Rosalie Margaret O'Brien
Family Nurse Practitioner · Rochester, NY
Rosalie Margaret O'Brien is a family nurse practitioner with a practice address in Rochester, New York, and NPI 1003535816, issued on Aug 24, 2022. Check the license (New York 733734, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rosalie Margaret O'Brien
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 733734 NY
350542 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4901 Lac DE Ville Blvd, Rochester, NY 14618
- Phone
- (585) 275-5321
- Enumerated
- Aug 24, 2022
- Record last updated
- Mar 12, 2025
- Fax
- (585) 320-1031
- Medicare enrollment
- Enrolled (PECOS I20221129002168); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 4901 Lac DE Ville Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Allan Bernstein, M.D.Diagnostic Radiology Physician1134156219
- Peter Browne, DPTOrthopedic Physical Therapist1144007394
- Jenna Bush, DPTPhysical Therapist1205067253
Verify Rosalie Margaret O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 733734Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family nurse practitioner in 2024
322 Medicare Part D claims for 102 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 29 claims were for opioids.
Most prescribed
- Alendronate Sodium174 claims
- Oxycodone Hcl25 claims
- Amoxicillin21 claims
- Teriparatide13 claims
- Ciprofloxacin Hcl11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- University OF RochesterRochester, NY
- University OF Rochester Orthopaedic Oncology DivisionRochester, NY
- University Orthopaedic Associates OF RochesterRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rosalie Margaret O'Brien among 14,805 family nurse practitioner records in New York
Rosalie Margaret O'Brien is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 70% of them.
- NPI issued2022 · 70% of these records are older, 24% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2022 · median 2019 among the 7,239 with a school on file
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
803 family nurse practitioner records list a practice address in Rochester
They are 803 of the 20,520 NPPES records with a practice address in Rochester, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Rochester → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
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- Phyllis Christopher, FNPRochester, NY 146181164411153
- Michelle Dugan, NPRochester, NY 146181912910886
- Sandra Glantz, FNPRochester, NY 146181881663052
- Jacqueline Hagelberg, F.N.PRochester, NY 146181285621904
- Diane Hilton, FNPRochester, NY 146181801884044
- Leigh Houghton, NPRochester, NY 146181275610420
Common questions
What is Rosalie Margaret O'Brien's NPI number?
Rosalie Margaret O'Brien's National Provider Identifier (NPI) is 1003535816, issued on Aug 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Rosalie Margaret O'Brien located?
The NPPES record lists a practice address at 4901 Lac DE Ville Blvd, Rochester, NY, 14618. Phone: (585) 275-5321. Providers update this record themselves, so call before visiting.
How can I verify Rosalie Margaret O'Brien's license?
NPPES lists New York license number 733734, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Rosalie Margaret O'Brien prescribe under Medicare Part D?
In 2024, Rosalie Margaret O'Brien had 322 Medicare Part D claims for 102 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Rosalie Margaret O'Brien's MIPS final score?
The 2023 MIPS final score is 88.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.