Doctor profile · Federal record
Dr. Karen Tuan, M.D.
Obstetrics & Gynecology Physician · San Francisco, CA
- NPI 1669441358
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
929 Clay St, Suite 305
San Francisco, CA 941081556
(415) 398-7178
fax (415) 398-5525
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- August 2, 2010
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #G80796
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669441358. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
779
Distinct HCPCS
8
Medicare allowed
$73,570
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 193 | 159 | $151 | |
76830 |
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 121 | 118 | $157 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 116 | 116 | $47 | |
82270 |
Stool analysis for blood to screen for colon tumors | 111 | 111 | $4 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 107 | 107 | $55 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 62 | 62 | $194 | |
81002 |
Urinalysis, manual test | 55 | 48 | $3 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 14 | $107 |
In context: peer comparison
Among 21 peers in this city , average services per provider: 60. This provider delivers 13× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
407
Patients
278
Total drug cost
$56,660
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 233 | 155 | $28,638 |
| Ciprofloxacin Hcl | Generic | 70 | 51 | $773 |
| Premarin (Estrogens, Conjugated) | Brand | 57 | 38 | $25,950 |
| Terconazole | Generic | 47 | 34 | $1,299 |
Frequently asked questions
What is Dr. Karen Tuan's medical specialty?
Dr. Karen Tuan practices Obstetrics & Gynecology Physician in San Francisco, CA.
Where does Dr. Karen Tuan practice?
Dr. Karen Tuan practices at 929 Clay St, San Francisco, CA 941081556. Office phone: 4153987178.
What is Dr. Karen Tuan's NPI?
Dr. Karen Tuan's National Provider Identifier (NPI) is 1669441358, issued by NPPES.
What procedures does Dr. Karen Tuan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.