Kelly Mazurek, M.D.
NPI 1487915203 · Nephrology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kelly Mazurek, M.D. is a Nephrology Physician provider in San Diego, CA (NPI 1487915203).
Provider details
- NPI number
- 1487915203
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A149649 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 105 | 38 |
| Furosemide | 89 | 38 |
| Amlodipine Besylate | 84 | 33 |
| Losartan Potassium | 70 | 32 |
| Lisinopril | 69 | 27 |
| Empagliflozinbrand: Jardiance | 56 | 20 |
| Terazosin Hcl | 54 | 20 |
Practice location
Mailing address
Additional practice locations (1)
- 263 Farmington AveFarmington, CT 06030-0001Phone: (860) 679-2147
Registry dates
- Enumerated
- 2012-06-07
- Last updated
- 2021-11-29
- Certified
- 2021-11-29
Frequently asked questions
- What is Kelly Mazurek's NPI number?
- Kelly Mazurek's National Provider Identifier (NPI) is 1487915203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelly Mazurek's specialty?
- Kelly Mazurek is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Kelly Mazurek located?
- Kelly Mazurek's practice location on file with NPPES is 4510 Viewridge Ave, San Diego, CA 92123.
- What is Kelly Mazurek's phone number?
- The practice phone number listed in the NPPES registry for Kelly Mazurek is (866) 413-1582.
- Does Kelly Mazurek accept Medicare?
- Kelly Mazurek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kelly Mazurek's NPI active?
- Yes — Kelly Mazurek's NPI (1487915203) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.