Marilyn Kwolek, MD
NPI 1700936150 · Specialist · Danville, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilyn Kwolek, MD is a Specialist provider in Danville, CA (NPI 1700936150).
Provider details
- NPI number
- 1700936150
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- C41932 (IA)
Specialties & taxonomies
Other Service Providers
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
3,345 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 | 851 | $8 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 450 | $61 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 402 | $102 |
| Biopsy of Related Skin Growth, First Growth11102 | 376 | $107 |
| Destruction of Skin Growth, 1-14 Growths17110 | 364 | $138 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 152 | 101 |
| Doxycycline Hyclate | 54 | 29 |
| Fluorouracil | 54 | 49 |
| Mupirocin | 39 | 33 |
| Valacyclovir Hclbrand: Valacyclovir | 36 | 29 |
| Imiquimod | 33 | 27 |
| Hydroxyzine Hcl | 31 | — |
| Ketoconazole | 30 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$214 across 16 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
- 2007-01-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marilyn Kwolek's NPI number?
- Marilyn Kwolek's National Provider Identifier (NPI) is 1700936150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Kwolek's specialty?
- Marilyn Kwolek is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Marilyn Kwolek located?
- Marilyn Kwolek's practice location on file with NPPES is 917 San Ramon Valley Blvd, Danville, CA 94526-4005.
- What is Marilyn Kwolek's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Kwolek is (925) 838-8677.
- Does Marilyn Kwolek accept Medicare?
- Marilyn Kwolek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilyn Kwolek's NPI active?
- Yes — Marilyn Kwolek's NPI (1700936150) 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.