Doctor profile · Federal record
Dr. Susan Tan, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Specialist · Barstow, CA
- NPI 1558451112
- 40 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
705 E Virginia Way Ste I
Barstow, CA 923113955
(760) 255-3900
fax (760) 255-3980 - Mailing address
-
Po Box 626
Barstow, CA 923120626
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- August 28, 2025
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #A68769
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558451112. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
67
Distinct HCPCS
3
Medicare allowed
$5,239
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 28 | $89 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 19 | 19 | $39 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $110 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 22. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
32
Patients
0
Total drug cost
$1,904
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 19 | 0 | $1,831 |
| Hailey 24 Fe (Norethindrone-E.Estradiol-Iron) | Brand | 13 | 0 | $73 |
Frequently asked questions
What is Dr. Susan Tan's medical specialty?
Dr. Susan Tan practices Obstetrics & Gynecology Physician in Barstow, CA.
Where does Dr. Susan Tan practice?
Dr. Susan Tan practices at 705 E Virginia Way Ste I, Barstow, CA 923113955. Office phone: 7602553900.
What is Dr. Susan Tan's NPI?
Dr. Susan Tan's National Provider Identifier (NPI) is 1558451112, issued by NPPES.
Does Dr. Susan Tan accept Medicare assignment?
Dr. Susan Tan does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Susan Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.