Doctor profile · Federal record

Dr. Chainarong Limvarapuss, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Vallejo, CA

  • NPI 1053341784
  • Accepts Medicare
  • MIPS 96.3 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Hospital Dr, Suite # 110
Vallejo, CA 945892578
(707) 551-3300
fax (707) 551-3301

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 4, 2011
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A80619
Medicaid
CA #9023736

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053341784. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
162,151
Distinct HCPCS
10
Medicare allowed
$3,015,963
HCPCS Description Services Patients Avg allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 48,450 38 $1
J9271 Injection, pembrolizumab, 1 mg 28,800 17 $54
J0897 Injection, denosumab, 1 mg 15,917 70 $23
J1453 Injection, fosaprepitant, 1 mg 10,500 14 $0
J1642 Injection, heparin sodium, (heparin lock flush), per 10 units 6,530 34 $0
J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units 5,460 13 $7
J3475 Injection, magnesium sulfate, per 500 mg 4,800 52 $1
J1626 Injection, granisetron hydrochloride, 100 mcg 4,290 59 $0
Q5106 Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units 3,010 24 $8
J3480 Injection, potassium chloride, per 2 meq 2,595 29 $0

In context: peer comparison

Among 1 peers in this city , average services per provider: 2,456. This provider delivers 66× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,772
Transactions
135
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
US Oncology Corporate, Inc. 6 $1,390.08
AstraZeneca Pharmaceuticals LP 13 $346.82
Lilly USA, LLC 11 $337.64
Novartis Pharmaceuticals Corporation 15 $332.45
Janssen Biotech, Inc. 13 $301.73
PFIZER INC. 12 $266.59
Celgene Corporation 14 $245.61
Merck Sharp & Dohme LLC 9 $238.81
Daiichi Sankyo Inc. 8 $180.54
Karyopharm Therapeutics Inc. 8 $174.76
GlaxoSmithKline, LLC. 7 $173.83
Takeda Pharmaceuticals U.S.A., Inc. 6 $117.23
Alexion Pharmaceuticals, Inc. 4 $109.93
Genentech USA, Inc. 4 $109.00
Eisai Inc. 5 $103.85

By nature of payment

Food and Beverage
$4,919
Travel and Lodging
$820
Gift
$33

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,246
Patients
326
Total drug cost
$181,387
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 157 37 $161,250
Levothyroxine Sodium Generic 157 39 $4,022
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 144 29 $4,417
Letrozole Generic 95 22 $2,873
Hydrochlorothiazide Generic 84 26 $689
Furosemide Generic 78 24 $467
Gabapentin Generic 73 12 $1,339
Prednisone Generic 65 13 $715
Metformin Hcl Generic 63 22 $877
Atorvastatin Calcium Generic 61 21 $1,085

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chainarong Limvarapuss's medical specialty?
Dr. Chainarong Limvarapuss practices Hematology & Oncology Physician in Vallejo, CA.
Where does Dr. Chainarong Limvarapuss practice?
Dr. Chainarong Limvarapuss practices at 100 Hospital Dr, Vallejo, CA 945892578. Office phone: 7075513300.
What is Dr. Chainarong Limvarapuss's NPI?
Dr. Chainarong Limvarapuss's National Provider Identifier (NPI) is 1053341784, issued by NPPES.
Does Dr. Chainarong Limvarapuss accept Medicare assignment?
Yes. Dr. Chainarong Limvarapuss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chainarong Limvarapuss commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.