Dr. Foy Wallace Cox, MD

  • Yuba City, CA
  • Dermatologist
NPI1184611048PAC ID8921171158
Medicare services, 2024
4,159
Medicare patients, 2024
774
Part D claims, 2024
728
Hospital affiliations
1
Industry payments
$36
Practice address
350 Del Norte Ave, Yuba City, CA 95991
Practice phone
Call (530) 671-4182
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter North Medical Foundation

Multi-specialty group site · Yuba City, California

See all 5 affiliations

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Dr. Foy Wallace Cox is a dermatologist in Yuba City, California

Dr. Cox practices at Sutter North Medical Foundation in Yuba City, California.

Dr. Cox's NPI, 1184611048, was assigned on October 5, 2005. Dr. Cox graduated from University Of Kentucky College Of Medicine in 1977. Dr. Cox holds California license G037342.

NPI and contact details
Medicare PAC ID
8921171158
NPI enumeration date
October 5, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(530) 671-4182
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
75
Medical school graduation
1977

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Foy Wallace Cox practices at Sutter North Medical Foundation in Yuba City, California

Dr. Cox's primary practice is Sutter North Medical Foundation, at 350 Del Norte Ave, Yuba City, CA 95991. The practice phone is (530) 671-4182.

  • Sutter North Medical Foundation
    350 Del Norte Ave, Yuba City, CA 95991Phone(530) 671-4182

Source: Dmand AI Affiliation Data

Dr. Foy Wallace Cox is affiliated with 3 sites of care and 2 medical groups

Dr. Cox's primary practice is Sutter North Medical Foundation in Yuba City, California. Dr. Cox is also affiliated with Adventist Health and Rideout. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Cox to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Cox

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Foy Wallace Cox's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cox practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter North Medical FoundationAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Foy Wallace Cox is one of 1,910 dermatologists in California

Dermatology is Dr. Cox's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Cox is board certified in dermatology by the American Board of Dermatology. Dr. Cox is licensed in California.

Specialties and state licenses

  • Dermatology, CaliforniaPrimaryLicense G037342 · 1978 to 2026 · taxonomy 207N00000X

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, itchy rashes, joint cyst and minor injury to a limb among the conditions Dr. Cox treats.

Dermatologists near Dr. Cox

Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.

1,910dermatologists in California
4dermatologists in Yuba City

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Foy Wallace Cox billed Medicare for 4,159 services in 2024

CMS data shows 4,159 Medicare services from Dr. Cox across 20 procedure codes in 2024, for 774 Medicare patients. Medicare paid $146,602 for them. Every service was in an office.

Medicare services, 20244,159
Medicare patients774
Paid by Medicare$146,602
Procedure codes20

Dr. Cox's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 1,1722024: 1,98569%
Drugs given in the office
2023: 842024: 1,0611163%
Office and hospital visits
2023: 6232024: 1,03867%
Tests and treatments
2023: 402024: 7588%

Dr. Cox compared with the California median for dermatologists, 2024

  • Dr. Cox
  • California median
Medicare services
4,159vs 1,7502.4 times
Medicare patients
774vs 3772.1 times
Part D claims
562vs 36753% above

Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.

Dr. Cox's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Cox

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Foy Wallace Cox treated 774 Medicare patients in 2024, average age 77

CMS counts 774 Medicare patients who saw Dr. Cox in 2024. The largest group is 75 to 84, with 320 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Cox's median patient age at 67, with 50% women.

Medicare patients, 2024774
Average age77
Average risk score1.00
Also on Medicaid11%

Dr. Cox's Medicare patients by age, 2024

Dr. Cox's Medicare patients by sex, 2024

  • Women35746%
  • Men41754%

Chronic conditions among Dr. Cox's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis48%
  4. Ischemic heart disease28%
  5. Diabetes27%
  6. Chronic kidney disease26%
  7. Atrial fibrillation21%
  8. Anxiety17%

Share of Medicare patients with each condition. A patient can have several.

Dr. Cox's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women50%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Foy Wallace Cox wrote 728 Medicare Part D claims in 2024

In 2024, Dr. Cox wrote 728 Medicare Part D claims for 275 patients. 90% of them were for generic drugs. CMS names the drug for 562 of them, across 18 drugs with 11 or more claims each, at $134,303 in total drug cost. In 2023, CMS named 355 claims across 15 drugs.

