Karen Mitchell, M.D.
NPI 1619986114 · Dermatopathology Physician · Marlborough, MA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Mitchell, M.D. is a Dermatopathology Physician provider in Marlborough, MA (NPI 1619986114).
Provider details
- NPI number
- 1619986114
- Entity type
- Individual
- Primary specialty
- Dermatopathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 208889 (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
960 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 276 | $99 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 266 | $8 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 108 | $61 |
| Destruction of Skin Growth, 1-14 Growths17110 | 99 | $130 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $140 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 43 | 34 |
| Metronidazole | 29 | — |
| Ciclopirox Olaminebrand: Ciclopirox | 29 | 23 |
| Mupirocin | 24 | 23 |
| Ketoconazole | 15 | — |
| Clindamycin Phosphate | 14 | — |
| Valacyclovir Hclbrand: Valacyclovir | 14 | — |
| Fluocinonide | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$699 across 28 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
- 2006-08-05
- Last updated
- 2015-01-08
Frequently asked questions
- What is Karen Mitchell's NPI number?
- Karen Mitchell's National Provider Identifier (NPI) is 1619986114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mitchell's specialty?
- Karen Mitchell is listed in the NPPES registry with a primary specialty of Dermatopathology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Mitchell located?
- Karen Mitchell's practice location on file with NPPES is 340 Maple St, Marlborough, MA 01752-3200.
- What is Karen Mitchell's phone number?
- The practice phone number listed in the NPPES registry for Karen Mitchell is (508) 485-7779.
- Does Karen Mitchell accept Medicare?
- Karen Mitchell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Mitchell's NPI active?
- Yes — Karen Mitchell's NPI (1619986114) is active in the NPPES registry as of the last update on 2015-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.