Doctor profile · Federal record

Dr. Tony Wong, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Daly City, CA

  • NPI 1831274422
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1800 Sullivan Ave Rm 104
Daly City, CA 940152227
(650) 992-5300
fax (650) 992-5395

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A051262

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831274422. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,141
Distinct HCPCS
10
Medicare allowed
$242,081
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 949 280 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 725 315 $148
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 94 94 $153
99238 Hospital discharge day management, 30 minutes or less 66 46 $89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 57 37 $190
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 51 33 $88
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 46 19 $1
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 33 33 $18
96372 Injection of drug or substance under skin or into muscle 29 23 $17
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 27 27 $193

In context: peer comparison

Among 15 peers in Daly City Internal Medicine Physician, average services per provider: 95. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,373
Transactions
189
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 38 $1,028.97
Novo Nordisk INC 34 $451.91
Janssen Pharmaceuticals, INC 18 $325.58
Merck Sharp & Dohme LLC 12 $283.49
Lilly USA, LLC 10 $263.16
Bayer Healthcare Pharmaceuticals INC. 11 $256.36
Boehringer Ingelheim Pharmaceuticals, INC. 10 $228.38
Esperion Therapeutics, INC. 13 $200.65
GlaxoSmithKline, LLC. 8 $165.87
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 10 $155.73
Ironwood Pharmaceuticals, INC 7 $145.92
Otsuka America Pharmaceutical, INC. 5 $123.14
Amgen INC. 5 $111.17
Abbvie INC. 4 $82.10
Exact Sciences Corporation 4 $75.55

By nature of payment

Food and Beverage
$4,373

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,933
Patients
1,949
Total drug cost
$538,129
Drug Type Claims Patients Total cost
Losartan Potassium Generic 869 277 $21,072
Metformin Hcl Generic 637 207 $8,770
Amlodipine Besylate Generic 616 216 $8,472
Atorvastatin Calcium Generic 572 185 $11,538
Rosuvastatin Calcium Generic 498 169 $20,551
Levothyroxine Sodium Generic 393 119 $9,300
Simvastatin Generic 371 118 $6,520
Carvedilol Generic 340 112 $6,118
Farxiga (Dapagliflozin Propanediol) Brand 288 98 $414,551
Tamsulosin Hcl Generic 270 94 $6,885

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tony Wong's medical specialty?
Dr. Tony Wong practices Internal Medicine Physician in Daly City, CA.
Where does Dr. Tony Wong practice?
Dr. Tony Wong practices at 1800 Sullivan Ave Rm 104, Daly City, CA 940152227. Office phone: 6509925300.
What is Dr. Tony Wong's NPI?
Dr. Tony Wong's National Provider Identifier (NPI) is 1831274422, issued by NPPES.
Does Dr. Tony Wong accept Medicare assignment?
Yes. Dr. Tony Wong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tony Wong 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.