Doctor profile · Federal record
Dr. Gary Willen, MD
Obstetrics & Gynecology Physician · Carson City, NV
- NPI 1700857422
- MIPS 91.6 / 100 · 2023
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
961 Mica Dr
Carson City, NV 897057269
(530) 544-8333
fax (530) 542-1455
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- March 7, 2013
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #G53304
- Medicaid
- CA #1700857422
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700857422. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
166
Distinct HCPCS
5
Medicare allowed
$16,985
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 107 | 97 | $127 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 19 | 19 | $38 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 18 | 18 | $43 | |
82270 |
Stool analysis for blood to screen for colon tumors | 11 | 11 | $4 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $166 |
In context: peer comparison
Among 6 peers in Carson City Obstetrics & Gynecology Physician, average services per provider: 33. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$263
Transactions
14
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 10 | $191.82 | |
| Sumitomo Pharma America, INC. | 3 | $53.59 | |
| Pfizer INC. | 1 | $17.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
324
Patients
39
Total drug cost
$66,731
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 85 | 27 | $11,034 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 40 | 0 | $665 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 35 | 12 | $3,563 |
| Imvexxy (Estradiol) | Brand | 33 | 0 | $9,391 |
| Dotti (Estradiol) | Brand | 28 | 0 | $3,023 |
| Clobetasol Propionate | Generic | 21 | 0 | $187 |
| Premarin (Estrogens, Conjugated) | Brand | 21 | 0 | $10,895 |
| Progesterone (Progesterone, Micronized) | Brand | 20 | 0 | $642 |
| Estradiol (Once Weekly) (Estradiol) | Brand | 19 | 0 | $1,725 |
| Ozempic (Semaglutide) | Brand | 11 | 0 | $23,631 |
Frequently asked questions
What is Dr. Gary Willen's medical specialty?
Dr. Gary Willen practices Obstetrics & Gynecology Physician in Carson City, NV.
Where does Dr. Gary Willen practice?
Dr. Gary Willen practices at 961 Mica Dr, Carson City, NV 897057269. Office phone: 5305448333.
What is Dr. Gary Willen's NPI?
Dr. Gary Willen's National Provider Identifier (NPI) is 1700857422, issued by NPPES.
What procedures does Dr. Gary Willen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.