Michael Zizmor
NPI 1124395421 · General Practice Physician · Richmond, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Zizmor is a General Practice Physician provider in Richmond, CA (NPI 1124395421).
Provider details
- NPI number
- 1124395421
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- G50848 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
1,192 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 | 374 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 234 | $109 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 148 | $81 |
| Therapy Procedure Using Massage, Each 15 Minutes97124 | 109 | $34 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 85 | $26 |
| Application of Electrical Stimulation With Therapist Present, Each 15 Minutes97032 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 121 | 13 |
| Trazodone Hcl | 80 | 14 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 70 | 14 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 68 | — |
| Gabapentin | 60 | — |
| Lorazepam | 57 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-11-30
- Last updated
- 2021-10-21
- Certified
- 2021-10-21
Frequently asked questions
- What is Michael Zizmor's NPI number?
- Michael Zizmor's National Provider Identifier (NPI) is 1124395421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Zizmor's specialty?
- Michael Zizmor is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Zizmor located?
- Michael Zizmor's practice location on file with NPPES is 2831 Macdonald Ave, Richmond, CA 94804-3008.
- What is Michael Zizmor's phone number?
- The practice phone number listed in the NPPES registry for Michael Zizmor is (510) 236-5340.
- Does Michael Zizmor accept Medicare?
- Michael Zizmor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Zizmor's NPI active?
- Yes — Michael Zizmor's NPI (1124395421) is active in the NPPES registry as of the last update on 2021-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.