DR. WILLIAM NEIL AMBROSINI (M.D.) – Anesthesiology Physician, NPI 1881662898

DR. WILLIAM NEIL AMBROSINI (M.D.) is a healthcare provider. based in Rochester, New York. specializing in ANESTHESIOLOGY. They hold the professional credentials M.D.. They hold a License No. 158785 (NY). The NPI Number for DR. WILLIAM NEIL AMBROSINI (M.D.) is 1881662898

Main info

Male
Sole Proprietor
43 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM NEIL AMBROSINI (M.D.)
NPI
1881662898
Phone
(585) 256-1018
Address
1065 SENATOR KEATING BLVD
Enumeration Date
8 March 2006
Last Update Date
17 March 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6072472200
Graduation Year
1983 (43 years ago)
PAC ID
5698947141
Group Practice PAC ID
0345154480
Professional Enrollment ID
I20111006000044
Address ID
NY148439684HO7329XNXXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

5,281 ANESTHESIOLOGY in NY

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Provider Addresses for DR. WILLIAM NEIL AMBROSINI (M.D.)

  • Westfall Surgery Center, 1065, Senator Keating Boulevard, Rochester, Monroe, New York, 14618, United States

    ROCHESTER, NY 146182673

    Phone: (585) 256-1018

    Type: Location

  • PO BOX 604

    BEDFORD PARK, IL 604990604

    Phone: (855) 457-9900

    Fax: (773) 714-1353

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2011-10-06

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20111006000044IAnesthesiologyNYTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
00142Anesthesia for lens surgery4545$0
01402Anesthesia for procedure for total knee joint replacement1717$0
64447Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)1313$0
View full utilization report →

Insurance plans in this area (ZIP 14618)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0345154480View full group profile
NameSpecialtyState
-TX
-NY
Internal Medicine, Hospice/Palliative CareNY
Nurse PractitionerNY
Physician AssistantNY
Physician AssistantPA
Family PracticeNY
Nurse PractitionerNY
-NY
Nurse PractitionerNY

Reviews

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Frequently asked questions

What NPI should I save for DR. WILLIAM NEIL AMBROSINI (M.D.)?
Save NPI 1881662898 if you need a stable reference for DR. WILLIAM NEIL AMBROSINI (M.D.).
Does this profile mean DR. WILLIAM NEIL AMBROSINI (M.D.) is currently active?
Yes — DR. WILLIAM NEIL AMBROSINI (M.D.) appears active in the national provider directory.
What does DR. WILLIAM NEIL AMBROSINI (M.D.) treat or focus on?
Patients typically see DR. WILLIAM NEIL AMBROSINI (M.D.) under the specialty Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
What location shows for DR. WILLIAM NEIL AMBROSINI (M.D.)?
We surface Rochester, New York for DR. WILLIAM NEIL AMBROSINI (M.D.) based on available NPPES addresses.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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