Foy Cox, M.D.
NPI 1184611048 · Dermatology Physician · Yuba City, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Foy Cox, M.D. is a Dermatology Physician provider in Yuba City, CA (NPI 1184611048).
Provider details
- NPI number
- 1184611048
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G037342 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,974 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 978 | $7 |
| Unclassified BiologicsJ3590 | 876 | $0 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 665 | $92 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 360 | $54 |
| Destruction of Skin Growth, 1-14 Growths17110 | 234 | $115 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 83 | 49 |
| Clobetasol Propionate | 68 | 34 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 51 | 28 |
| Fluorouracil | 49 | 47 |
| Triamcinolone Acetonide | 48 | 37 |
| Hydrocortisone | 45 | 36 |
| Minoxidil | 35 | — |
| Doxycycline Hyclate | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-05
- Last updated
- 2015-07-29
Frequently asked questions
- What is Foy Cox's NPI number?
- Foy Cox's National Provider Identifier (NPI) is 1184611048, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Foy Cox's specialty?
- Foy Cox is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Foy Cox located?
- Foy Cox's practice location on file with NPPES is 350 Del Norte Ave, Yuba City, CA 95991-4123.
- What is Foy Cox's phone number?
- The practice phone number listed in the NPPES registry for Foy Cox is (530) 671-4182.
- Does Foy Cox accept Medicare?
- Foy Cox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Foy Cox's NPI active?
- Yes — Foy Cox's NPI (1184611048) is active in the NPPES registry as of the last update on 2015-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.