Doctor profile · Federal record

Dr. Chinnavuth de Monteiro, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Concord, CA

  • NPI 1558392449
  • Accepts Medicare
  • MIPS 91.5 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2415 High School Ave, Suite 800
Concord, CA 945201800
(925) 687-5210
fax (925) 687-5091

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G73896

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558392449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,778
Distinct HCPCS
10
Medicare allowed
$630,946
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,006 638 $109
99214 Established patient office or other outpatient visit, 30-39 minutes 857 483 $153
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 677 677 $157
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 514 514 $30
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 466 283 $30
G0442 Annual alcohol misuse screening, 5 to 15 minutes 349 349 $24
G0008 Administration of influenza virus vaccine 286 280 $35
90662 Influenza vaccine split virus, preservative free 282 276 $71
G0444 Annual depression screening, 5 to 15 minutes 260 260 $24
90480 Admn sarscov2 vacc 1 dose 188 188 $35

In context: peer comparison

Among 11 peers in Concord Internal Medicine Physician, average services per provider: 135. This provider delivers 50× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,221
Transactions
112
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 20 $419.13
Otsuka America Pharmaceutical, INC. 7 $369.56
AstraZeneca Pharmaceuticals Lp 10 $320.43
Pfizer INC. 11 $307.42
Abbvie INC. 14 $286.28
Novo Nordisk INC 9 $264.50
Lundbeck LLC 7 $212.61
GlaxoSmithKline, LLC. 7 $191.69
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 9 $178.29
Bayer Healthcare Pharmaceuticals INC. 6 $157.40
Amgen INC. 4 $126.34
Dexcom, INC. 2 $64.25
Merck Sharp & Dohme LLC 2 $59.31
E.R. Squibb & Sons, L.L.C. 2 $56.31
Boehringer Ingelheim Pharmaceuticals, INC. 2 $53.08

By nature of payment

Food and Beverage
$3,221

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,454
Patients
1,041
Total drug cost
$325,193
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 519 171 $8,034
Levothyroxine Sodium Generic 367 95 $5,372
Losartan Potassium Generic 302 96 $3,921
Amlodipine Besylate Generic 293 95 $2,509
Gabapentin Generic 229 69 $4,067
Eliquis (Apixaban) Brand 226 33 $125,280
Lisinopril Generic 210 69 $2,151
Metformin Hcl Generic 205 61 $2,177
Sertraline Hcl Generic 189 60 $2,658
Tamsulosin Hcl Generic 184 66 $5,621

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chinnavuth de Monteiro's medical specialty?
Dr. Chinnavuth de Monteiro practices Internal Medicine Physician in Concord, CA.
Where does Dr. Chinnavuth de Monteiro practice?
Dr. Chinnavuth de Monteiro practices at 2415 High School Ave, Concord, CA 945201800. Office phone: 9256875210.
What is Dr. Chinnavuth de Monteiro's NPI?
Dr. Chinnavuth de Monteiro's National Provider Identifier (NPI) is 1558392449, issued by NPPES.
Does Dr. Chinnavuth de Monteiro accept Medicare assignment?
Yes. Dr. Chinnavuth de Monteiro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chinnavuth de Monteiro commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.