John Chen, M.D., FAAD
NPI 1942209887 · MOHS-Micrographic Surgery Physician · Tucson, AZ
Provider details
- NPI number
- 1942209887
- Entity type
- Individual
- Primary specialty
- MOHS-Micrographic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., FAAD
- Sex
- Male
- Sole proprietor
- No
- License
- 32355 (AZ)
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
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
1,073 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) |
|---|---|---|
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, Each Additional Stage, 1-5 Tissue Blocks17312 | 306 | $397 |
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, 1-5 Tissue Blocks17311 | 288 | $637 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 175 | $55 |
| Removal and Microscopic Exam of Growth of Trunk, Arms, Or Legs, 1-5 Tissue Blocks17313 | 77 | $571 |
| Complicated Repair of Wound of Forehead, Cheeks, Chin, Mouth, Neck, Underarms, Genitals, Hands, Or Feet, 2.6-7.5 Cm13132 | 60 | $226 |
| Removal and Microscopic Exam of Growth of Trunk, Arms, Or Legs, Each Additional Stage, 1-5 Tissue Blocks |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$268 across 3 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
- 2005-07-21
- Last updated
- 2017-02-15
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.