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Dr. Justin Joseph Stewart, DO
NPI1639150717PAC ID2062635659
- Medicare services, 2024
- 15
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 66
- Publications
- 2
- MIPS score, 2024
- 100
- Practice address
- 2546 Balltown Rd, Schenectady, NY 12309
- Practice phone
- Call (518) 525-5634
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Peter's Health Partners Medical Associates
Schenectady, New York
Find Dr. Stewart'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. Justin Joseph Stewart is an internist in Schenectady, New York
Dr. Stewart practices at St. Peter's Health Partners Medical Associates in Schenectady, New York.
Dr. Stewart's NPI, 1639150717, was assigned on November 7, 2005. Dr. Stewart holds New York license 330014.
NPI and contact details
- NPI
- 1639150717NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062635659
- NPI enumeration date
- November 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (518) 525-5634
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin Joseph Stewart practices at St. Peter's Health Partners Medical Associates in Schenectady, New York
Dr. Stewart's primary practice is St. Peter's Health Partners Medical Associates, at 2546 Balltown Rd, Schenectady, NY 12309 in Schenectady County. The practice phone is (518) 525-5634.
- St. Peter's Health Partners Medical Associates2546 Balltown Rd, Schenectady, NY 12309 · Schenectady CountyPhone(518) 525-5634
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Justin Joseph Stewart is affiliated with 6 sites of care and 2 medical groups
Dr. Stewart's primary practice is St. Peter's Health Partners Medical Associates in Schenectady, New York. Dr. Stewart is also affiliated with St. Peter's Hospital. The medical group on file is St. Peter's Medical Associates. Dmand AI also links Dr. Stewart to 1 more hospital, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
St. Peter's Health Partners Medical AssociatesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Justin Joseph Stewart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stewart practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Peter's Health Partners Medical Associates | 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. Justin Joseph Stewart is one of 9,643 internists in New York
Internal medicine is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Stewart's licenses on file in 2 states: New York and Texas.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- Texas license
Internists near Dr. Stewart
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. Justin Joseph Stewart billed Medicare for 15 services in 2024
CMS data shows 15 Medicare services from Dr. Stewart across 1 procedure code in 2024, all of them office visits, for 30 Medicare patients. Medicare paid $1,126 for them. Every service was in an office.
Medicare services, 202415
Medicare patients30
Paid by Medicare$1,126
Procedure codes1
Dr. Stewart compared with the New York median for internists, 2024
- Dr. Stewart
- New York median
- Medicare services
- 15vs 42696% below
- Medicare patients
- 30vs 15881% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Stewart'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.
Need commercial claims for Dr. Stewart?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stewart and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Justin Joseph Stewart treated 30 Medicare patients in 2024, average age 76
CMS counts 30 Medicare patients who saw Dr. Stewart in 2024. The largest group is 75 to 84, with 13 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stewart's median patient age at 71, with 51% women.
Medicare patients, 202430
Average age76
Average risk score1.25
Dr. Stewart's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stewart's Medicare patients by sex, 2024
- Women1550%
- Men1550%
Chronic conditions among Dr. Stewart's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes53%
- Anxiety37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stewart's 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
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justin Joseph Stewart wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Stewart wrote 66 Medicare Part D claims for 40 patients. 91% of them were for generic drugs.
Part D claims, 202466
Part D patients40
Dr. Stewart's Part D claims by kind of drug, 2024
- Generic60 claims91%
- Brand-name and other6 claims9%
Drug classes CMS tracks in Dr. Stewart's Part D claims, 2024
- Antibiotics17%11 of 66 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Justin Joseph Stewart scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Stewart for performance year 2024, reported through an alternative payment model (APM). Dr. Stewart accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Stewart's MIPS scores, performance year 2024
- 100of 100Final score
- 89of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Justin Joseph Stewart has 2 publications on record
Dmand AI links 2 papers to Dr. Stewart. The most frequent topics are Military Personnel. Dr. Stewart has published most often in Mil Med. Dr. Stewart's most frequent co-author is Diane M. Flynn, MD.
Papers2
Topics Dr. Stewart writes about most
- Military Personnel
Dr. Stewart's most frequent co-authors
Recent publications by Dr. Stewart
Mil Med
Machine LearningMilitary Personnel
See who Dr. Stewart researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stewart 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. Justin Joseph Stewart received $1,710 in industry payments from 2024 to 2025
CMS Open Payments shows 86 general payments to Dr. Stewart from 23 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $320.
General payments to Dr. Stewart by program year, 2024 to 2025
Companies that paid Dr. Stewart the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Justin Joseph Stewart'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 (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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. Justin Joseph Stewart
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. Justin Joseph Stewart's NPI number?
Dr. Justin Joseph Stewart's NPI number is 1639150717. It was assigned on November 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin Joseph Stewart?
Dr. Justin Joseph Stewart is an internist in Schenectady, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Justin Joseph Stewart practice?
Dr. Stewart practices at 2546 Balltown Rd, Schenectady, NY 12309. Dr. Stewart's primary practice is St. Peter's Health Partners Medical Associates in Schenectady, New York. Dmand AI also links Dr. Stewart to 1 hospital, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Justin Joseph Stewart's office phone number?
The practice phone on file for Dr. Stewart is (518) 525-5634.
What is Dr. Justin Joseph Stewart's medical license number?
Dr. Stewart holds New York license 330014, one of the licenses on file in 2 states.
Which states has Dr. Justin Joseph Stewart been licensed in?
Dmand AI has state licenses on file for Dr. Stewart in New York and Texas.
Which hospitals is Dr. Justin Joseph Stewart affiliated with?
Dr. Stewart is affiliated with St. Peter's Hospital. Dmand AI links Dr. Stewart to 1 more hospital.
What medical group is Dr. Justin Joseph Stewart part of?
Dr. Stewart is linked to St. Peter's Medical Associates. Dmand AI links Dr. Stewart to 1 more medical group.
Does Dr. Justin Joseph Stewart accept Medicare?
Yes. CMS data shows Dr. Stewart billed Medicare for 15 services in 2024, and Dr. Stewart accepts Medicare assignment.
What is Dr. Justin Joseph Stewart's MIPS score?
Dr. Stewart's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Justin Joseph Stewart see?
CMS counts 30 Medicare patients who saw Dr. Stewart in 2024, with an average age of 76.
What services does Dr. Justin Joseph Stewart bill to Medicare?
In 2024, Dr. Stewart's most billed Medicare services were office visit, established patient (99214).
Has Dr. Justin Joseph Stewart received payments from drug or device companies?
CMS Open Payments shows $1,710 in general payments to Dr. Stewart from 23 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Justin Joseph Stewart been practicing?
Dr. Stewart graduated from medical school in 2002, 24 years ago.
Does Dr. Justin Joseph Stewart do research?
Dmand AI links 2 publications to Dr. Stewart.
Who does Dr. Justin Joseph Stewart publish with?
Dr. Stewart's most frequent co-authors are Diane M. Flynn, MD (1 shared paper).
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