Thomas Hascall, MD
NPI 1245315324 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Hascall, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1245315324).
Provider details
- NPI number
- 1245315324
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A74598 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
653 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 | 366 | $96 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $60 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 83 | $65 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 32 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 24 | $9 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 135 | 40 |
| Amlodipine Besylate | 107 | 30 |
| Alprazolam | 68 | 12 |
| Losartan Potassium | 62 | 20 |
| Levothyroxine Sodium | 58 | 19 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 57 | — |
Practice location
Mailing address
Additional practice locations (1)
- 8660 Woodley AveNorth Hill, CA 91343Phone: (818) 891-9641Fax: (818) 891-9671
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2023-01-06
- Certified
- 2023-01-06
Frequently asked questions
- What is Thomas Hascall's NPI number?
- Thomas Hascall's National Provider Identifier (NPI) is 1245315324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Hascall's specialty?
- Thomas Hascall is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Hascall located?
- Thomas Hascall's practice location on file with NPPES is 335 N La Brea Ave, Los Angeles, CA 90036-2517.
- What is Thomas Hascall's phone number?
- The practice phone number listed in the NPPES registry for Thomas Hascall is (323) 634-3850.
- Does Thomas Hascall accept Medicare?
- Thomas Hascall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Hascall's NPI active?
- Yes — Thomas Hascall's NPI (1245315324) is active in the NPPES registry as of the last update on 2023-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.