Doctor profile · Federal record

Dr. Johnson Kwan, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · San Francisco, CA

  • NPI 1447540067
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1218 24Th Ave
San Francisco, CA 941221615
(415) 570-3780

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
January 30, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (3)
California #126109 · Minnesota #2758 · New York #320631

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447540067. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
766
Distinct HCPCS
7
Medicare allowed
$116,595
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 327 321 $191
99284 Emergency department visit with moderate level of medical decision making 218 213 $132
99291 Critical care, first 30-74 minutes 91 89 $238
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 53 50 $9
71045 X-ray of chest, 1 view 41 41 $10
99202 New patient office or other outpatient visit, 15-29 minutes 19 19 $84
99283 Emergency department visit with low level of medical decision making 17 17 $78

In context: peer comparison

Among 87 peers in this city , average services per provider: 91. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$429
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Inari Medical, Inc. 2 $315.50
Lexicon Pharmaceuticals, Inc. 1 $113.96

By nature of payment

Food and Beverage
$429

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
99
Patients
98
Total drug cost
$1,004
Drug Type Claims Patients Total cost
Cephalexin Generic 44 44 $408
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 18 18 $167
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 15 14 $60
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 11 11 $329
Ondansetron Odt (Ondansetron) Brand 11 11 $39

Frequently asked questions

Auto-generated from federal data
What is Dr. Johnson Kwan's medical specialty?
Dr. Johnson Kwan practices Emergency Medicine Physician in San Francisco, CA.
Where does Dr. Johnson Kwan practice?
Dr. Johnson Kwan practices at 1218 24Th Ave, San Francisco, CA 941221615. Office phone: 4155703780.
What is Dr. Johnson Kwan's NPI?
Dr. Johnson Kwan's National Provider Identifier (NPI) is 1447540067, issued by NPPES.
Does Dr. Johnson Kwan accept Medicare assignment?
Yes. Dr. Johnson Kwan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnson Kwan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.