Thomas Kozak, M.D.
NPI 1629085154 · Emergency Medicine Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Kozak, M.D. is a Emergency Medicine Physician provider in La Jolla, CA (NPI 1629085154).
Provider details
- NPI number
- 1629085154
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G78081 (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
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
1,210 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 | 215 | $136 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 174 | $7 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 135 | $190 |
| Injection of Drug Or Substance Into Vein96374 | 106 | $41 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 84 | $17 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 80 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 39 | 39 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 28 | 26 |
| Cephalexin | 25 | 25 |
| Azithromycin | 22 | 22 |
| Cefuroxime Axetilbrand: Cefuroxime | 16 | 15 |
| Meclizine Hcl | 15 | 15 |
| Ondansetronbrand: Ondansetron Odt | 13 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2017-03-17
Frequently asked questions
- What is Thomas Kozak's NPI number?
- Thomas Kozak's National Provider Identifier (NPI) is 1629085154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Kozak's specialty?
- Thomas Kozak is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Kozak located?
- Thomas Kozak's practice location on file with NPPES is 10666 N Torrey Pines Rd, La Jolla, CA 92037-1027.
- What is Thomas Kozak's phone number?
- The practice phone number listed in the NPPES registry for Thomas Kozak is (858) 554-8638.
- Does Thomas Kozak accept Medicare?
- Thomas Kozak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Kozak's NPI active?
- Yes — Thomas Kozak's NPI (1629085154) is active in the NPPES registry as of the last update on 2017-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.