Dr. John Malolepszy, MD
- Medicare services, 2024
- 4,076
- Medicare patients, 2024
- 424
- Part D claims, 2024
- 6,789
- Hospital affiliations
- 6
- Industry payments
- $652
- Practice address
- 111 Grossman Dr, Braintree, MA 02184
- Practice phone
- Call (617) 421-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harvard Vanguard Medical Associates
Braintree, Massachusetts
Find Dr. Malolepszy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Malolepszy is an internist in Braintree, Massachusetts
Dr. Malolepszy practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.
Dr. Malolepszy's NPI, 1508993163, was assigned on February 28, 2007. Dr. Malolepszy graduated from Geisel School of Medicine at Dartmouth in 1993. Dr. Malolepszy holds Massachusetts license 151408.
- NPI
- 1508993163NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800708058
- NPI enumeration date
- February 28, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 421-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Malolepszy practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts
Dr. Malolepszy's primary practice is Harvard Vanguard Medical Associates, at 111 Grossman Dr, Braintree, MA 02184 in Norfolk County. The practice phone is (617) 421-1000.
- Harvard Vanguard Medical Associates111 Grossman Dr, Braintree, MA 02184 · Norfolk CountyPhone(617) 421-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Malolepszy is affiliated with 13 sites of care and 1 medical group
Dr. Malolepszy's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dr. Malolepszy is also affiliated with Massachusetts General Hospital. The medical group on file is Atrius Health. Dmand AI also links Dr. Malolepszy to 5 more hospitals, 4 home health agencies, 1 group practice or clinic and 1 hospice, each 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. John Malolepszy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Malolepszy practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harvard Vanguard Medical Associates | Available with a free account |
| +12 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Malolepszy is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Malolepszy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Malolepszy is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Malolepszy
Counts of internists 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 Malolepszy billed Medicare for 4,076 services in 2024
CMS data shows 4,076 Medicare services from Dr. Malolepszy across 43 procedure codes in 2024, for 424 Medicare patients. Medicare paid $90,256 for them. Every service was in an office.
Dr. Malolepszy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,0192024: 2,1376%
- Surgery
- 2023: 6622024: 6833%
- Office and hospital visits
- 2023: 6052024: 67311%
- Other services
- 2023: 4592024: 4267%
- Tests and treatments
- 2023: 1292024: 15722%
Dr. Malolepszy compared with the Massachusetts median for internists, 2024
- Dr. Malolepszy
- Massachusetts median
- Medicare services
- 4,076vs 4319.5 times
- Medicare patients
- 424vs 1942.2 times
- Part D claims
- 6,137vs 40215.3 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Malolepszy'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. Malolepszy and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Malolepszy treated 424 Medicare patients in 2024, average age 76
CMS counts 424 Medicare patients who saw Dr. Malolepszy in 2024. The largest group is 75 to 84, with 199 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Malolepszy's median patient age at 72, with 31% women.
Dr. Malolepszy's Medicare patients by age, 2024
Dr. Malolepszy's Medicare patients by sex, 2024
- Women13532%
- Men28968%
Chronic conditions among Dr. Malolepszy's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis37%
- Chronic kidney disease28%
- Diabetes26%
- Ischemic heart disease26%
- Anxiety22%
- Atrial fibrillation19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Malolepszy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women31%
- Men68%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Malolepszy wrote 6,789 Medicare Part D claims in 2024
In 2024, Dr. Malolepszy wrote 6,789 Medicare Part D claims for 588 patients. 91% of them were for generic drugs. CMS names the drug for 6,137 of them, across 102 drugs with 11 or more claims each, at $319,348 in total drug cost. In 2023, CMS named 5,830 claims across 108 drugs.
Dr. Malolepszy's Part D claims by kind of drug, 2024
- Generic6,207 claims91%
- Brand-name and other582 claims9%
Dr. Malolepszy'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. Malolepszy's Part D claims, 2024
- Opioids3%206 of 6,789 claims
- Antibiotics2%110 of 6,789 claims
- Antipsychotics, patients 65 and over0%25 of 6,789 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: 5,8302024: 6,1375%
Drugs named by CMS: 102 in 2024, 108 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 Malolepszy offers telehealth to Medicare patients
Dr. Malolepszy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Malolepszy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Malolepszy received $652 in industry payments from 2017 to 2020
CMS Open Payments shows 6 general payments to Dr. Malolepszy from 1 drug or device company from 2017 to 2020. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $652.
General payments to Dr. Malolepszy by program year, 2017 to 2020
Companies that paid Dr. Malolepszy the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Malolepszy graduated from Geisel School of Medicine at Dartmouth
Dr. Malolepszy graduated from Geisel School of Medicine at Dartmouth in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Malolepszy'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) |
| 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) |
| 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 Malolepszy
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 Malolepszy's NPI number?
Dr. John Malolepszy's NPI number is 1508993163. It was assigned on February 28, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Malolepszy?
Dr. John Malolepszy is an internist in Braintree, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Malolepszy practice?
Dr. Malolepszy practices at 111 Grossman Dr, Braintree, MA 02184. Dr. Malolepszy's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dmand AI also links Dr. Malolepszy to 5 hospitals, 4 home health agencies, 1 group practice or clinic and 1 hospice.
What is Dr. John Malolepszy's office phone number?
The practice phone on file for Dr. Malolepszy is (617) 421-1000.
What is Dr. John Malolepszy's medical license number?
Dr. Malolepszy holds Massachusetts license 151408.
Which hospitals is Dr. John Malolepszy affiliated with?
Dr. Malolepszy is affiliated with Massachusetts General Hospital. Dmand AI links Dr. Malolepszy to 5 more hospitals.
What medical group is Dr. John Malolepszy part of?
Dr. Malolepszy is linked to Atrius Health.
Does Dr. John Malolepszy accept Medicare?
Yes. CMS data shows Dr. Malolepszy billed Medicare for 4,076 services in 2024, and Dr. Malolepszy accepts Medicare assignment.
Does Dr. John Malolepszy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Malolepszy as offering telehealth services.
How many Medicare patients does Dr. John Malolepszy see?
CMS counts 424 Medicare patients who saw Dr. Malolepszy in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. John Malolepszy bill to Medicare?
In 2024, Dr. Malolepszy's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (80061).
Where did Dr. John Malolepszy go to medical school?
Dr. Malolepszy graduated from Geisel School of Medicine at Dartmouth in 1993.
What drugs does Dr. John Malolepszy prescribe most?
In 2024 Medicare Part D data, Dr. Malolepszy's most prescribed drugs by claims were Lisinopril, Atorvastatin Calcium and Simvastatin.
Has Dr. John Malolepszy received payments from drug or device companies?
CMS Open Payments shows $652 in general payments to Dr. Malolepszy from 1 company from 2017 to 2020. The largest total came from Pfizer Inc.
How long has Dr. John Malolepszy been practicing?
Dr. Malolepszy graduated from medical school in 1993, 33 years ago.
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