Kristin Walker, M.D.
NPI 1841208402 · Dermatology Physician · Orinda, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristin Walker, M.D. is a Dermatology Physician provider in Orinda, CA (NPI 1841208402).
Provider details
- NPI number
- 1841208402
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G078292 (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
3,927 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 841 | $39 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 699 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 609 | $144 |
| Biopsy of Related Skin Growth, First Growth11102 | 592 | $120 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 | 335 | $60 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluorouracil | 104 | 92 |
| Betamethasone Dipropionate | 99 | 77 |
| Triamcinolone Acetonide | 71 | 51 |
| Ketoconazole | 59 | 37 |
| Mupirocin | 46 | 33 |
| Clobetasol Propionate | 36 | 22 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 28 | 26 |
| Nystatin | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39 across 2 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
- 2006-08-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kristin Walker's NPI number?
- Kristin Walker's National Provider Identifier (NPI) is 1841208402, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristin Walker's specialty?
- Kristin Walker is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Kristin Walker located?
- Kristin Walker's practice location on file with NPPES is 89 Davis Rd, Orinda, CA 94563-3031.
- What is Kristin Walker's phone number?
- The practice phone number listed in the NPPES registry for Kristin Walker is (925) 254-1080.
- Does Kristin Walker accept Medicare?
- Kristin Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristin Walker's NPI active?
- Yes — Kristin Walker's NPI (1841208402) 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.