Doctor profile · Federal record

Dr. Richard Li, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Internal Medicine Physician · Whittier, CA

  • NPI 1174973739
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
12401 Washington Blvd
Whittier, CA 906021006
(562) 698-0811
Additional location
330 Brookline Ave
Boston, MA 022155400
(617) 667-7000
Mailing address
2511 Valentano Dr
Dublin, CA 945683243

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
May 25, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
California #A151481 · Massachusetts #268074

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174973739. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
639
Distinct HCPCS
8
Medicare allowed
$51,429
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 337 15 $48
77427 Radiation treatment management, 5 treatment sessions 92 22 $205
77300 Calculation of radiation therapy dose 68 15 $35
77334 Design and construction of complex radiation treatment device 45 20 $65
99213 Established patient office or other outpatient visit, 20-29 minutes 37 31 $69
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $140
77263 Complex radiation therapy planning 21 21 $180
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 14 14 $88

In context: peer comparison

Among 2 peers in Whittier Radiation Oncology Physician, average services per provider: 93. This provider delivers 6.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
20
Patients
12
Total drug cost
$596
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 20 12 $596

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Li's medical specialty?
Dr. Richard Li practices Radiation Oncology Physician in Whittier, CA.
Where does Dr. Richard Li practice?
Dr. Richard Li practices at 12401 Washington Blvd, Whittier, CA 906021006. Office phone: 5626980811.
What is Dr. Richard Li's NPI?
Dr. Richard Li's National Provider Identifier (NPI) is 1174973739, issued by NPPES.
Does Dr. Richard Li accept Medicare assignment?
Yes. Dr. Richard Li accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Li commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.