Dr. Karen C. Mitchell, MD
- Medicare services, 2024
- 960
- Medicare patients, 2024
- 268
- Part D claims, 2024
- 279
- Industry payments
- $3,773
- Affiliated sites
- 1
- Practice address
- 340 Maple St, Marlborough, MA 01752
- Practice phone
- Call (508) 485-7779
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Louis Kuchnir MD
Marlborough, Massachusetts
Find Dr. Mitchell's professional email, personal email and mobile number
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Dr. Karen C. Mitchell is a dermatopathology physician in Marlborough, Massachusetts
Dr. Mitchell practices at Louis Kuchnir MD in Marlborough, Massachusetts.
Dr. Mitchell's NPI, 1619986114, was assigned on August 5, 2006. Dr. Mitchell graduated from Uniformed Services UHS Fe Hebert School of Med in 1982. Dr. Mitchell holds Massachusetts license 208889.
- NPI
- 1619986114NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547264913
- NPI enumeration date
- August 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 485-7779
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen C. Mitchell practices at Louis Kuchnir MD in Marlborough, Massachusetts
Dr. Mitchell's primary practice is Louis Kuchnir MD, at 340 Maple St, Marlborough, MA 01752 in Middlesex County. The practice phone is (508) 485-7779.
- Louis Kuchnir MD340 Maple St, Marlborough, MA 01752 · Middlesex CountyPhone(508) 485-7779
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karen C. Mitchell is affiliated with 2 sites of care and 1 medical group
Dr. Mitchell's primary practice is Louis Kuchnir MD in Marlborough, Massachusetts. The medical group on file is Kuchnir Dermatology & Dermatologic Surgery. Dmand AI also links Dr. Mitchell to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Karen C. Mitchell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mitchell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Louis Kuchnir MD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen C. Mitchell is one of 8 dermatopathology physicians in Massachusetts
Dermatopathology is Dr. Mitchell's primary specialty in the NPI Registry, under taxonomy code 207ND0900X. Dr. Mitchell is licensed in Massachusetts.
Specialties and state licenses
- Dermatopathology, MassachusettsPrimary
Dermatopathology physicians near Dr. Mitchell
Counts of dermatopathology physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Karen C. Mitchell billed Medicare for 960 services in 2024
CMS data shows 960 Medicare services from Dr. Mitchell across 9 procedure codes in 2024, for 268 Medicare patients. Medicare paid $52,784 for them. Every service was in an office.
Dr. Mitchell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 7812024: 53531%
- Office and hospital visits
- 2023: 4562024: 4257%
- Lab and pathology
- 2023: 162024: 0100%
Dr. Mitchell's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Karen C. Mitchell treated 268 Medicare patients in 2024, average age 76
CMS counts 268 Medicare patients who saw Dr. Mitchell in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mitchell's median patient age at 63, with 54% women.
Dr. Mitchell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mitchell's Medicare patients by sex, 2024
- Women14353%
- Men12547%
Chronic conditions among Dr. Mitchell's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis34%
- Chronic kidney disease21%
- Ischemic heart disease21%
- Anxiety18%
- Cancer18%
- Diabetes18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mitchell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen C. Mitchell wrote 279 Medicare Part D claims in 2024
In 2024, Dr. Mitchell wrote 279 Medicare Part D claims for 133 patients. 99% of them were for generic drugs. CMS names the drug for 204 of them, across 10 drugs with 11 or more claims each, at $6,006 in total drug cost. In 2023, CMS named 227 claims across 9 drugs.
Dr. Mitchell's Part D claims by kind of drug, 2024
- Generic275 claims99%
- Brand-name and other4 claims1%
Dr. Mitchell's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mitchell's Part D claims, 2024
- Antibiotics9%26 of 279 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2272024: 20410%
Drugs named by CMS: 10 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Karen C. Mitchell ranks in the 83rd percentile for removal of skin lesions in Medicare
Dr. Mitchell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 340 procedures of removal of skin lesions by Dr. Mitchell, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mitchell ranks in Medicare procedure volume
- Removal of skin lesions
- 83rd percentile340 procedures
- Skin biopsy
- 69th percentile49 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Karen C. Mitchell received $3,773 in industry payments from 2016 to 2025
CMS Open Payments shows 151 general payments to Dr. Mitchell from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. LEO Pharma Inc. paid the most, $637.
General payments to Dr. Mitchell by program year, 2016 to 2025
General payments to Dr. Mitchell by kind, 2016 to 2025
- Food and beverage$3,41290%
- Education$36110%
Companies that paid Dr. Mitchell the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen C. Mitchell graduated from Uniformed Services UHS Fe Hebert School of Med
Dr. Mitchell graduated from Uniformed Services UHS Fe Hebert School of Med in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen C. Mitchell's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karen C. Mitchell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Karen C. Mitchell's NPI number?
Dr. Karen C. Mitchell's NPI number is 1619986114. It was assigned on August 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen C. Mitchell?
Dr. Karen C. Mitchell is a dermatopathology physician in Marlborough, Massachusetts. The primary specialty in the NPI Registry is Dermatopathology Physician (taxonomy code 207ND0900X).
Where does Dr. Karen C. Mitchell practice?
Dr. Mitchell practices at 340 Maple St, Marlborough, MA 01752. Dr. Mitchell's primary practice is Louis Kuchnir MD in Marlborough, Massachusetts. Dmand AI also links Dr. Mitchell to 1 group practice or clinic.
What is Dr. Karen C. Mitchell's office phone number?
The practice phone on file for Dr. Mitchell is (508) 485-7779.
What is Dr. Karen C. Mitchell's medical license number?
Dr. Mitchell holds Massachusetts license 208889.
What medical group is Dr. Karen C. Mitchell part of?
Dr. Mitchell is linked to Kuchnir Dermatology & Dermatologic Surgery.
Does Dr. Karen C. Mitchell accept Medicare?
Yes. CMS data shows Dr. Mitchell billed Medicare for 960 services in 2024, and Dr. Mitchell accepts Medicare assignment.
How many Medicare patients does Dr. Karen C. Mitchell see?
CMS counts 268 Medicare patients who saw Dr. Mitchell in 2024, with an average age of 76.
What services does Dr. Karen C. Mitchell bill to Medicare?
In 2024, Dr. Mitchell's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (17003) and surgery: skin and soft tissue (17000).
Where did Dr. Karen C. Mitchell go to medical school?
Dr. Mitchell graduated from Uniformed Services UHS Fe Hebert School of Med in 1982.
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What drugs does Dr. Karen C. Mitchell prescribe most?
In 2024 Medicare Part D data, Dr. Mitchell's most prescribed drugs by claims were Triamcinolone Acetonide, Ciclopirox and Metronidazole.
Has Dr. Karen C. Mitchell received payments from drug or device companies?
CMS Open Payments shows $3,773 in general payments to Dr. Mitchell from 27 companies from 2016 to 2025. The largest total came from LEO Pharma Inc.
How long has Dr. Karen C. Mitchell been practicing?
Dr. Mitchell graduated from medical school in 1982, 44 years ago.
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