Doctor profile · Federal record

Dr. Lisa Ma, MD

Family Medicine Physician (CMS: Family Practice) · Los Angeles, CA

  • NPI 1639125487
  • Accepts Medicare
  • MIPS 81.8 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4857 Huntington Dr N
Los Angeles, CA 900321939
(323) 226-9042
fax (323) 226-9426

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 20, 2012
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A70797

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639125487. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,568
Distinct HCPCS
10
Medicare allowed
$149,412
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 506 85 $110
99214 Established patient office or other outpatient visit, 30-39 minutes 193 102 $133
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 169 59 $77
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 137 52 $110
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 103 36 $77
36415 Insertion of needle into vein for collection of blood sample 100 73 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 71 54 $87
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 54 37 $157
G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a 30 15 $44
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 29 22 $2

In context: peer comparison

Among 120 peers in this city , average services per provider: 119. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$823
Transactions
31
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 8 $180.69
AstraZeneca Pharmaceuticals LP 3 $166.54
Novo Nordisk Inc 5 $110.16
Lilly USA, LLC 3 $66.87
Corcept Therapeutics 3 $63.74
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $46.04
Exact Sciences Corporation 1 $29.86
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $29.57
Amgen Inc. 1 $27.32
Merck Sharp & Dohme LLC 1 $26.83
Phathom Pharmaceuticals, Inc. 1 $26.41
GlaxoSmithKline, LLC. 1 $25.33
AIMMUNE THERAPEUTICS, INC. 1 $24.00

By nature of payment

Food and Beverage
$823

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,900
Patients
690
Total drug cost
$179,907
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 603 117 $8,652
Gabapentin Generic 474 75 $6,411
Levothyroxine Sodium Generic 407 57 $5,665
Amlodipine Besylate Generic 355 72 $3,373
Lisinopril Generic 246 46 $2,272
Xarelto (Rivaroxaban) Brand 244 23 $74,410
Famotidine Generic 217 48 $2,259
Losartan Potassium Generic 201 41 $2,791
Donepezil Hcl Generic 197 22 $3,318
Metformin Hcl Generic 190 57 $2,836

Frequently asked questions

Auto-generated from federal data
What is Dr. Lisa Ma's medical specialty?
Dr. Lisa Ma practices Family Medicine Physician in Los Angeles, CA.
Where does Dr. Lisa Ma practice?
Dr. Lisa Ma practices at 4857 Huntington Dr N, Los Angeles, CA 900321939. Office phone: 3232269042.
What is Dr. Lisa Ma's NPI?
Dr. Lisa Ma's National Provider Identifier (NPI) is 1639125487, issued by NPPES.
Does Dr. Lisa Ma accept Medicare assignment?
Yes. Dr. Lisa Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lisa Ma commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.