Siamak Kazemi, D.O.
NPI 1417158957 · Family Medicine Physician · Redlands, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siamak Kazemi, D.O. is a Family Medicine Physician provider in Redlands, CA (NPI 1417158957).
Provider details
- NPI number
- 1417158957
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 0102201909 (VA)
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
220 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 | 135 | $131 |
| Administration of Pneumococcal VaccineG0009 | 28 | $33 |
| Administration of Influenza Virus VaccineG0008 | 22 | $33 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 19 | $178 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $94 |
Typical Medicare-allowed amounts for these services range $33–$178 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 755 | 254 |
| Levothyroxine Sodium | 274 | 86 |
| Metformin Hcl | 234 | 82 |
| Amlodipine Besylate | 210 | 72 |
| Gabapentin | 185 | 52 |
| Tamsulosin Hcl | 161 | 54 |
| Semaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-31
- Last updated
- 2025-12-27
- Certified
- 2025-12-27
Frequently asked questions
- What is Siamak Kazemi's NPI number?
- Siamak Kazemi's National Provider Identifier (NPI) is 1417158957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siamak Kazemi's specialty?
- Siamak Kazemi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Siamak Kazemi located?
- Siamak Kazemi's practice location on file with NPPES is 2 W Fern Ave, Redlands, CA 92373.
- What is Siamak Kazemi's phone number?
- The practice phone number listed in the NPPES registry for Siamak Kazemi is (909) 793-3311.
- Does Siamak Kazemi accept Medicare?
- Siamak Kazemi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siamak Kazemi's NPI active?
- Yes — Siamak Kazemi's NPI (1417158957) is active in the NPPES registry as of the last update on 2025-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.