Thomas Long, MD.
NPI 1912924432 · Internal Medicine Physician · Alhambra, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Long, MD. is a Internal Medicine Physician provider in Alhambra, CA (NPI 1912924432).
Provider details
- NPI number
- 1912924432
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD.
- Sex
- Male
- Sole proprietor
- No
- License
- G73457 (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
769 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 222 | $179 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 159 | $139 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 78 | $16 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 54 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 45 | $41 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 125 | 117 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 69 | 66 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 44 | 44 |
| Cephalexin | 42 | 42 |
| Cefdinir | 41 | 39 |
| Azithromycin | 39 | 38 |
| Mupirocin | 28 | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2019-11-27
Frequently asked questions
- What is Thomas Long's NPI number?
- Thomas Long's National Provider Identifier (NPI) is 1912924432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Long's specialty?
- Thomas Long is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Long located?
- Thomas Long's practice location on file with NPPES is 1680 S Garfield Ave Ste 204, Alhambra, CA 91801-5413.
- What is Thomas Long's phone number?
- The practice phone number listed in the NPPES registry for Thomas Long is (818) 839-5200.
- Does Thomas Long accept Medicare?
- Thomas Long is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Long's NPI active?
- Yes — Thomas Long's NPI (1912924432) is active in the NPPES registry as of the last update on 2019-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.