DR. OMAR EZZIDDIN (M.D.) – Anesthesiology Physician, NPI 1821232901

DR. OMAR EZZIDDIN (M.D.) is a healthcare provider. based in Worcester, Massachusetts. specializing in ANESTHESIOLOGY. They hold the professional credentials M.D.. They hold a License No. 036131711 (IL). The NPI Number for DR. OMAR EZZIDDIN (M.D.) is 1821232901

Main info

Male
Sole Proprietor
17 Years Of Experience
Accepts Medicare Assignment
Name
DR. OMAR EZZIDDIN (M.D.)
NPI
1821232901
Phone
(508) 334-3271
Address
55 Lake Ave N
Enumeration Date
21 April 2009
Last Update Date
27 November 2023

Doctor Profile

Medical School Name
OHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Secondary Phone
4137941800
Graduation Year
2009 (17 years ago)
PAC ID
2567688989
Group Practice PAC ID
8921479809
Professional Enrollment ID
I20140721001804
Address ID
MA011071280SP50XXXAVEX301
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:17State licenses:1Digital endpointsOther names

2,323 ANESTHESIOLOGY in MA

Provider Addresses for DR. OMAR EZZIDDIN (M.D.)

  • 55 Lake Ave N

    Worcester, MA 016550002

    Phone: (508) 334-3271

    Type: Location

  • 908, Allen Street, East Forest Park, Springfield, Hampden County, Massachusetts, 01118, United States

    SPRINGFIELD, MA 011182533

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 15 Open Payments records for all available years, with a total value of $333.

Total Amount is formed as General ($333) + Research ($0) + Ownership ($0) = $333.

Last reported payment date: 2024-08-20 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($111).

Total Amount

$333

General + Research + Ownership

Payments

15

Total payment records

General Amount

$333

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-20

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

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: 2020-11-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20140721001804IAnesthesiologyMATBD
I20201104000152IAnesthesiologyCTTBD

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
00811Anesthesia for other procedure on large bowel using an endoscope115115$0
00812Anesthesia for exam of colon using an endoscope5252$0
00731Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope3838$0
00813Anesthesia for procedure on small and large bowel using an endoscope3838$0
View full utilization report →

Insurance plans in this area (ZIP 01655)

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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: 8921479809View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)CT
Certified Registered Nurse Anesthetist (Crna)MA
A N E S T H E S I O L O G YCT
Anesthesiology, Pain ManagementMA
Certified Registered Nurse Anesthetist (Crna)MA
Certified Registered Nurse Anesthetist (Crna)MA
Certified Registered Nurse Anesthetist (Crna)MA
Certified Registered Nurse Anesthetist (Crna)MA
Certified Registered Nurse Anesthetist (Crna)FL
Certified Registered Nurse Anesthetist (Crna)MA

Reviews

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Frequently asked questions

How do payers reference DR. OMAR EZZIDDIN (M.D.)?
For DR. OMAR EZZIDDIN (M.D.), use NPI 1821232901 as the unique 10-digit identifier.
Is DR. OMAR EZZIDDIN (M.D.) shown as active in public data?
Registry records indicate DR. OMAR EZZIDDIN (M.D.) maintains an active NPI.
How would a patient describe DR. OMAR EZZIDDIN (M.D.)'s focus?
For DR. OMAR EZZIDDIN (M.D.), the primary taxonomy reads as Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for DR. OMAR EZZIDDIN (M.D.)?
Travel planning: use Worcester, Massachusetts as the reference point for DR. OMAR EZZIDDIN (M.D.), then confirm.
Can I trust this NPI listing for DR. OMAR EZZIDDIN (M.D.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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