Doctor profile · Federal record

Dr. Allen Li, MD, MS

Hematology & Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Hematology & Oncology Physician · Medical Oncology Physician · Modesto, CA

  • NPI 1265827554
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
600 Coffee RD
Modesto, CA 953554201
(209) 550-4795
Additional location
2121 Ne 139Th St Ste 120
Vancouver, WA 986862301
(360) 896-7070
Additional location
700 Ne 87Th Ave Ste 360
Vancouver, WA 986641913
(360) 882-2778
Show 2 more locations
Additional location
200 Lothrop Street, UPMC Montefiore, Suite N-715,
Pittsburgh, PA 15213
(412) 692-4700
Additional location
3181 Sw Sam Jackson Park RD # L-579
Portland, OR 97239
(503) 494-8211
Mailing address
Po Box 255228
Sacramento, CA 958655228

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
June 18, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
California #A152883 · Pennsylvania #MT209130 · Washington #MD61653051

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265827554. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,346
Distinct HCPCS
7
Medicare allowed
$200,819
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 543 144 $185
99214 Established patient office or other outpatient visit, 30-39 minutes 527 257 $132
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 119 33 $121
96372 Injection of drug or substance under skin or into muscle 71 16 $15
99205 New patient office or other outpatient visit, 60-74 minutes 41 41 $227
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $169
99213 Established patient office or other outpatient visit, 20-29 minutes 16 16 $91

In context: peer comparison

Among 5 peers in this city , average services per provider: 429. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$451
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 2 $156.38
Amgen Inc. 1 $117.59
Genentech USA, Inc. 1 $101.76
Incyte Corporation 1 $74.99

By nature of payment

Food and Beverage
$376
Education
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
806
Patients
311
Total drug cost
$537,453
Drug Type Claims Patients Total cost
Anastrozole Generic 121 37 $4,162
Prochlorperazine Maleate Generic 97 61 $1,158
Gabapentin Generic 70 23 $1,407
Letrozole Generic 65 18 $4,449
Ondansetron Hcl Generic 59 42 $669
Dexamethasone Generic 50 21 $898
Acyclovir Generic 46 18 $901
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 46 17 $1,901
Morphine Sulfate Er (Morphine Sulfate) Brand 42 17 $1,489
Prednisone Generic 40 14 $364

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allen Li's medical specialty?
Dr. Allen Li practices Hematology & Oncology Physician in Modesto, CA.
Where does Dr. Allen Li practice?
Dr. Allen Li practices at 600 Coffee RD, Modesto, CA 953554201. Office phone: 2095504795.
What is Dr. Allen Li's NPI?
Dr. Allen Li's National Provider Identifier (NPI) is 1265827554, issued by NPPES.
Does Dr. Allen Li accept Medicare assignment?
Yes. Dr. Allen Li accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allen Li commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.