Doctor profile · Federal record

Dr. Xin Li, M.D.

Medical Oncology Physician (CMS: Internal Medicine) · Berkeley, CA

  • NPI 1639442429
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2001 Dwight Way
Berkeley, CA 947042608
(925) 786-9693
fax (510) 204-6440

Credentials & registration

NPPES · NUCC
NPI registered
February 2012 — 14 yrs on file
Profile last updated
October 10, 2018
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
California #A134896
Medicaid
MD #N/A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639442429. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
957
Distinct HCPCS
7
Medicare allowed
$131,747
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 369 153 $110
99215 Established patient office or other outpatient visit, 40-54 minutes 304 88 $163
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 195 75 $135
99205 New patient office or other outpatient visit, 60-74 minutes 31 31 $205
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 25 $197
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 20 11 $90
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $151

In context: peer comparison

Among 2 peers in Berkeley Medical Oncology Physician, average services per provider: 632. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 1 $13.93

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
618
Patients
161
Total drug cost
$1,210,395
Drug Type Claims Patients Total cost
Anastrozole Generic 168 43 $5,267
Tamoxifen Citrate Generic 69 18 $2,571
Eliquis (Apixaban) Brand 58 12 $47,455
Letrozole Generic 51 13 $1,470
Prochlorperazine Maleate Generic 51 29 $625
Potassium Chloride Generic 43 13 $571
Tagrisso (Osimertinib Mesylate) Brand 43 0 $691,864
Ondansetron Hcl Generic 36 22 $675
Xarelto (Rivaroxaban) Brand 17 0 $15,541
Xtandi (Enzalutamide) Brand 17 0 $225,863

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Xin Li's medical specialty?
Dr. Xin Li practices Medical Oncology Physician in Berkeley, CA.
Where does Dr. Xin Li practice?
Dr. Xin Li practices at 2001 Dwight Way, Berkeley, CA 947042608. Office phone: 9257869693.
What is Dr. Xin Li's NPI?
Dr. Xin Li's National Provider Identifier (NPI) is 1639442429, issued by NPPES.
Does Dr. Xin Li accept Medicare assignment?
Yes. Dr. Xin Li accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Xin Li commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.