Jonathan Stewart, PA-C
- Medicare patients, 2024
- 123
- Part D claims, 2024
- 144
- MIPS score, 2024
- 100
- Hospital affiliations
- 3
- Medical groups
- 3
- Practice address
- 20 York Street, New Haven, CT 06510
- Practice phone
- Call (203) 688-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale New Haven Psychiatric Hospital (York St)
Psychiatric Inpatient Facility · New Haven, Connecticut
Find Jonathan 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.
Jonathan Stewart is a physician assistant in New Haven, Connecticut
Jonathan Stewart practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Jonathan Stewart's NPI, 1801011556, was assigned on April 16, 2007. Jonathan Stewart holds Connecticut license 000815.
- NPI
- 1801011556NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012014939
- NPI enumeration date
- April 16, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 688-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jonathan Stewart practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Jonathan Stewart's primary practice is Yale New Haven Psychiatric Hospital (York St), at 20 York Street, New Haven, CT 06510. The practice phone is (203) 688-5900.
- Yale New Haven Psychiatric Hospital (York St)20 York Street, New Haven, CT 06510Phone(203) 688-5900
Source: Dmand AI Affiliation Data
Jonathan Stewart is affiliated with 5 sites of care and 3 medical groups
Jonathan Stewart's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Jonathan Stewart is also affiliated with Yale New Haven Hospital. The medical group on file is Northeast Medical Group. Dmand AI also links Jonathan Stewart to 2 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jonathan Stewart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jonathan Stewart practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale New Haven Psychiatric Hospital (York St) | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Jonathan Stewart is one of 1,682 physician assistants in Connecticut
Physician assistant is Jonathan Stewart's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Jonathan Stewart is licensed in Connecticut.
Specialties and state licenses
- Physician assistant, ConnecticutPrimary
Physician assistants near Jonathan Stewart
Counts of physician assistants 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
Jonathan Stewart treated 123 Medicare patients in 2024, average age 77
CMS counts 123 Medicare patients who saw Jonathan Stewart in 2024. The largest group is 75 to 84, with 39 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 3.09, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jonathan Stewart's median patient age at 74, with 57% women.
Jonathan Stewart's Medicare patients by age, 2024
Jonathan Stewart's Medicare patients by sex, 2024
- Women7259%
- Men5141%
Chronic conditions among Jonathan Stewart's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease61%
- Mood disorders60%
- Arthritis59%
- Heart failure57%
- Anxiety51%
- Depression49%
Share of Medicare patients with each condition. A patient can have several.
Jonathan 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 74
Patient panel by sex, all payers
- Women57%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jonathan Stewart wrote 144 Medicare Part D claims in 2024
In 2024, Jonathan Stewart wrote 144 Medicare Part D claims for 67 patients. 76% of them were for generic drugs.
Jonathan Stewart's Part D claims by kind of drug, 2024
- Generic109 claims76%
- Brand-name and other35 claims24%
Drug classes CMS tracks in Jonathan Stewart's Part D claims, 2024
- Antibiotics13%19 of 144 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
Jonathan 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 Jonathan Stewart for performance year 2024, reported through an alternative payment model (APM). Jonathan Stewart accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Jonathan Stewart's MIPS scores, performance year 2024
- 100of 100Final score
- 86.5of 100Quality
- 100of 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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Sources for Jonathan 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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) |
| 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 Jonathan 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 Jonathan Stewart's NPI number?
Jonathan Stewart's NPI number is 1801011556. It was assigned on April 16, 2007, and it is active in the NPI Registry.
What does Jonathan Stewart specialize in?
Jonathan Stewart is a physician assistant in New Haven, Connecticut. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jonathan Stewart practice?
Jonathan Stewart practices at 20 York Street, New Haven, CT 06510. Jonathan Stewart's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dmand AI also links Jonathan Stewart to 2 hospitals, 2 medical groups and 1 group practice or clinic.
What is Jonathan Stewart's office phone number?
The practice phone on file for Jonathan Stewart is (203) 688-5900.
What is Jonathan Stewart's medical license number?
Jonathan Stewart holds Connecticut license 000815.
Which hospitals is Jonathan Stewart affiliated with?
Jonathan Stewart is affiliated with Yale New Haven Hospital. Dmand AI links Jonathan Stewart to 2 more hospitals.
What medical group is Jonathan Stewart part of?
Jonathan Stewart is linked to Northeast Medical Group. Dmand AI links Jonathan Stewart to 2 more medical groups.
Does Jonathan Stewart accept Medicare?
Yes. CMS lists Jonathan Stewart as accepting Medicare assignment.
What is Jonathan Stewart's MIPS score?
Jonathan Stewart's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Jonathan Stewart see?
CMS counts 123 Medicare patients who saw Jonathan Stewart in 2024, with an average age of 77.
How long has Jonathan Stewart been practicing?
Jonathan Stewart graduated from medical school in 1998, 28 years ago.
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