Doctor profile · Federal record

Dr. Than Ma

Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA

  • NPI 1629234745
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6000 N Figueroa St
Los Angeles, CA 900424232
(323) 254-5291
fax (323) 254-4618

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A100997

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629234745. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
731
Distinct HCPCS
8
Medicare allowed
$41,084
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 326 133 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 266 136 $98
77067 Screening mammography 51 51 $147
99442 Telephone medical discussion with physician, 11-20 minutes 24 21 $70
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 20 18 $7
99441 Telephone medical discussion with physician, 5-10 minutes 17 12 $37
77081 Dxa bone density measurement of forearm, finger, hand, or foot 14 14 $36
76700 Complete ultrasound scan of abdomen 13 13 $134

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,666
Patients
594
Total drug cost
$49,399
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 206 77 $6,162
Metformin Hcl Generic 153 55 $5,048
Diclofenac Sodium Generic 145 53 $4,017
Losartan Potassium Generic 132 43 $4,785
Amlodipine Besylate Generic 127 46 $3,591
Omeprazole Generic 121 46 $3,975
Benazepril Hcl Generic 104 30 $4,062
Clotrimazole Generic 103 46 $2,615
Glipizide Generic 101 35 $2,984
Famotidine Generic 92 36 $3,456

Frequently asked questions

Auto-generated from federal data
What is Dr. Than Ma's medical specialty?
Dr. Than Ma practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Than Ma practice?
Dr. Than Ma practices at 6000 N Figueroa St, Los Angeles, CA 900424232. Office phone: 3232545291.
What is Dr. Than Ma's NPI?
Dr. Than Ma's National Provider Identifier (NPI) is 1629234745, issued by NPPES.
Does Dr. Than Ma accept Medicare assignment?
Yes. Dr. Than Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Than Ma commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Screening mammography (HCPCS 77067). Source: CMS Medicare Physician & Other Practitioners file.