William Neil Ambrosini, M.D.
Anesthesiology Physician · Rochester, NY
William Neil Ambrosini, M.D. is an anesthesiology physician with a practice address in Rochester, New York, and NPI 1881662898, issued on Mar 8, 2006. Check the license (New York 158785, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Neil Ambrosini
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 158785 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1065 Senator Keating Blvd, Rochester, NY 14618
- Phone
- (585) 256-1018
- Enumerated
- Mar 8, 2006
- Record last updated
- Mar 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 010139270 NY
- Medicare enrollment
- Enrolled (PECOS I20111006000044); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 5,062 in New York → Look up another NPI →
Also registered at 1065 Senator Keating Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- A Bodary, MDAnesthesiology Physician1205885076
- Michael Colicchio, RPAC PHYSICIAN ASSISPhysician Assistant1174610950
- Garlan FletcherHearing Instrument Specialist1114220753
- Joseph Hsu, MDGastroenterology Physician1023184645
Verify William Neil Ambrosini 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 158785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 95.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
3 hospitals and group practices
- Nicholas H Noyes Memorial HospitalDansville, NY · Acute Care Hospitals3 of 5 stars
- St James HospitalHornell, NY · Acute Care Hospitals3 of 5 stars
- U OF R Anesthesiology GroupRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William Neil Ambrosini among 5,062 anesthesiology physician records in New York
William Neil Ambrosini, M.D. is one of 5,062 anesthesiology physician records with a practice address in New York. 77% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 52% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1983 · median 2006 among the 3,612 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
267 anesthesiology physician records list a practice address in Rochester
They are 267 of the 20,520 NPPES records with a practice address in Rochester, and 5,062 anesthesiology physician records in New York.
All 5,062 in New York → Every provider in Rochester → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Kathryn Bailey, M.D.Rochester, NY 146181619966454
- A Bodary, MDRochester, NY 146181205885076
- Althea Hamilton, MDRochester, NY 146181508893991
- Richard Malehorn, M.D.Rochester, NY 146181700854601
- Daniel Ruffo, CRNARochester, NY 146181609934553
- Andrew Vierhile, MDRochester, NY 146181730103524
- Robert Dionisio, M.D.Rochester, NY 146201023321429
- Joseph JaffeRochester, NY 146201831103985
Common questions
What is William Neil Ambrosini, M.D.'s NPI number?
William Neil Ambrosini, M.D.'s National Provider Identifier (NPI) is 1881662898, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Neil Ambrosini, M.D. located?
The NPPES record lists a practice address at 1065 Senator Keating Blvd, Rochester, NY, 14618. Phone: (585) 256-1018. Providers update this record themselves, so call before visiting.
How can I verify William Neil Ambrosini, M.D.'s license?
NPPES lists New York license number 158785, 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.
What is William Neil Ambrosini, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.2 of 100. 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.