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Dr. John A. Lewis, MD
NPI1255366407PAC ID0941222129
- Medicare services, 2024
- 1,423
- Medicare patients, 2024
- 297
- Part D claims, 2024
- 4,128
- Publications
- 3
- Hospital affiliations
- 5
- Practice address
- 1153 Centre Street, Jamaica Plain, MA 02130
- Practice phone
- Call (617) 983-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lewis' 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 A. Lewis is an internist in Jamaica Plain, Massachusetts
Dr. Lewis practices at Brigham and Women's Faulkner Hospital in Jamaica Plain, Massachusetts, part of Mass General Brigham.
Dr. Lewis' NPI, 1255366407, was assigned on July 12, 2006. Dr. Lewis graduated from New York Medical College in 1993. Dr. Lewis holds Massachusetts license 150977.
NPI and contact details
- NPI
- 1255366407NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941222129
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 983-7000
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John A. Lewis practices at Brigham and Women's Faulkner Hospital in Jamaica Plain, Massachusetts
Dr. Lewis' primary practice is Brigham and Women's Faulkner Hospital, at 1153 Centre Street, Jamaica Plain, MA 02130 in Suffolk County. The practice phone is (617) 983-7000.
- Brigham and Women's Faulkner Hospital1153 Centre Street, Jamaica Plain, MA 02130 · Suffolk CountyPhone(617) 983-7000
Source: Dmand AI Affiliation Data
Dr. John A. Lewis is affiliated with 10 sites of care and 1 medical group
Dr. Lewis' primary practice is Brigham and Women's Faulkner Hospital in Jamaica Plain, Massachusetts, part of Mass General Brigham. Dr. Lewis is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Lewis to 3 more hospitals, 3 home health agencies, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account.
Massachusetts General HospitalBrigham and Women's Hospital3 hospitalsNames with a free account3 home health agenciesNames with a free account1 group practice or clinicName with a free account1 hospital outpatient departmentName with a free account
See all 11 affiliations for Dr. LewisSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John A. Lewis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Faulkner Hospital | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John A. Lewis is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lewis is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Lewis
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
5,528internists in Massachusetts87internists in Jamaica Plain64internists at Brigham and Women's Faulkner Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John A. Lewis billed Medicare for 1,423 services in 2024
CMS data shows 1,423 Medicare services from Dr. Lewis across 18 procedure codes in 2024, for 297 Medicare patients. Medicare paid $95,699 for them. Every service was in an office.
Medicare services, 20241,423
Medicare patients297
Paid by Medicare$95,699
Procedure codes18
Dr. Lewis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 3412024: 50949%
- Office and hospital visits
- 2023: 3812024: 3586%
- Surgery
- 2023: 3422024: 3129%
- Tests and treatments
- 2023: 2012024: 24421%
Dr. Lewis compared with the Massachusetts median for internists, 2024
- Dr. Lewis
- Massachusetts median
- Medicare services
- 1,423vs 4313.3 times
- Medicare patients
- 297vs 19453% above
- Part D claims
- 3,418vs 4028.5 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Lewis' 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. Lewis and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John A. Lewis treated 297 Medicare patients in 2024, average age 76
CMS counts 297 Medicare patients who saw Dr. Lewis in 2024. The largest group is 65 to 74, with 122 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 71, with 30% women.
Medicare patients, 2024297
Average age76
Average risk score1.29
Also on Medicaid14%
Dr. Lewis' Medicare patients by age, 2024
Dr. Lewis' Medicare patients by sex, 2024
- Women9030%
- Men20770%
Chronic conditions among Dr. Lewis' Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis47%
- Diabetes26%
- Ischemic heart disease26%
- Atrial fibrillation25%
- Bipolar disorder23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lewis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women30%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John A. Lewis wrote 4,128 Medicare Part D claims in 2024
In 2024, Dr. Lewis wrote 4,128 Medicare Part D claims for 413 patients. 88% of them were for generic drugs. CMS names the drug for 3,418 of them, across 82 drugs with 11 or more claims each, at $406,417 in total drug cost. In 2023, CMS named 5,492 claims across 108 drugs.
