Michael Hirt, M.D.
NPI 1639279292 · Internal Medicine Physician · Tarzana, CA
Michael Hirt, M.D. is a Internal Medicine Physician provider in Tarzana, CA (NPI 1639279292).
Provider details
- NPI number
- 1639279292
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G81062 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 390 | 93 |
| Levothyroxine Sodium | 233 | 61 |
| Metformin Hclbrand: Metformin Hcl Er | 211 | 61 |
| Atorvastatin Calcium | 147 | 43 |
| Famotidine | 147 | 67 |
| Amlodipine Besylate | 145 | 46 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Hirt's NPI number?
- Michael Hirt's National Provider Identifier (NPI) is 1639279292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hirt's specialty?
- Michael Hirt is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hirt located?
- Michael Hirt's practice location on file with NPPES is 5620 Wilbur Ave, Tarzana, CA 91356-1351.
- What is Michael Hirt's phone number?
- The practice phone number listed in the NPPES registry for Michael Hirt is (818) 345-2828.
- Is Michael Hirt's NPI active?
- Yes — Michael Hirt's NPI (1639279292) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.