Mehdi Manzari, M.D.
NPI 1689807463 · Internal Medicine Physician · Thousand Oaks, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mehdi Manzari, M.D. is a Internal Medicine Physician provider in Thousand Oaks, CA (NPI 1689807463).
Provider details
- NPI number
- 1689807463
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A109271 (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
16 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
35 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 35 | $81 |
Typical Medicare-allowed amounts for these services range $81–$81 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 434 | 258 |
| Empagliflozinbrand: Jardiance | 251 | 134 |
| Amlodipine Besylate | 120 | 69 |
| Furosemide | 114 | 62 |
| Cefpodoxime Proxetil | 105 | 104 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 97 | 74 |
| Ondansetron |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-27
- Last updated
- 2021-11-29
- Certified
- 2021-11-29
Frequently asked questions
- What is Mehdi Manzari's NPI number?
- Mehdi Manzari's National Provider Identifier (NPI) is 1689807463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mehdi Manzari's specialty?
- Mehdi Manzari is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mehdi Manzari located?
- Mehdi Manzari's practice location on file with NPPES is 227 W Janss Rd Ste 210, Thousand Oaks, CA 91360-1867.
- What is Mehdi Manzari's phone number?
- The practice phone number listed in the NPPES registry for Mehdi Manzari is (424) 333-1236.
- Does Mehdi Manzari accept Medicare?
- Mehdi Manzari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mehdi Manzari's NPI active?
- Yes — Mehdi Manzari's NPI (1689807463) 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.