Gary Tanouye, M.D.
NPI 1326043738 · Internal Medicine Physician · Tarzana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Tanouye, M.D. is a Internal Medicine Physician provider in Tarzana, CA (NPI 1326043738).
Provider details
- NPI number
- 1326043738
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G50249 (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
21 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
5,830 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 | 783 | $139 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 659 | $10 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 534 | $9 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation, High Sensitivity86141 | 502 | $13 |
| Hemoglobin A1c Level83036 | 479 | $9 |
| Creatine Kinase (cardiac Enzyme) Level, Total82550 | 457 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 435 | 130 |
| Amlodipine Besylate | 311 | 91 |
| Levothyroxine Sodium | 289 | 76 |
| Rosuvastatin Calcium | 211 | 70 |
| Losartan Potassium | 159 | 49 |
| Metoprolol Succinate | 152 | 49 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-14
- Last updated
- 2009-11-17
Frequently asked questions
- What is Gary Tanouye's NPI number?
- Gary Tanouye's National Provider Identifier (NPI) is 1326043738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Tanouye's specialty?
- Gary Tanouye is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Tanouye located?
- Gary Tanouye's practice location on file with NPPES is 18370 Burbank Blvd, Tarzana, CA 91356-2831.
- What is Gary Tanouye's phone number?
- The practice phone number listed in the NPPES registry for Gary Tanouye is (818) 996-5700.
- Does Gary Tanouye accept Medicare?
- Gary Tanouye is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Tanouye's NPI active?
- Yes — Gary Tanouye's NPI (1326043738) is active in the NPPES registry as of the last update on 2009-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.