Dr. John A. Foster, MD
- Medicare services, 2024
- 33
- Medicare patients, 2024
- 35
- Part D claims, 2024
- 589
- Industry payments
- $9,792
- Affiliated sites
- 2
- Practice address
- 70 Fulton Street, Boston, MA 02109
- Practice phone
- Call (857) 772-7800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North End Rehabilitation & Healthcare Center
Skilled Nursing Facility · Boston, Massachusetts
Find Dr. Foster's professional email, personal email and mobile number
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Dr. John A. Foster is an internist in Boston, Massachusetts
Dr. Foster practices at North End Rehabilitation & Healthcare Center in Boston, Massachusetts.
Dr. Foster's NPI, 1194716753, was assigned on November 2, 2005. Dr. Foster graduated from Harvard Medical School in 1980. Dr. Foster holds Massachusetts license 58548.
- NPI
- 1194716753NPI Registry (opens in a new tab)
- NPI enumeration date
- November 2, 2005
- NPI status
- Active
- Practice phone
- (857) 772-7800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John A. Foster practices at North End Rehabilitation & Healthcare Center in Boston, Massachusetts
Dr. Foster's primary practice is North End Rehabilitation & Healthcare Center, at 70 Fulton Street, Boston, MA 02109 in Suffolk County. The practice phone is (857) 772-7800.
- North End Rehabilitation & Healthcare Center70 Fulton Street, Boston, MA 02109 · Suffolk CountyPhone(857) 772-7800
Source: Dmand AI Affiliation Data
Dr. John A. Foster is affiliated with 2 sites of care and 2 medical groups
Dr. Foster's primary practice is North End Rehabilitation & Healthcare Center in Boston, Massachusetts. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Foster to 1 more community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John A. Foster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Foster practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North End Rehabilitation & Healthcare Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John A. Foster is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Foster's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Foster is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Foster
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 A. Foster billed Medicare for 33 services in 2024
CMS data shows 33 Medicare services from Dr. Foster across 1 procedure code in 2024, for 35 Medicare patients. Medicare paid $285 for them. Every service was in an office.
Dr. Foster's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2922024: 3389%
- Imaging
- 2023: 1272024: 0100%
- Tests and treatments
- 2023: 672024: 0100%
- Other services
- 2023: 442024: 0100%
Dr. Foster compared with the Massachusetts median for internists, 2024
- Dr. Foster
- Massachusetts median
- Medicare services
- 33vs 43192% below
- Medicare patients
- 35vs 19482% below
- Part D claims
- 291vs 40228% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Foster'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John A. Foster treated 35 Medicare patients in 2024, average age 80
CMS counts 35 Medicare patients who saw Dr. Foster in 2024. The largest group is 75 to 84, with 19 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 37% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Foster's median patient age at 57, with 36% women.
Dr. Foster's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Foster's Medicare patients by sex, 2024
- Women2057%
- Men1543%
Chronic conditions among Dr. Foster's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Chronic kidney disease40%
- Ischemic heart disease37%
- Arthritis31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Foster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women36%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John A. Foster wrote 589 Medicare Part D claims in 2024
In 2024, Dr. Foster wrote 589 Medicare Part D claims for 112 patients. 90% of them were for generic drugs. CMS names the drug for 291 of them, across 12 drugs with 11 or more claims each, at $6,079 in total drug cost. In 2023, CMS named 1,643 claims across 53 drugs.
Dr. Foster's Part D claims by kind of drug, 2024
- Generic533 claims90%
- Brand-name and other56 claims10%
Dr. Foster'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6432024: 29182%
Drugs named by CMS: 12 in 2024, 53 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
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Dr. John A. Foster received $9,792 in industry payments from 2021 to 2023
CMS Open Payments shows 6 general payments to Dr. Foster from 3 drug and device companies from 2021 to 2023. Speaker and faculty fees make up the largest share, 100% of the total. Allergan Inc. paid the most, $9,745.
General payments to Dr. Foster by program year, 2021 to 2023
General payments to Dr. Foster by kind, 2021 to 2023
- Speaker and faculty fees$9,745100%
- Food and beverage$470%
Companies that paid Dr. Foster the most, 2021 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John A. Foster graduated from Harvard Medical School
Dr. Foster graduated from Harvard Medical School in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John A. Foster'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) |
| 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. Foster
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. Foster's NPI number?
Dr. John A. Foster's NPI number is 1194716753. It was assigned on November 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John A. Foster?
Dr. John A. Foster is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John A. Foster practice?
Dr. Foster practices at 70 Fulton Street, Boston, MA 02109. Dr. Foster's primary practice is North End Rehabilitation & Healthcare Center in Boston, Massachusetts. Dmand AI also links Dr. Foster to 1 community health center and 1 medical group.
What is Dr. John A. Foster's office phone number?
The practice phone on file for Dr. Foster is (857) 772-7800.
What is Dr. John A. Foster's medical license number?
Dr. Foster holds Massachusetts license 58548.
What medical group is Dr. John A. Foster part of?
Dr. Foster is linked to Massachusetts General Hospital. Dmand AI links Dr. Foster to 1 more medical group.
Does Dr. John A. Foster accept Medicare?
Yes. CMS data shows Dr. Foster billed Medicare for 33 services in 2024.
How many Medicare patients does Dr. John A. Foster see?
CMS counts 35 Medicare patients who saw Dr. Foster in 2024, with an average age of 80.
What services does Dr. John A. Foster bill to Medicare?
In 2024, Dr. Foster's most billed Medicare services were surgery: heart and blood vessels (36415).
Where did Dr. John A. Foster go to medical school?
Dr. Foster graduated from Harvard Medical School in 1980.
Show 3 more questionsShow fewer questions
What drugs does Dr. John A. Foster prescribe most?
In 2024 Medicare Part D data, Dr. Foster's most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Amlodipine Besylate.
Has Dr. John A. Foster received payments from drug or device companies?
CMS Open Payments shows $9,792 in general payments to Dr. Foster from 3 companies from 2021 to 2023. The largest total came from Allergan Inc.
How long has Dr. John A. Foster been practicing?
Dr. Foster graduated from medical school in 1980, 46 years ago.
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