Thomas Petit, MD
NPI 1134423387 · Internal Medicine Physician · Hawthorne, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Petit, MD is a Internal Medicine Physician provider in Hawthorne, CA (NPI 1134423387).
Provider details
- NPI number
- 1134423387
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C196078 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
353 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 113 | $82 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 56 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 55 | $120 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 41 | $17 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 33 | $110 |
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 |
|---|---|---|
| Amlodipine Besylate | 196 | 81 |
| Atorvastatin Calcium | 175 | 82 |
| Rosuvastatin Calcium | 153 | 64 |
| Levothyroxine Sodium | 102 | 36 |
| Losartan Potassium | 98 | 43 |
| Lisinopril | 88 | 40 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 10941 Firestone BlvdNorwalk, CA 90650-2242Phone: (205) 964-2924
Registry dates
- Enumerated
- 2011-01-03
- Last updated
- 2026-02-20
- Certified
- 2026-02-20
Frequently asked questions
- What is Thomas Petit's NPI number?
- Thomas Petit's National Provider Identifier (NPI) is 1134423387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Petit's specialty?
- Thomas Petit is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Petit located?
- Thomas Petit's practice location on file with NPPES is 12923 Inglewood Ave Ste 1, Hawthorne, CA 90250-5573.
- What is Thomas Petit's phone number?
- The practice phone number listed in the NPPES registry for Thomas Petit is (310) 675-0395.
- Does Thomas Petit accept Medicare?
- Thomas Petit is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Petit's NPI active?
- Yes — Thomas Petit's NPI (1134423387) is active in the NPPES registry as of the last update on 2026-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.