Than Ma
NPI 1629234745 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Than Ma is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1629234745).
Provider details
- NPI number
- 1629234745
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A100997 (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
17 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
750 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 290 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 249 | $99 |
| Screening Mammography77067 | 57 | $145 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 32 | $3 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 21 | $7 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 226 | 81 |
| Metformin Hcl | 157 | 56 |
| Amlodipine Besylate | 140 | 42 |
| Omeprazole | 124 | 46 |
| Losartan Potassium | 124 | 43 |
| Gabapentin | 105 | 32 |
| Diclofenac Sodium | 102 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-29
- Last updated
- 2008-07-29
Frequently asked questions
- What is Than Ma's NPI number?
- Than Ma's National Provider Identifier (NPI) is 1629234745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Than Ma's specialty?
- Than Ma is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Than Ma located?
- Than Ma's practice location on file with NPPES is 6000 N Figueroa St, Los Angeles, CA 90042-4232.
- What is Than Ma's phone number?
- The practice phone number listed in the NPPES registry for Than Ma is (323) 254-5291.
- Does Than Ma accept Medicare?
- Than Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Than Ma's NPI active?
- Yes — Than Ma's NPI (1629234745) is active in the NPPES registry as of the last update on 2008-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.