Zachary Cooper, M.D.
NPI 1659309904 · Dermatology Physician · Sonora, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Cooper, M.D. is a Dermatology Physician provider in Sonora, CA (NPI 1659309904).
Provider details
- NPI number
- 1659309904
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A72373 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
18,159 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 | 7,441 | $7 |
| Destruction of Precancer Skin Growth, 15 Or More Growths17004 | 2,797 | $182 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 2,775 | $97 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 1,326 | $62 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 1,009 | $61 |
| Destruction of Skin Growth, 1-14 Growths17110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 119 | 80 |
| Hydrocortisone | 102 | 65 |
| Ciclopirox Olaminebrand: Ciclopirox | 90 | 42 |
| Doxycycline Hyclate | 88 | 38 |
| Ketoconazole | 85 | 37 |
| Fluorouracil | 85 | 77 |
| Fluocinonide | 78 | 48 |
| Mometasone Furoate | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$211 across 6 records (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
- 2006-06-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Zachary Cooper's NPI number?
- Zachary Cooper's National Provider Identifier (NPI) is 1659309904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Cooper's specialty?
- Zachary Cooper is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Cooper located?
- Zachary Cooper's practice location on file with NPPES is 19933 Greenley Rd # C, Sonora, CA 95370.
- What is Zachary Cooper's phone number?
- The practice phone number listed in the NPPES registry for Zachary Cooper is (209) 536-0505.
- Does Zachary Cooper accept Medicare?
- Zachary Cooper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Cooper's NPI active?
- Yes — Zachary Cooper's NPI (1659309904) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.