Doctor profile · Federal record
Dr. Karen Gan, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Upland, CA
- NPI 1558303800
- Accepts Medicare
- 39 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
999 San Bernardino RD
Upland, CA 917864920
(909) 920-4851
fax (909) 949-3970 - Mailing address
-
Po Box 1628
Orange, CA 928560628
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 19, 2015
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #G63793
- Medicaid
- CA #00G637930
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558303800. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11
Distinct HCPCS
1
Medicare allowed
$3,364
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00790 |
Anesthesia for other procedure on upper abdomen | 11 | 11 | $306 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 15. This provider delivers 0.7× the peer median.Frequently asked questions
What is Dr. Karen Gan's medical specialty?
Dr. Karen Gan practices Anesthesiology Physician in Upland, CA.
Where does Dr. Karen Gan practice?
Dr. Karen Gan practices at 999 San Bernardino RD, Upland, CA 917864920. Office phone: 9099204851.
What is Dr. Karen Gan's NPI?
Dr. Karen Gan's National Provider Identifier (NPI) is 1558303800, issued by NPPES.
Does Dr. Karen Gan accept Medicare assignment?
Yes. Dr. Karen Gan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Gan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on upper abdomen (HCPCS 00790). Source: CMS Medicare Physician & Other Practitioners file.