Christy Williams, MD
NPI 1467442632 · Dermatology Physician · Westford, MA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christy Williams, MD is a Dermatology Physician provider in Westford, MA (NPI 1467442632).
Provider details
- NPI number
- 1467442632
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 217307 (MA)
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
4,416 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 | 1,701 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 685 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 524 | $139 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 500 | $59 |
| Destruction of Skin Growth, 1-14 Growths17110 | 361 | $128 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 288 | 225 |
| Nystatin | 82 | 47 |
| Clobetasol Propionate | 77 | 61 |
| Ketoconazole | 76 | 52 |
| Minoxidil | 59 | 18 |
| Betamethasone Valerate | 57 | 41 |
| Finasteride | 57 | 18 |
| Fluocinonide | 51 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 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
- 2005-10-27
- Last updated
- 2009-05-05
Frequently asked questions
- What is Christy Williams's NPI number?
- Christy Williams's National Provider Identifier (NPI) is 1467442632, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christy Williams's specialty?
- Christy Williams is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Christy Williams located?
- Christy Williams's practice location on file with NPPES is 133 Littleton Rd, Westford, MA 01886-3115.
- What is Christy Williams's phone number?
- The practice phone number listed in the NPPES registry for Christy Williams is (978) 371-7010.
- Does Christy Williams accept Medicare?
- Christy Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christy Williams's NPI active?
- Yes — Christy Williams's NPI (1467442632) is active in the NPPES registry as of the last update on 2009-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.