Dr. John Peter O'Brien, MD
- Medicare services, 2024
- 673
- Medicare patients, 2024
- 231
- Part D claims, 2024
- 3,795
- Hospital affiliations
- 1
- Industry payments
- $1,066
- Practice address
- 301 Prospect Avenue, Syracuse, NY 13203
- Practice phone
- Call (315) 448-5111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. 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.
Dr. John Peter O'Brien is a family medicine physician in Syracuse, New York
Dr. O'Brien practices at St. Joseph's Health Hospital in Syracuse, New York, part of Trinity Health.
Dr. O'Brien's NPI, 1013123579, was assigned on May 14, 2007. Dr. O'Brien graduated from SUNY Upstate Medical University in 2004. Dr. O'Brien holds New York license 243461.
- NPI
- 1013123579NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406942424
- NPI enumeration date
- May 14, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (315) 448-5111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Peter O'Brien practices at St. Joseph's Health Hospital in Syracuse, New York
Dr. O'Brien's primary practice is St. Joseph's Health Hospital, at 301 Prospect Avenue, Syracuse, NY 13203 in Onondaga County. The practice phone is (315) 448-5111.
- St. Joseph's Health Hospital301 Prospect Avenue, Syracuse, NY 13203 · Onondaga CountyPhone(315) 448-5111
Source: Dmand AI Affiliation Data
Dr. John Peter O'Brien is affiliated with 4 sites of care and 3 medical groups
Dr. O'Brien's primary practice is St. Joseph's Health Hospital in Syracuse, New York, part of Trinity Health. The medical group on file is St. Joseph's Physicians Primary Care Center - OB/GYN. Dmand AI also links Dr. O'Brien to 2 more group practices and clinics, 2 medical groups and 1 home health agency, 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 Peter O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Joseph's Health Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Peter O'Brien is one of 5,260 family medicine physicians in New York
Family medicine is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. O'Brien is licensed in New York.
Specialties and state licenses
- Family medicine, New YorkPrimary
Family medicine physicians near Dr. O'Brien
Counts of family medicine physicians 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 Peter O'Brien billed Medicare for 673 services in 2024
CMS data shows 673 Medicare services from Dr. O'Brien across 15 procedure codes in 2024, for 231 Medicare patients. Medicare paid $34,593 for them.
Dr. O'Brien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3692024: 3916%
- Lab and pathology
- 2023: 02024: 145
- Surgery
- 2023: 02024: 70
- Other services
- 2023: 492024: 474%
- Tests and treatments
- 2023: 232024: 2013%
Where Dr. O'Brien's Medicare services took place, 2024
- In an office53479%
- In a facility13921%
Dr. O'Brien compared with the New York median for family medicine physicians, 2024
- Dr. O'Brien
- New York median
- Medicare services
- 673vs 3182.1 times
- Medicare patients
- 231vs 12979% above
- Part D claims
- 3,196vs 1,0723.0 times
Medians across 5,237 family medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. 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
Dr. John Peter O'Brien treated 231 Medicare patients in 2024, average age 73
CMS counts 231 Medicare patients who saw Dr. O'Brien in 2024. The largest group is 65 to 74, with 88 patients. 70% of them have high blood pressure, and 56% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 58, with 51% women.
Dr. O'Brien's Medicare patients by age, 2024
Dr. O'Brien's Medicare patients by sex, 2024
- Women11851%
- Men11349%
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- High blood pressure70%
- High cholesterol56%
- Arthritis36%
- Anxiety30%
- Mood disorders26%
- Diabetes25%
- Ischemic heart disease25%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 58
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Peter O'Brien wrote 3,795 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 3,795 Medicare Part D claims for 509 patients. 86% of them were for generic drugs. CMS names the drug for 3,196 of them, across 94 drugs with 11 or more claims each, at $263,920 in total drug cost. In 2023, CMS named 2,808 claims across 83 drugs.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic3,267 claims86%
- Brand-name490 claims13%
- Other38 claims1%
Dr. 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 Dr. O'Brien's Part D claims, 2024
- Opioids3%101 of 3,795 claims
- Antibiotics3%106 of 3,795 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,8082024: 3,19614%
Drugs named by CMS: 94 in 2024, 83 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
Dr. John Peter O'Brien offers telehealth to Medicare patients
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Peter O'Brien received $1,066 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. O'Brien from 10 drug and device companies from 2016 to 2025. Gifts make up the largest share, 79% of the total. Tosoh Bioscience, Inc. paid the most, $837.
General payments to Dr. O'Brien by program year, 2016 to 2025
General payments to Dr. O'Brien by kind, 2016 to 2025
- Gifts$83779%
- Food and beverage$22921%
Companies that paid Dr. O'Brien the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Peter O'Brien graduated from SUNY Upstate Medical University
Dr. O'Brien graduated from SUNY Upstate Medical University in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Peter 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 | 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) |
| 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) |
| 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 Peter 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 Dr. John Peter O'Brien's NPI number?
Dr. John Peter O'Brien's NPI number is 1013123579. It was assigned on May 14, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Peter O'Brien?
Dr. John Peter O'Brien is a family medicine physician in Syracuse, New York. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John Peter O'Brien practice?
Dr. O'Brien practices at 301 Prospect Avenue, Syracuse, NY 13203. Dr. O'Brien's primary practice is St. Joseph's Health Hospital in Syracuse, New York, part of Trinity Health. Dmand AI also links Dr. O'Brien to 2 group practices and clinics, 2 medical groups and 1 home health agency.
What is Dr. John Peter O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (315) 448-5111.
What is Dr. John Peter O'Brien's medical license number?
Dr. O'Brien holds New York license 243461.
Which hospitals is Dr. John Peter O'Brien affiliated with?
Dr. O'Brien practices at St. Joseph's Health Hospital in Syracuse, New York.
What medical group is Dr. John Peter O'Brien part of?
Dr. O'Brien is linked to St. Joseph's Physicians Primary Care Center - OB/GYN. Dmand AI links Dr. O'Brien to 2 more medical groups.
Does Dr. John Peter O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 673 services in 2024, and Dr. O'Brien accepts Medicare assignment.
Does Dr. John Peter O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Brien as offering telehealth services.
How many Medicare patients does Dr. John Peter O'Brien see?
CMS counts 231 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. John Peter O'Brien bill to Medicare?
In 2024, Dr. O'Brien's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
Where did Dr. John Peter O'Brien go to medical school?
Dr. O'Brien graduated from SUNY Upstate Medical University in 2004.
What drugs does Dr. John Peter O'Brien prescribe most?
In 2024 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Lisinopril.
Has Dr. John Peter O'Brien received payments from drug or device companies?
CMS Open Payments shows $1,066 in general payments to Dr. O'Brien from 10 companies from 2016 to 2025. The largest total came from Tosoh Bioscience, Inc.
How long has Dr. John Peter O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2004, 22 years ago.
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