Doctor profile · Federal record

Dr. Khai Do, M.D.

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

  • NPI 1396939526
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9880 Central Ave
Montclair, CA 917632817
(909) 621-3012
fax (909) 621-3015

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
April 20, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A42932

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396939526. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
114
Distinct HCPCS
3
Medicare allowed
$11,630
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 67 41 $94
99215 Established patient office or other outpatient visit, 40-54 minutes 26 21 $148
99213 Established patient office or other outpatient visit, 20-29 minutes 21 16 $70

In context: peer comparison

Among 6 peers in this city , average services per provider: 106. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,440
Transactions
58
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 11 $309.93
Bayer Healthcare Pharmaceuticals Inc. 12 $247.47
Axsome Therapeutics, Inc. 4 $192.00
Boehringer Ingelheim Pharmaceuticals, Inc. 7 $153.70
AstraZeneca Pharmaceuticals LP 5 $110.67
PFIZER INC. 4 $91.00
Esperion Therapeutics, Inc. 3 $73.04
Novo Nordisk Inc 4 $68.79
Xeris Pharmaceuticals, Inc. 1 $53.70
Ardelyx, Inc. 2 $48.94
Astellas Pharma US Inc 2 $43.38
Exact Sciences Corporation 1 $18.78
Hologic Sales and Service, LLC 1 $15.55
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $13.14

By nature of payment

Food and Beverage
$1,440

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,154
Patients
1,188
Total drug cost
$263,476
Drug Type Claims Patients Total cost
Losartan Potassium Generic 622 171 $12,232
Atorvastatin Calcium Generic 600 177 $13,309
Amlodipine Besylate Generic 350 107 $6,030
Metformin Hcl Generic 330 100 $5,250
Gabapentin Generic 273 80 $7,454
Hydrochlorothiazide Generic 258 70 $1,119
Diclofenac Sodium Generic 253 67 $36,411
Simvastatin Generic 230 63 $4,660
Ezetimibe Generic 227 74 $16,263
Tamsulosin Hcl Generic 226 64 $7,716

Frequently asked questions

Auto-generated from federal data
What is Dr. Khai Do's medical specialty?
Dr. Khai Do practices Internal Medicine Physician in Montclair, CA.
Where does Dr. Khai Do practice?
Dr. Khai Do practices at 9880 Central Ave, Montclair, CA 917632817. Office phone: 9096213012.
What is Dr. Khai Do's NPI?
Dr. Khai Do's National Provider Identifier (NPI) is 1396939526, issued by NPPES.
Does Dr. Khai Do accept Medicare assignment?
Yes. Dr. Khai Do accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Khai Do 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.