Viktor Buzin, MPA, PA-C
Physician Assistant · Walnut Creek, CA
Viktor Buzin, MPA, PA-C is a physician assistant with a practice address in Walnut Creek, California, and NPI 1790023620, issued on Jan 28, 2013. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Viktor Buzin
- Credential
- MPA, PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1425 S Main St, Walnut Creek, CA 94596
- Phone
- (925) 295-4000
- Enumerated
- Jan 28, 2013
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20130626000465); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1425 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804
Verify Viktor Buzin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average physician assistant in 2024
1,252 Medicare Part D claims for 512 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Tamsulosin Hcl299 claims
- Finasteride218 claims
- Myrbetriq121 claims
- Trospium Chloride117 claims
- Terazosin Hcl52 claims
- Ciprofloxacin Hcl46 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
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Viktor Buzin among 14,451 physician assistant records in California
Viktor Buzin, MPA, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 35% of them.
- NPI issued2013 · 35% of these records are older, 62% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2012 · median 2018 among the 7,214 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
89 physician assistant records list a practice address in Walnut Creek
They are 89 of the 6,170 NPPES records with a practice address in Walnut Creek, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Walnut Creek → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Linda Cortez, PA-CWalnut Creek, CA 945961487927414
- James Derum, PA-CWalnut Creek, CA 945961447355474
- Zacharia Greenlee, PA-CWalnut Creek, CA 945961427469097
- Karen Hauser, PAWalnut Creek, CA 945961609085760
- Richard King, PA-CWalnut Creek, CA 945961093870016
- Kevin King, PA-CWalnut Creek, CA 945961841509171
- Cyril Kulka, PA-CWalnut Creek, CA 945961225166556
- Katherine Mader, PA-CWalnut Creek, CA 945961730416066
Common questions
What is Viktor Buzin, MPA, PA-C's NPI number?
Viktor Buzin, MPA, PA-C's National Provider Identifier (NPI) is 1790023620, issued on Jan 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Viktor Buzin, MPA, PA-C located?
The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (925) 295-4000. Providers update this record themselves, so call before visiting.
How can I verify Viktor Buzin, MPA, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Viktor Buzin, MPA, PA-C prescribe under Medicare Part D?
In 2024, Viktor Buzin, MPA, PA-C had 1,252 Medicare Part D claims for 512 beneficiaries; the average among physician assistant prescribers was 830. 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.