Dr. Jay S. Fleitman, MD
- Medicare services, 2024
- 589
- Medicare patients, 2024
- 289
- Part D claims, 2024
- 2,203
- Hospital affiliations
- 2
- Industry payments
- $58,774
- Practice address
- 22 Atwood Dr, Northampton, MA 01060
- Practice phone
- Call (413) 582-2898
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mass General Brigham Medical Group Western Massachusetts Inc
Northampton, Massachusetts
Find Dr. Fleitman'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. Jay S. Fleitman is an internist in Northampton, Massachusetts
Dr. Fleitman practices at Mass General Brigham Medical Group Western Massachusetts Inc in Northampton, Massachusetts.
Dr. Fleitman's NPI, 1114904497, was assigned on December 28, 2005. Dr. Fleitman graduated from State University of New York at Stony Brook, School of Medicine in 1979. Dr. Fleitman holds Massachusetts license 52983.
- NPI
- 1114904497NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022117175
- NPI enumeration date
- December 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (413) 582-2898
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jay S. Fleitman practices at Mass General Brigham Medical Group Western Massachusetts Inc in Northampton, Massachusetts
Dr. Fleitman's primary practice is Mass General Brigham Medical Group Western Massachusetts Inc, at 22 Atwood Dr, Northampton, MA 01060 in Hampshire County. The practice phone is (413) 582-2898.
- Mass General Brigham Medical Group Western Massachusetts Inc22 Atwood Dr, Northampton, MA 01060 · Hampshire CountyPhone(413) 582-2898
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jay S. Fleitman is affiliated with 6 sites of care and 2 medical groups
Dr. Fleitman's primary practice is Mass General Brigham Medical Group Western Massachusetts Inc in Northampton, Massachusetts. Dr. Fleitman is also affiliated with Cooley Dickinson Hospital. The medical group on file is Hampden & Franklin County Cardiovascular Associates. Dmand AI also links Dr. Fleitman to 1 more hospital, 2 group practices and clinics, 1 physician office and 1 medical group, 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. Jay S. Fleitman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fleitman practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mass General Brigham Medical Group Western Massachusetts Inc | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jay S. Fleitman is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Fleitman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fleitman is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Fleitman
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. Jay S. Fleitman billed Medicare for 589 services in 2024
CMS data shows 589 Medicare services from Dr. Fleitman across 5 procedure codes in 2024, for 289 Medicare patients. Medicare paid $54,652 for them. Every service was in an office.
Dr. Fleitman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6722024: 54519%
- Tests and treatments
- 2023: 372024: 4419%
Dr. Fleitman compared with the Massachusetts median for internists, 2024
- Dr. Fleitman
- Massachusetts median
- Medicare services
- 589vs 43137% above
- Medicare patients
- 289vs 19449% above
- Part D claims
- 2,015vs 4025.0 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Fleitman'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. Fleitman and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jay S. Fleitman treated 289 Medicare patients in 2024, average age 73
CMS counts 289 Medicare patients who saw Dr. Fleitman in 2024. The largest group is 65 to 74, with 137 patients. 75% of them have high blood pressure, and 63% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fleitman's median patient age at 68, with 45% women.
Dr. Fleitman's Medicare patients by age, 2024
Dr. Fleitman's Medicare patients by sex, 2024
- Women15554%
- Men13446%
Chronic conditions among Dr. Fleitman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol63%
- Arthritis49%
- Asthma38%
- Mood disorders35%
- Atrial fibrillation34%
- Anxiety30%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fleitman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jay S. Fleitman wrote 2,203 Medicare Part D claims in 2024
In 2024, Dr. Fleitman wrote 2,203 Medicare Part D claims for 295 patients. CMS names the drug for 2,015 of them, across 42 drugs with 11 or more claims each, at $1,595,583 in total drug cost. In 2023, CMS named 2,281 claims across 42 drugs.
Dr. Fleitman'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. Fleitman's Part D claims, 2024
- Antibiotics3%57 of 2,203 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: 2,2812024: 2,01512%
Drugs named by CMS: 42 in 2024, 42 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. Jay S. Fleitman offers telehealth to Medicare patients
Dr. Fleitman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fleitman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jay S. Fleitman received $58,774 in industry payments from 2016 to 2025
CMS Open Payments shows 565 general payments to Dr. Fleitman from 47 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 81% of the total. GlaxoSmithKline, LLC. paid the most, $28,851.
General payments to Dr. Fleitman by program year, 2016 to 2025
General payments to Dr. Fleitman by kind, 2016 to 2025
- Speaker and faculty fees$47,53581%
- Food and beverage$9,68316%
- Consulting fees$7021%
- Travel and lodging$5911%
- Education$2640%
Companies that paid Dr. Fleitman 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. Jay S. Fleitman graduated from State University of New York at Stony Brook, School of Medicine
Dr. Fleitman graduated from State University of New York at Stony Brook, School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jay S. Fleitman'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. Jay S. Fleitman
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. Jay S. Fleitman's NPI number?
Dr. Jay S. Fleitman's NPI number is 1114904497. It was assigned on December 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jay S. Fleitman?
Dr. Jay S. Fleitman is an internist in Northampton, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jay S. Fleitman practice?
Dr. Fleitman practices at 22 Atwood Dr, Northampton, MA 01060. Dr. Fleitman's primary practice is Mass General Brigham Medical Group Western Massachusetts Inc in Northampton, Massachusetts. Dmand AI also links Dr. Fleitman to 1 hospital, 2 group practices and clinics, 1 physician office and 1 medical group.
What is Dr. Jay S. Fleitman's office phone number?
The practice phone on file for Dr. Fleitman is (413) 582-2898.
What is Dr. Jay S. Fleitman's medical license number?
Dr. Fleitman holds Massachusetts license 52983.
Which hospitals is Dr. Jay S. Fleitman affiliated with?
Dr. Fleitman is affiliated with Cooley Dickinson Hospital. Dmand AI links Dr. Fleitman to 1 more hospital.
What medical group is Dr. Jay S. Fleitman part of?
Dr. Fleitman is linked to Hampden & Franklin County Cardiovascular Associates. Dmand AI links Dr. Fleitman to 1 more medical group.
Does Dr. Jay S. Fleitman accept Medicare?
Yes. CMS data shows Dr. Fleitman billed Medicare for 589 services in 2024, and Dr. Fleitman accepts Medicare assignment.
Does Dr. Jay S. Fleitman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fleitman as offering telehealth services.
How many Medicare patients does Dr. Jay S. Fleitman see?
CMS counts 289 Medicare patients who saw Dr. Fleitman in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Jay S. Fleitman bill to Medicare?
In 2024, Dr. Fleitman's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and nerve and brain test (95806).
Where did Dr. Jay S. Fleitman go to medical school?
Dr. Fleitman graduated from State University of New York at Stony Brook, School of Medicine in 1979.
What drugs does Dr. Jay S. Fleitman prescribe most?
In 2024 Medicare Part D data, Dr. Fleitman's most prescribed drugs by claims were Zafirlukast, Trelegy Ellipta and Albuterol Sulfate Hfa.
Has Dr. Jay S. Fleitman received payments from drug or device companies?
CMS Open Payments shows $58,774 in general payments to Dr. Fleitman from 47 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Jay S. Fleitman been practicing?
Dr. Fleitman graduated from medical school in 1979, 47 years ago.
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