Part D claims, 2024728
Drugs named by CMS18
Total drug cost$134,303
Part D patients275

Dr. Cox's Part D claims by kind of drug, 2024

  • Generic657 claims90%
  • Brand-name71 claims10%

Dr. Cox's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Cox's Part D claims, 2024

  • Antibiotics8%61 of 728 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3552024: 56258%

Drugs named by CMS: 18 in 2024, 15 in 2023.

See all prescribing by Dr. Cox

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Foy Wallace Cox ranks in the 92nd percentile for removal of skin lesions in Medicare

Dr. Cox accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 921 procedures of removal of skin lesions by Dr. Cox, more than 92% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Cox ranks in Medicare procedure volume

Removal of skin lesions
92nd percentile921 procedures
Skin biopsy
88th percentile253 procedures
Removal or shaving of skin growth
71st percentile21 procedures
Melanoma (skin cancer) excision
67th percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Foy Wallace Cox received $36 in industry payments from 2019 to 2024

CMS Open Payments shows 2 general payments to Dr. Cox from 2 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Solta Medical, a division of Bausch Health US, LLC paid the most, $22.

General payments to Dr. Cox by program year, 2019 to 2024

Companies that paid Dr. Cox the most, 2019 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Cox

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Foy Wallace Cox has 1 award and honors on record

Dmand AI lists 1 award for Dr. Cox, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Cox

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Foy Wallace Cox graduated from University Of Kentucky College Of Medicine

Dr. Cox graduated from University Of Kentucky College Of Medicine in 1977.

  1. Medical schoolUniversity Of Kentucky College Of Medicine
  2. Board certified in dermatologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. Foy Wallace Cox accepts plans from 13 insurance carriers

Dr. Cox is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Cox accepts, by number of carriers

  1. PPO9
  2. Medicare7
  3. HMO6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Foy Wallace Cox's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Foy Wallace Cox

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Foy Wallace Cox's NPI number?

Dr. Foy Wallace Cox's NPI number is 1184611048. It was assigned on October 5, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Foy Wallace Cox?

Dr. Foy Wallace Cox is a dermatologist in Yuba City, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Foy Wallace Cox practice?

Dr. Cox practices at 350 Del Norte Ave, Yuba City, CA 95991. Dr. Cox's primary practice is Sutter North Medical Foundation in Yuba City, California. Dmand AI also links Dr. Cox to 1 group practice or clinic and 1 medical group.

What is Dr. Foy Wallace Cox's office phone number?

The practice phone on file for Dr. Cox is (530) 671-4182.

What is Dr. Foy Wallace Cox's medical license number?

Dr. Cox holds California license G037342.

Which hospitals is Dr. Foy Wallace Cox affiliated with?

Dr. Cox is affiliated with Adventist Health and Rideout.

What medical group is Dr. Foy Wallace Cox part of?

Dr. Cox is linked to SGMF Radiology. Dmand AI links Dr. Cox to 1 more medical group.

Does Dr. Foy Wallace Cox accept Medicare?

Yes. CMS data shows Dr. Cox billed Medicare for 4,159 services in 2024, and Dr. Cox accepts Medicare assignment.

How many Medicare patients does Dr. Foy Wallace Cox see?

CMS counts 774 Medicare patients who saw Dr. Cox in 2024, with an average age of 77.

Is Dr. Foy Wallace Cox board certified?

Yes. Dr. Cox is board certified in dermatology by the American Board of Dermatology.

Show 6 more questionsShow fewer questions

What services does Dr. Foy Wallace Cox bill to Medicare?

In 2024, Dr. Cox's most billed Medicare services were surgery: skin and soft tissue (17003), injected or infused drug (J3590) and office visit, established patient (99213).

Where did Dr. Foy Wallace Cox go to medical school?

Dr. Cox graduated from University Of Kentucky College Of Medicine in 1977.

What drugs does Dr. Foy Wallace Cox prescribe most?

In 2024 Medicare Part D data, Dr. Cox's most prescribed drugs by claims were Ketoconazole, Clobetasol Propionate and Betamethasone Diprop Augmented.

Has Dr. Foy Wallace Cox received payments from drug or device companies?

CMS Open Payments shows $36 in general payments to Dr. Cox from 2 companies from 2019 to 2024. The largest total came from Solta Medical, a division of Bausch Health US, LLC.

How long has Dr. Foy Wallace Cox been practicing?

Dr. Cox graduated from medical school in 1977, 49 years ago.

What insurance does Dr. Foy Wallace Cox accept?

Dr. Cox is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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