Christopher J. O'Brien
- Medicare services, 2024
- 50
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 1,818
- Hospital affiliations
- 1
- Industry payments
- $645
- Practice address
- 6846 Buckley Rd, Syracuse, NY 13212
- Practice phone
- Call (315) 671-9950
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fms - Liverpool Dialysis Center
Syracuse, New York
Find Christopher O'Brien'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.
Christopher J. O'Brien is a physician assistant in Syracuse, New York
Christopher O'Brien practices at Fms - Liverpool Dialysis Center in Syracuse, New York.
Christopher O'Brien's NPI, 1780225623, was assigned on October 2, 2019. Christopher O'Brien holds New York license 024301.
- NPI
- 1780225623NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214360536
- NPI enumeration date
- October 2, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (315) 671-9950
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher J. O'Brien practices at Fms - Liverpool Dialysis Center in Syracuse, New York
Christopher O'Brien's primary practice is Fms - Liverpool Dialysis Center, at 6846 Buckley Rd, Syracuse, NY 13212 in Onondaga County. The practice phone is (315) 671-9950.
- Fms - Liverpool Dialysis Center6846 Buckley Rd, Syracuse, NY 13212 · Onondaga CountyPhone(315) 671-9950
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christopher J. O'Brien is affiliated with 3 sites of care and 1 medical group
Christopher O'Brien's primary practice is Fms - Liverpool Dialysis Center in Syracuse, New York. Christopher O'Brien is also affiliated with Oswego Hospital. The medical group on file is Nephrology Hypertension Associates of CNY. Dmand AI also links Christopher O'Brien to 1 more group practice or clinic, 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 Christopher J. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fms - Liverpool Dialysis Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Christopher J. O'Brien is one of 11,456 physician assistants in New York
Physician assistant is Christopher O'Brien's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Christopher O'Brien is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Christopher O'Brien
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
Christopher J. O'Brien billed Medicare for 50 services in 2024
CMS data shows 50 Medicare services from Christopher O'Brien across 4 procedure codes in 2024, for 20 Medicare patients. Medicare paid $502 for them. Every service was in an office.
Christopher O'Brien's Medicare services by type, 2024
- Lab and pathology39
- Office and hospital visits11
Christopher O'Brien compared with the New York median for physician assistants, 2024
- Christopher O'Brien
- New York median
- Medicare services
- 50vs 17672% below
- Medicare patients
- 20vs 7874% below
- Part D claims
- 1,392vs 2455.7 times
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
Christopher O'Brien'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
Christopher J. O'Brien treated 20 Medicare patients in 2024, average age 73
CMS counts 20 Medicare patients who saw Christopher O'Brien in 2024. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 3.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Christopher O'Brien's median patient age at 74, with 35% women.
Chronic conditions among Christopher O'Brien's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes65%
- Ischemic heart disease60%
- Heart failure55%
Share of Medicare patients with each condition. A patient can have several.
Christopher O'Brien'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
- Women35%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher J. O'Brien wrote 1,818 Medicare Part D claims in 2024
In 2024, Christopher O'Brien wrote 1,818 Medicare Part D claims for 407 patients. 76% of them were for generic drugs. CMS names the drug for 1,392 of them, across 40 drugs with 11 or more claims each, at $303,247 in total drug cost.
Christopher O'Brien's Part D claims by kind of drug, 2024
- Generic1,376 claims76%
- Brand-name430 claims24%
- Other12 claims1%
Christopher O'Brien'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 Christopher O'Brien's Part D claims, 2024
- Opioids1%18 of 1,818 claims
- Antibiotics2%44 of 1,818 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Christopher J. O'Brien takes part in Medicare
Christopher O'Brien 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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Christopher J. O'Brien received $645 in industry payments in 2025
CMS Open Payments shows 28 general payments to Christopher O'Brien from 15 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $105.
Companies that paid Christopher O'Brien 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 Christopher J. O'Brien'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) |
| 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 Christopher J. O'Brien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christopher J. O'Brien's NPI number?
Christopher J. O'Brien's NPI number is 1780225623. It was assigned on October 2, 2019, and it is active in the NPI Registry.
What does Christopher J. O'Brien specialize in?
Christopher J. O'Brien is a physician assistant in Syracuse, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Christopher J. O'Brien practice?
Christopher O'Brien practices at 6846 Buckley Rd, Syracuse, NY 13212. Christopher O'Brien's primary practice is Fms - Liverpool Dialysis Center in Syracuse, New York. Dmand AI also links Christopher O'Brien to 1 group practice or clinic.
What is Christopher J. O'Brien's office phone number?
The practice phone on file for Christopher O'Brien is (315) 671-9950.
What is Christopher J. O'Brien's medical license number?
Christopher O'Brien holds New York license 024301.
Which hospitals is Christopher J. O'Brien affiliated with?
Christopher O'Brien is affiliated with Oswego Hospital.
What medical group is Christopher J. O'Brien part of?
Christopher O'Brien is linked to Nephrology Hypertension Associates of CNY.
Does Christopher J. O'Brien accept Medicare?
Yes. CMS data shows Christopher O'Brien billed Medicare for 50 services in 2024, and Christopher O'Brien accepts Medicare assignment.
How many Medicare patients does Christopher J. O'Brien see?
CMS counts 20 Medicare patients who saw Christopher O'Brien in 2024, with an average age of 73.
What services does Christopher J. O'Brien bill to Medicare?
In 2024, Christopher O'Brien's most billed Medicare services were lab and pathology test (82043), lab and pathology test (82570) and lab and pathology test (84156).
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What drugs does Christopher J. O'Brien prescribe most?
In 2024 Medicare Part D data, Christopher O'Brien's most prescribed drugs by claims were Furosemide, Lisinopril and Amlodipine Besylate.
Has Christopher J. O'Brien received payments from drug or device companies?
CMS Open Payments shows $645 in general payments to Christopher O'Brien from 15 companies from 2025 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Christopher J. O'Brien been practicing?
Christopher O'Brien graduated from medical school in 2019, 7 years ago.
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