Part D claims, 20244,128
Drugs named by CMS82
Total drug cost$406,417
Part D patients413
Dr. Lewis' Part D claims by kind of drug, 2024
- Generic3,636 claims88%
- Brand-name469 claims11%
- Other23 claims1%
Dr. Lewis' 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. Lewis' Part D claims, 2024
- Opioids4%153 of 4,128 claims
- Antibiotics2%71 of 4,128 claims
- Antipsychotics, patients 65 and over1%23 of 4,128 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: 5,4922024: 3,41838%
Drugs named by CMS: 82 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 A. Lewis offers telehealth to Medicare patients
Dr. Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lewis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John A. Lewis has 3 publications on record
Dmand AI links 3 papers to Dr. Lewis, published from 2020 to 2024. Dr. Lewis has published most often in Nature. Dr. Lewis' most frequent co-authors are Robert John Mentz, MD and Sreekanth Vemulapalli, MD.
Papers3
Years published2020 to 2024
Dr. Lewis' most frequent co-authors
Recent publications by Dr. Lewis
See who Dr. Lewis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lewis works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John A. Lewis received $426 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Lewis from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 53% of the total. GE Healthcare paid the most, $200.
General payments to Dr. Lewis by program year, 2016 to 2025
General payments to Dr. Lewis by kind, 2016 to 2025
$426in total
- Food and beverage$22653%
- Consulting fees$20047%
Companies that paid Dr. Lewis 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 A. Lewis graduated from New York Medical College
Dr. Lewis graduated from New York Medical College in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John A. Lewis'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 A. Lewis
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 A. Lewis' NPI number?
Dr. John A. Lewis' NPI number is 1255366407. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John A. Lewis?
Dr. John A. Lewis is an internist in Jamaica Plain, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John A. Lewis practice?
Dr. Lewis practices at 1153 Centre Street, Jamaica Plain, MA 02130. Dr. Lewis' primary practice is Brigham and Women's Faulkner Hospital in Jamaica Plain, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Lewis to 3 hospitals, 3 home health agencies, 1 group practice or clinic and 1 hospital outpatient department.
What is Dr. John A. Lewis' office phone number?
The practice phone on file for Dr. Lewis is (617) 983-7000.
What is Dr. John A. Lewis' medical license number?
Dr. Lewis holds Massachusetts license 150977.
Which hospitals is Dr. John A. Lewis affiliated with?
Dr. Lewis practices at Brigham and Women's Faulkner Hospital in Jamaica Plain, Massachusetts. Dr. Lewis is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Lewis to 3 more hospitals.
What medical group is Dr. John A. Lewis part of?
Dr. Lewis is linked to Brigham and Women's Hospital.
Does Dr. John A. Lewis accept Medicare?
Yes. CMS data shows Dr. Lewis billed Medicare for 1,423 services in 2024, and Dr. Lewis accepts Medicare assignment.
Does Dr. John A. Lewis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lewis as offering telehealth services.
How many Medicare patients does Dr. John A. Lewis see?
CMS counts 297 Medicare patients who saw Dr. Lewis in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. John A. Lewis bill to Medicare?
In 2024, Dr. Lewis' most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and medicare service (G0439).
Where did Dr. John A. Lewis go to medical school?
Dr. Lewis graduated from New York Medical College in 1993.
What drugs does Dr. John A. Lewis prescribe most?
In 2024 Medicare Part D data, Dr. Lewis' most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Omeprazole.
Has Dr. John A. Lewis received payments from drug or device companies?
CMS Open Payments shows $426 in general payments to Dr. Lewis from 5 companies from 2016 to 2025. The largest total came from GE Healthcare.
How long has Dr. John A. Lewis been practicing?
Dr. Lewis graduated from medical school in 1993, 33 years ago.
Does Dr. John A. Lewis do research?
Dmand AI links 3 publications to Dr. Lewis, published from 2020 to 2024.
Who does Dr. John A. Lewis publish with?
Dr. Lewis' most frequent co-authors are Robert John Mentz, MD (1 shared paper) and Sreekanth Vemulapalli, MD (1 shared paper).
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