Dr. John Kenneth Mallen, MD
- Medicare services, 2024
- 503
- Medicare patients, 2024
- 102
- Part D claims, 2024
- 53
- Hospital affiliations
- 2
- Industry payments
- $326
- Practice address
- 70 East Street, Methuen, MA 01844
- Practice phone
- Call (978) 687-0156
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mallen's professional email, personal email and mobile number
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Dr. John Kenneth Mallen is a plastic surgeon in Methuen, Massachusetts
Dr. Mallen practices at Merrimack Health Methuen Hospital in Methuen, Massachusetts, part of Lawrence Hospital.
Dr. Mallen's NPI, 1427037951, was assigned on January 12, 2006. Dr. Mallen graduated from Tufts University School of Medicine in 1988. Dr. Mallen holds New Hampshire license 10052.
- NPI
- 1427037951NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971407057
- NPI enumeration date
- January 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 687-0156
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Kenneth Mallen practices at Merrimack Health Methuen Hospital in Methuen, Massachusetts
Dr. Mallen's primary practice is Merrimack Health Methuen Hospital, at 70 East Street, Methuen, MA 01844 in Essex County. The practice phone is (978) 687-0156.
- Merrimack Health Methuen Hospital70 East Street, Methuen, MA 01844 · Essex CountyPhone(978) 687-0156
Source: Dmand AI Affiliation Data
Dr. John Kenneth Mallen is affiliated with 2 sites of care and 1 medical group
Dr. Mallen's primary practice is Merrimack Health Methuen Hospital in Methuen, Massachusetts, part of Lawrence Hospital. Dr. Mallen is also affiliated with Merrimack Health Lawrence Hospital. The medical group on file is Merrimack Health Methuen Hospital. Dr. Mallen's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Kenneth Mallen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mallen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Merrimack Health Methuen Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Lawrence Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Kenneth Mallen is one of 119 plastic surgeons in Massachusetts
Plastic surgery is Dr. Mallen's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dmand AI has Dr. Mallen's licenses on file in 2 states: New Hampshire and Massachusetts.
Specialties and state licenses
- Plastic surgery, New HampshirePrimary
- Massachusetts license
Plastic surgeons near Dr. Mallen
Counts of plastic surgeons 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. John Kenneth Mallen billed Medicare for 503 services in 2024
CMS data shows 503 Medicare services from Dr. Mallen across 7 procedure codes in 2024, for 102 Medicare patients. Medicare paid $35,753 for them. Every service was in an office.
Dr. Mallen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3882024: 3656%
- Surgery
- 2023: 1222024: 13813%
Dr. Mallen compared with the Massachusetts median for plastic surgeons, 2024
- Dr. Mallen
- Massachusetts median
- Medicare services
- 503vs 786.4 times
- Medicare patients
- 102vs 8323% above
- Part D claims
- 27vs 2413% above
Medians across 97 plastic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Mallen'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mallen and other plastic surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Kenneth Mallen treated 102 Medicare patients in 2024, average age 78
CMS counts 102 Medicare patients who saw Dr. Mallen in 2024. The largest group is 75 to 84, with 46 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mallen's median patient age at 74, with 49% women.
Dr. Mallen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mallen's Medicare patients by sex, 2024
- Women5554%
- Men4746%
Chronic conditions among Dr. Mallen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis57%
- Ischemic heart disease27%
- Diabetes26%
- Cancer23%
- Anxiety20%
- Atrial fibrillation16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mallen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Kenneth Mallen wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Mallen wrote 53 Medicare Part D claims for 37 patients. 100% of them were for generic drugs. CMS names the drug for 27 of them, across 1 drug with 11 or more claims each, at $163 in total drug cost. In 2023, CMS named 27 claims across 1 drug.
Dr. Mallen'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. Mallen's Part D claims, 2024
- Antibiotics74%39 of 53 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: 272024: 27No change
Drugs named by CMS: 1 in 2024, 1 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. John Kenneth Mallen ranks in the 81st percentile for melanoma (skin cancer) excision in Medicare
Dr. Mallen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 33 procedures of melanoma (skin cancer) excision by Dr. Mallen, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mallen ranks in Medicare procedure volume
- Skin biopsy
- 80th percentile146 procedures
- Removal of tissue
- 79th percentile55 procedures
- Removal of skin lesions
- 71st percentile47 procedures
- Melanoma (skin cancer) excision
- 81st percentile33 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. John Kenneth Mallen received $326 in industry payments from 2016 to 2025
CMS Open Payments shows 6 general payments to Dr. Mallen from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. HeartFlow, Inc. paid the most, $135.
General payments to Dr. Mallen by program year, 2016 to 2025
Companies that paid Dr. Mallen 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. John Kenneth Mallen graduated from Tufts University School of Medicine
Dr. Mallen graduated from Tufts University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Kenneth Mallen'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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. John Kenneth Mallen
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. John Kenneth Mallen's NPI number?
Dr. John Kenneth Mallen's NPI number is 1427037951. It was assigned on January 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Kenneth Mallen?
Dr. John Kenneth Mallen is a plastic surgeon in Methuen, Massachusetts. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. John Kenneth Mallen practice?
Dr. Mallen practices at 70 East Street, Methuen, MA 01844. Dr. Mallen's primary practice is Merrimack Health Methuen Hospital in Methuen, Massachusetts, part of Lawrence Hospital.
What is Dr. John Kenneth Mallen's office phone number?
The practice phone on file for Dr. Mallen is (978) 687-0156.
What is Dr. John Kenneth Mallen's medical license number?
Dr. Mallen holds New Hampshire license 10052, one of the licenses on file in 2 states.
Which states has Dr. John Kenneth Mallen been licensed in?
Dmand AI has state licenses on file for Dr. Mallen in New Hampshire and Massachusetts.
Which hospitals is Dr. John Kenneth Mallen affiliated with?
Dr. Mallen practices at Merrimack Health Methuen Hospital in Methuen, Massachusetts. Dr. Mallen is also affiliated with Merrimack Health Lawrence Hospital.
What medical group is Dr. John Kenneth Mallen part of?
Dr. Mallen is linked to Merrimack Health Methuen Hospital.
Does Dr. John Kenneth Mallen accept Medicare?
Yes. CMS data shows Dr. Mallen billed Medicare for 503 services in 2024, and Dr. Mallen accepts Medicare assignment.
How many Medicare patients does Dr. John Kenneth Mallen see?
CMS counts 102 Medicare patients who saw Dr. Mallen in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
What services does Dr. John Kenneth Mallen bill to Medicare?
In 2024, Dr. Mallen's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and surgery: skin and soft tissue (11104).
Where did Dr. John Kenneth Mallen go to medical school?
Dr. Mallen graduated from Tufts University School of Medicine in 1988.
What drugs does Dr. John Kenneth Mallen prescribe most?
In 2024 Medicare Part D data, Dr. Mallen's most prescribed drugs by claims were Cefadroxil.
Has Dr. John Kenneth Mallen received payments from drug or device companies?
CMS Open Payments shows $326 in general payments to Dr. Mallen from 5 companies from 2016 to 2025. The largest total came from HeartFlow, Inc.
How long has Dr. John Kenneth Mallen been practicing?
Dr. Mallen graduated from medical school in 1988, 38 years ago.
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