Doctor profile · Federal record

Dr. Tam Dang, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Corona, CA

  • NPI 1275824799
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 S Main St
Corona, CA 928823420
(951) 737-4343

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
July 22, 2016
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A141987

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275824799. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
891
Distinct HCPCS
6
Medicare allowed
$114,258
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 321 311 $180
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 284 265 $9
99291 Critical care, first 30-74 minutes 159 154 $222
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 51 51 $183
99239 Hospital discharge day management, more than 30 minutes 42 42 $121
99284 Emergency department visit with moderate level of medical decision making 34 34 $125

In context: peer comparison

Among 6 peers in this city , average services per provider: 113. This provider delivers 7.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
166
Patients
166
Total drug cost
$1,837
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 36 36 $270
Cephalexin Generic 27 27 $123
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 24 24 $95
Cefdinir Generic 15 15 $271
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 15 15 $67
Meclizine Hcl Generic 13 13 $46
Oxycodone Hcl Generic 13 13 $60
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $123
Naloxone Hcl Generic 11 11 $783

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tam Dang's medical specialty?
Dr. Tam Dang practices Emergency Medicine Physician in Corona, CA.
Where does Dr. Tam Dang practice?
Dr. Tam Dang practices at 800 S Main St, Corona, CA 928823420. Office phone: 9517374343.
What is Dr. Tam Dang's NPI?
Dr. Tam Dang's National Provider Identifier (NPI) is 1275824799, issued by NPPES.
Does Dr. Tam Dang accept Medicare assignment?
Yes. Dr. Tam Dang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tam Dang commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.