DR. SUSAN ALLISON IRONSTONE MD
NPI 1184854838
Anesthesiology in Worcester, MA

Active since July 15, 2009PECOS EnrolledAccepts Medicare Assignment
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-3271(508) 856-5911 Get Directions Write a Review

NPPES record last updated: February 1, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 1, 2023, Nov 15, 2016 (2 updates tracked since 2016).

About Dr. Susan Allison Ironstone Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SUSAN ALLISON IRONSTONE MD (NPI 1184854838) is an individual anesthesiology provider in Worcester, Massachusetts, licensed in Massachusetts (270260) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and maintains a secondary practice location in Pittsfield.

NPPES Registry Identity

NPI1184854838
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. SUSAN ALLISON IRONSTONECredential: MD
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing AddressPo Box 415348Boston, MA 02241-5348
Fax(508) 856-5911
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 15, 2009
Last NPPES UpdateFebruary 1, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 1, 2023
NPI 1184854838 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses Licensed in MA · 270260 Licensed in MO · 2014021714
Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License 270260 (MA)
55 LAKE AVE N, Worcester, MA 01655

Secondary Practice Location 1

Location 1725 North StPittsfield, MA 01201 · Phone (413) 395-7655

Other Identifiers 1

Medicaid110122583AMA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Susan Allison Ironstone Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193942175
PECOS Enrollment IDI20170803002740
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810
Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Susan Ironstone's NPI number?

The NPI number for Susan Ironstone is 1184854838. It was assigned to this individual provider in the NPPES registry on July 15, 2009.

Where is Susan Ironstone located?

Susan Ironstone practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-3271.

What is Susan Ironstone's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Susan Ironstone enrolled in Medicare?

Yes. Susan Ironstone is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Susan Ironstone affiliated with any hospitals?

According to CMS data, Susan Ironstone is affiliated with Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Susan Ironstone was last updated on February 1, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.