Michael Kazak, MD
NPI 1285732636 · Geriatric Medicine (Internal Medicine) Physician · Santa Maria, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Kazak, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Santa Maria, CA (NPI 1285732636).
Provider details
- NPI number
- 1285732636
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A43888 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,432 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,824 | $130 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 370 | $15 |
| Administration of Influenza Virus VaccineG0008 | 138 | $25 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 41 | $175 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 41 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 159 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 804 | 211 |
| Metformin Hcl | 735 | 208 |
| Atorvastatin Calcium | 685 | 197 |
| Simvastatin | 642 | 168 |
| Losartan Potassium | 573 | 158 |
| Levothyroxine Sodium | 531 | 137 |
| Alprazolam | 485 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2023-11-24
- Certified
- 2023-11-24
Frequently asked questions
- What is Michael Kazak's NPI number?
- Michael Kazak's National Provider Identifier (NPI) is 1285732636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Kazak's specialty?
- Michael Kazak is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Kazak located?
- Michael Kazak's practice location on file with NPPES is 1040 W Main St, Santa Maria, CA 93458.
- What is Michael Kazak's phone number?
- The practice phone number listed in the NPPES registry for Michael Kazak is (805) 922-8269.
- Does Michael Kazak accept Medicare?
- Michael Kazak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Kazak's NPI active?
- Yes — Michael Kazak's NPI (1285732636) is active in the NPPES registry as of the last update on 2023-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.