Foy Wallace Cox, M.D.
Dermatology Physician · Yuba City, CA
Foy Wallace Cox, M.D. is a dermatology physician with a practice address in Yuba City, California, and NPI 1184611048, issued on Oct 5, 2005. Check the license (California G037342, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Foy Wallace Cox
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- G037342 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 Del Norte Ave, Yuba City, CA 95991
- Phone
- (530) 671-4182
- Enumerated
- Oct 5, 2005
- Record last updated
- Jul 29, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (530) 432-3685
- Medicare enrollment
- Enrolled (PECOS I20080722000453); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 350 Del Norte Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dana Aman, PA-CMedical Physician Assistant1164060182
- Angela Kim, DO, MPHDermatology Physician1649711391
- Rosie Krypel, M.D.Dermatology Physician1184087983
- Harjot Maan, M.D.MOHS-Micrographic Surgery Physician1093004566
- Linda Nelson, PA-CSurgical Physician Assistant1275619454
- Brett Pedley, PA-CPhysician Assistant1710471289
Verify Foy Wallace Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G037342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average dermatology physician in 2024
728 Medicare Part D claims for 275 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Ketoconazole83 claims
- Clobetasol Propionate68 claims
- Betamethasone Diprop Augmented51 claims
- Fluorouracil49 claims
- Triamcinolone Acetonide48 claims
- Hydrocortisone45 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.
Industry payments in 2024: $22.18
1 payment: food and beverage; the largest payer was Solta Medical, a division of Bausch Health US, LLC. The 10,250 providers of this specialty with any payment received $8,544.61 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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationBrownsville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Foy Wallace Cox among 2,083 dermatology physician records in California
Foy Wallace Cox, M.D. is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1977 · median 2006 among the 1,450 with a school on file
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Yuba City → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Angela Kim, DO, MPHYuba City, CA 959911649711391
- Rosie Krypel, M.D.Yuba City, CA 959911184087983
- Aseel Abu-NasserRedding, CA 960011609641711
- Tinyee Chang, MDRedding, CA 960011386861409
- Richard Gerlic, MDRedding, CA 960011265434021
- Brian Reber, P.A.Redding, CA 960011952338907
- Ronald Reece, MDRedding, CA 960011144288523
- Jane Shiu, MDRedding, CA 960011073542148
Common questions
What is Foy Wallace Cox, M.D.'s NPI number?
Foy Wallace Cox, M.D.'s National Provider Identifier (NPI) is 1184611048, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Foy Wallace Cox, M.D. located?
The NPPES record lists a practice address at 350 Del Norte Ave, Yuba City, CA, 95991. Phone: (530) 671-4182. Providers update this record themselves, so call before visiting.
How can I verify Foy Wallace Cox, M.D.'s license?
NPPES lists California license number G037342, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Foy Wallace Cox, M.D. prescribe under Medicare Part D?
In 2024, Foy Wallace Cox, M.D. had 728 Medicare Part D claims for 275 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
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.