Stephen M. Killian, PA-C
- Medicare patients, 2024
- 347
- Part D claims, 2024
- 134
- Hospital affiliations
- 1
- Industry payments
- $20
- Medical group
- 1
- Practice address
- One-Five Plainsboro Road, Plainsboro, NJ 08536
- Practice phone
- Call (609) 853-6500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Stephen Killian'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.
Stephen M. Killian is a physician assistant in Plainsboro, New Jersey
Stephen Killian practices at Princeton Medical Center in Plainsboro, New Jersey, part of University of Pennsylvania.
Stephen Killian's NPI, 1841231826, was assigned on June 9, 2006. Stephen Killian holds New Jersey license MP00082200.
- NPI
- 1841231826NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961472576
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (609) 853-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephen M. Killian practices at 2 locations in Plainsboro, New Jersey
Stephen Killian's primary practice is Princeton Medical Center, at One-Five Plainsboro Road, Plainsboro, NJ 08536 in Middlesex County. The practice phone is (609) 853-6500. Stephen Killian also practices at Princeton Medical Center, 1 Plainsboro Rd, Plainsboro, NJ 08536.
- Princeton Medical CenterPrimaryOne-Five Plainsboro Road, Plainsboro, NJ 08536 · Middlesex CountyPhone(609) 853-6500
- Princeton Medical Center1 Plainsboro Rd, Plainsboro, NJ 08536 · Middlesex CountyPhone(609) 853-7000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Stephen M. Killian is affiliated with 2 sites of care and 1 medical group
Stephen Killian's primary practice is Princeton Medical Center in Plainsboro, New Jersey, part of University of Pennsylvania. The medical group on file is University Orthopaedic Associates. Dmand AI also links Stephen Killian to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stephen M. Killian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephen Killian practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Princeton Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephen M. Killian is one of 2,975 physician assistants in New Jersey
Physician assistant is Stephen Killian's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Stephen Killian is licensed in New Jersey.
Specialties and state licenses
- Physician assistant, New JerseyPrimary
Physician assistants near Stephen Killian
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
Stephen M. Killian treated 347 Medicare patients in 2024, average age 76
CMS counts 347 Medicare patients who saw Stephen Killian in 2024. The largest group is 65 to 74, with 148 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stephen Killian's median patient age at 58, with 54% women.
Stephen Killian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Stephen Killian's Medicare patients by sex, 2024
- Women22765%
- Men12035%
Chronic conditions among Stephen Killian's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis67%
- Diabetes28%
- Ischemic heart disease27%
- Osteoporosis26%
- Mood disorders23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Stephen Killian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women54%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stephen M. Killian wrote 134 Medicare Part D claims in 2024
In 2024, Stephen Killian wrote 134 Medicare Part D claims for 88 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Stephen Killian's Part D claims, 2024
- Opioids17%23 of 134 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
How Stephen M. Killian takes part in Medicare
Stephen Killian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Stephen M. Killian received $20 in industry payments in 2025
CMS Open Payments shows 1 general payment to Stephen Killian from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $20.
Companies that paid Stephen Killian the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Stephen M. Killian'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 Affiliation DataDmand AI Practice 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) |
| 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 Stephen M. Killian
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephen M. Killian's NPI number?
Stephen M. Killian's NPI number is 1841231826. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What does Stephen M. Killian specialize in?
Stephen M. Killian is a physician assistant in Plainsboro, New Jersey. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Stephen M. Killian practice?
Stephen Killian practices at One-Five Plainsboro Road, Plainsboro, NJ 08536. Stephen Killian also practices at 1 Plainsboro Rd, Plainsboro, NJ 08536. Stephen Killian's primary practice is Princeton Medical Center in Plainsboro, New Jersey, part of University of Pennsylvania. Dmand AI also links Stephen Killian to 1 group practice or clinic.
What is Stephen M. Killian's office phone number?
The practice phone on file for Stephen Killian is (609) 853-6500.
What is Stephen M. Killian's medical license number?
Stephen Killian holds New Jersey license MP00082200.
Which hospitals is Stephen M. Killian affiliated with?
Stephen Killian practices at Princeton Medical Center in Plainsboro, New Jersey.
What medical group is Stephen M. Killian part of?
Stephen Killian is linked to University Orthopaedic Associates.
Does Stephen M. Killian accept Medicare?
Yes. CMS lists Stephen Killian as accepting Medicare assignment.
How many Medicare patients does Stephen M. Killian see?
CMS counts 347 Medicare patients who saw Stephen Killian in 2024, with an average age of 76.
Has Stephen M. Killian received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Stephen Killian from 1 company from 2025 to 2025. The largest total came from Exact Sciences Corporation.
How long has Stephen M. Killian been practicing?
Stephen Killian graduated from medical school in 2001, 25 years ago.
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