Kristen Chen, MD
NPI 1952930604 · Dermatology Physician · San Rafael, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Chen, MD is a Dermatology Physician provider in San Rafael, CA (NPI 1952930604).
Provider details
- NPI number
- 1952930604
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,154 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 | 474 | $8 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 146 | $68 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $104 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 98 | $127 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 85 | $146 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 70 | 49 |
| Triamcinolone Acetonide | 69 | 58 |
| Fluorouracil | 42 | 42 |
| Clobetasol Propionate | 32 | 22 |
| Hydrocortisone | 32 | 29 |
| Mycophenolate Mofetil | 21 | — |
| Dupilumabbrand: Dupixent Pen | 15 | — |
| Tacrolimus | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$349 across 7 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
- 2020-04-05
- Last updated
- 2025-08-19
- Certified
- 2025-08-19
Frequently asked questions
- What is Kristen Chen's NPI number?
- Kristen Chen's National Provider Identifier (NPI) is 1952930604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Chen's specialty?
- Kristen Chen is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Kristen Chen located?
- Kristen Chen's practice location on file with NPPES is 5000 Civic Center Dr, San Rafael, CA 94903-4184.
- What is Kristen Chen's phone number?
- The practice phone number listed in the NPPES registry for Kristen Chen is (414) 649-3323.
- Does Kristen Chen accept Medicare?
- Kristen Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Chen's NPI active?
- Yes — Kristen Chen's NPI (1952930604) is active in the NPPES registry as of the last update on 2025-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.