Doctor profile · Federal record

Dr. Lilian Li, DO

Family Medicine Physician (CMS: Family Practice) · Diamond Bar, CA

  • NPI 1730717737
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
253 S Diamond Bar Blvd
Diamond Bar, CA 917651606
(909) 860-1144

Credentials & registration

NPPES · NUCC
NPI registered
March 2020 — 6 yrs on file
Profile last updated
October 3, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A20729

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730717737. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
3
Medicare allowed
$7,578
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 40 36 $139
36415 Insertion of needle into vein for collection of blood sample 19 18 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $98

In context: peer comparison

Among 8 peers in this city , average services per provider: 91. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$293
Transactions
15
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 4 $89.33
Novo Nordisk Inc 3 $50.76
GlaxoSmithKline, LLC. 2 $49.26
Esperion Therapeutics, Inc. 2 $34.86
IBSA Pharma Inc. 1 $21.82
ABBVIE INC. 1 $18.87
AstraZeneca Pharmaceuticals LP 1 $14.07
Phathom Pharmaceuticals, Inc. 1 $13.53

By nature of payment

Food and Beverage
$293

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
22
Total drug cost
$780
Drug Type Claims Patients Total cost
Metformin Hcl Generic 27 11 $373
Atorvastatin Calcium Generic 24 11 $407

Frequently asked questions

Auto-generated from federal data
What is Dr. Lilian Li's medical specialty?
Dr. Lilian Li practices Family Medicine Physician in Diamond Bar, CA.
Where does Dr. Lilian Li practice?
Dr. Lilian Li practices at 253 S Diamond Bar Blvd, Diamond Bar, CA 917651606. Office phone: 9098601144.
What is Dr. Lilian Li's NPI?
Dr. Lilian Li's National Provider Identifier (NPI) is 1730717737, issued by NPPES.
Does Dr. Lilian Li accept Medicare assignment?
Yes. Dr. Lilian Li accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lilian Li commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.