Kelly Green Mazurek, M.D.
Nephrology Physician · San Diego, CA
Kelly Green Mazurek, M.D. is a nephrology physician with a practice address in San Diego, California, and NPI 1487915203, issued on Jun 7, 2012. Check the license (California A149649, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kelly Green Mazurek
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A149649 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4510 Viewridge Ave, San Diego, CA 92123
- Phone
- (866) 413-1582
- Enumerated
- Jun 7, 2012
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171019001077); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 4510 Viewridge Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Diane Alfoldy, OTRLHand Occupational Therapist1174728240
- Rachel Allchin, SLPSpeech-Language Pathologist1245593557
- Andrew Banh, P.T., D.P.T.Physical Therapist1982956843
- Beth Bauer, OTRLOccupational Therapist1144426875
- Holly Bloomquist, DPTPediatric Physical Therapist1013112242
Verify Kelly Green Mazurek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A149649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average nephrology physician in 2024
1,016 Medicare Part D claims for 213 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Calcitriol105 claims
- Furosemide89 claims
- Amlodipine Besylate84 claims
- Losartan Potassium70 claims
- Lisinopril69 claims
- Jardiance56 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
- Southern California Permanente Medical GroupSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kelly Green Mazurek among 1,468 nephrology physician records in California
Kelly Green Mazurek, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 80% of them.
- NPI issued2012 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2012 · median 2001 among the 1,128 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in San Diego → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Jadwiga Alexiewicz, MDSan Diego, CA 921231760487458
- Tepsiri Chongkrairatanakul, MDSan Diego, CA 921231982806329
- Arman Faravardeh, M.D., F.A.C.P.San Diego, CA 921231467410019
- Eddie Khav, DOSan Diego, CA 921231659900876
- Guy Lund, M.D.San Diego, CA 921231700859279
- Amir Nejad, M.D.San Diego, CA 921231467683136
- Bijal Patel, M.D.San Diego, CA 921231639266026
- Sina Rahimi, DOSan Diego, CA 921231770056772
Common questions
What is Kelly Green Mazurek, M.D.'s NPI number?
Kelly Green Mazurek, M.D.'s National Provider Identifier (NPI) is 1487915203, issued on Jun 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Kelly Green Mazurek, M.D. located?
The NPPES record lists a practice address at 4510 Viewridge Ave, San Diego, CA, 92123. Phone: (866) 413-1582. Providers update this record themselves, so call before visiting.
How can I verify Kelly Green Mazurek, M.D.'s license?
NPPES lists California license number A149649, 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 Kelly Green Mazurek, M.D. prescribe under Medicare Part D?
In 2024, Kelly Green Mazurek, M.D. had 1,016 Medicare Part D claims for 213 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.