Doctor profile · Federal record

Dr. Anson Lam, MD

Emergency Medical Services (Emergency Medicine) Physician · Fullerton, CA

  • NPI 1528121845
  • MIPS 75.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 E Valencia Mesa Dr, Em Dept
Fullerton, CA 928353809
(714) 992-3965
Mailing address
4401 W Memorial RD, Suite 121
Oklahoma City, OK 731341785

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
March 11, 2009
Specialty taxonomy
207PE0004X — NUCC code
State license (1)
California #G75187
Medicaid
CA #00G751870

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528121845. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,039
Distinct HCPCS
5
Medicare allowed
$137,801
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 345 331 $180
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 250 240 $9
99284 Emergency department visit with moderate level of medical decision making 223 216 $124
99291 Critical care, first 30-74 minutes 200 194 $221
99283 Emergency department visit with low level of medical decision making 21 20 $74

In context: peer comparison

Among 1 peers in this city , average services per provider: 207. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $15.07

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
549
Patients
540
Total drug cost
$9,046
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 133 131 $967
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 54 53 $290
Cefpodoxime Proxetil Generic 50 50 $3,875
Ibuprofen Generic 50 49 $183
Methylprednisolone Generic 50 49 $517
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 38 38 $530
Azithromycin Generic 26 26 $100
Furosemide Generic 25 22 $105
Potassium Chloride Generic 25 25 $253
Cyclobenzaprine Hcl Generic 21 21 $88

Frequently asked questions

Auto-generated from federal data
What is Dr. Anson Lam's medical specialty?
Dr. Anson Lam practices Emergency Medical Services (Emergency Medicine) Physician in Fullerton, CA.
Where does Dr. Anson Lam practice?
Dr. Anson Lam practices at 101 E Valencia Mesa Dr, Fullerton, CA 928353809. Office phone: 7149923965.
What is Dr. Anson Lam's NPI?
Dr. Anson Lam's National Provider Identifier (NPI) is 1528121845, issued by NPPES.
What procedures does Dr. Anson Lam 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); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.