John Gerard Obrien, MD
Family Medicine Physician · Liverpool, NY
John Gerard Obrien, MD is a family medicine physician with a practice address in Liverpool, New York, and NPI 1467527655, issued on Nov 22, 2006. Check the license (New York 171189, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Gerard Obrien
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 171189 NY
Self-reported in NPPES; status is on the state search - Practice location
- 8100 Oswego Road, Liverpool, NY 13090
- Phone
- (315) 652-6551
- Enumerated
- Nov 22, 2006
- Record last updated
- May 22, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (315) 652-9698
- Medicaid ID
- 01918712 NY
- Medicare enrollment
- Enrolled (PECOS I20100921000860); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 1986
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Also registered at 8100 Oswego Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra BanasPhysician Assistant1891860086
- Kay Callahan, RN FNPFamily Nurse Practitioner1194890384
- Lauri Fairbanks Doane, DOFamily Medicine Physician1164597498
- Shawn Fazio, MDFamily Medicine Physician1437224755
- Heather Hudson-Delap, RPAPhysician Assistant1124193339
- Michael Nolan, MDGeneral Practice Physician1871661462
Verify John Gerard Obrien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 171189Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average family medicine physician in 2024
4,561 Medicare Part D claims for 631 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 55 claims were for opioids.
Most prescribed
- Atorvastatin Calcium388 claims
- Lisinopril375 claims
- Levothyroxine Sodium331 claims
- Amlodipine Besylate198 claims
- Omeprazole184 claims
- Simvastatin167 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Crouse Medical Practice PLLCLiverpool, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Gerard Obrien among 6,417 family medicine physician records in New York
John Gerard Obrien, MD is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1986 · median 2007 among the 4,188 with a school on file
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 family medicine physician records list a practice address in Liverpool
They are 36 of the 1,145 NPPES records with a practice address in Liverpool, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Liverpool → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sophie Alesna-Sabang, MDLiverpool, NY 130901790149714
- Zaki Badawy, MDLiverpool, NY 130901851682454
- Nancy Blake, MDLiverpool, NY 130901528000668
- Lauri Fairbanks Doane, DOLiverpool, NY 130901164597498
- Shawn Fazio, MDLiverpool, NY 130901437224755
- Heather Finger, MDLiverpool, NY 130901124127097
- Christian Holcomb, MDLiverpool, NY 130901124008263
- John Michaels, MDLiverpool, NY 130901497717441
Common questions
What is John Gerard Obrien, MD's NPI number?
John Gerard Obrien, MD's National Provider Identifier (NPI) is 1467527655, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Gerard Obrien, MD located?
The NPPES record lists a practice address at 8100 Oswego Road, Liverpool, NY, 13090. Phone: (315) 652-6551. Providers update this record themselves, so call before visiting.
How can I verify John Gerard Obrien, MD's license?
NPPES lists New York license number 171189, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Gerard Obrien, MD prescribe under Medicare Part D?
In 2024, John Gerard Obrien, MD had 4,561 Medicare Part D claims for 631 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.