Gary F. Willen, MD
Obstetrics & Gynecology Physician · Carson City, NV
Gary F. Willen, MD is an obstetrics & gynecology physician with a practice address in Carson City, Nevada, and NPI 1700857422, issued on Jan 30, 2006. Check the license on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gary F. Willen
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G53304 CA
Self-reported in NPPES; status is on the state search - Practice location
- 961 Mica Dr, Carson City, NV 89705
- Phone
- (530) 544-8333
- Enumerated
- Jan 30, 2006
- Record last updated
- Mar 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (530) 542-1455
- Medicaid ID
- 1700857422 CA
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 318 in Nevada → Look up another NPI →
Also registered at 961 Mica Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Goldenberg, MDGynecology Physician1548246440
Verify Gary F. Willen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
449 Medicare Part D claims for 104 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Estradiol93 claims
- Valacyclovir54 claims
- Estradiol (Twice Weekly)50 claims
- Dotti35 claims
- Imvexxy34 claims
- Premarin22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $262.85
14 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gary F. Willen among 318 obstetrics & gynecology physician records in Nevada
Gary F. Willen, MD is one of 318 obstetrics & gynecology physician records with a practice address in Nevada. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 50% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2013 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Nevada
There are 318 obstetrics & gynecology physician records in Nevada.
All 318 in Nevada → Every provider in Carson City → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Steven Arcangeli, MDCarson City, NV 897031124089263
- Tessa Black, MDCarson City, NV 897031356784474
- Kira Brooks, MDCarson City, NV 897031639517667
- Caroline Habaradas, MDCarson City, NV 897031073584785
- Amy Hayes, M.D.Carson City, NV 897031366408452
- Shannon Hess, MDCarson City, NV 897031689715534
- Sandra Koch, M.D.Carson City, NV 897031942260682
- Kristin Koskela, M.D.Carson City, NV 897031144660051
Common questions
What is Gary F. Willen, MD's NPI number?
Gary F. Willen, MD's National Provider Identifier (NPI) is 1700857422, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary F. Willen, MD located?
The NPPES record lists a practice address at 961 Mica Dr, Carson City, NV, 89705. Phone: (530) 544-8333. Providers update this record themselves, so call before visiting.
How can I verify Gary F. Willen, MD's license?
Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary F. Willen, MD prescribe under Medicare Part D?
In 2024, Gary F. Willen, MD had 449 Medicare Part D claims for 104 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Gary F. Willen, MD's MIPS final score?
The 2023 MIPS final score is 91.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.