122516
- Deborah Britt, M.D.Pediatrics Physician1316959307
- Jennifer Byer, M.D.Obstetrics Physician1578838298
Verify Razi M. Arifuddin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C56200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average gastroenterology physician in 2024
87 Medicare Part D claims for 53 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Peg 3350-Electrolyte26 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 2 group practices
- Adventist Health Physicians NetworkUkiah, CA
- Ukiah Adventist HospitalUkiah, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Razi M. Arifuddin among 2,140 gastroenterology physician records in California
Razi M. Arifuddin, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1999 · median 2002 among the 1,538 with a school on file
- Record last updated2021 · 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 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Santa Rosa → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Richard Auld, MDSanta Rosa, CA 954051144284290
- Joshua Beirne, M.D.Santa Rosa, CA 954051841216041
- Robert Faust, M.D.Santa Rosa, CA 954051891766861
- Frances Lu, MDSanta Rosa, CA 954051942445374
- Alexander Lustberg, M.D.Santa Rosa, CA 954051225009301
- Thomas Morales, M.D.Santa Rosa, CA 954051831127885
- Jay Gospe, M.D.Santa Rosa, CA 954041770853806
- Paul Kefalides, M.D.Santa Rosa, CA 954041790883080
Common questions
What is Razi M. Arifuddin, MD's NPI number?
Razi M. Arifuddin, MD's National Provider Identifier (NPI) is 1124085410, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Razi M. Arifuddin, MD located?
The NPPES record lists a practice address at 500 Doyle Park Dr, Santa Rosa, CA, 95405. Phone: (707) 303-8360. Providers update this record themselves, so call before visiting.
How can I verify Razi M. Arifuddin, MD's license?
NPPES lists California license number C56200, 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 Razi M. Arifuddin, MD prescribe under Medicare Part D?
In 2024, Razi M. Arifuddin, MD had 87 Medicare Part D claims for 53 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.