DR. THEODORE E EISENSTAT (M.D.) – Colon & Rectal Surgery Physician, NPI 1619948536

DR. THEODORE E EISENSTAT (M.D.) is a healthcare provider. based in Edison, New Jersey. specializing in Colon & Rectal Surgery Physician. They hold the professional credentials M.D.. They hold a License No. 25MA02494100 (NJ). The NPI Number for DR. THEODORE E EISENSTAT (M.D.) is 1619948536

Main info

Male
Sole Proprietor
58 Years Of Experience
Accepts Medicare Assignment
Name
DR. THEODORE E EISENSTAT (M.D.)
NPI
1619948536
Phone
(732) 494-6640
Address
3900 PARK AVE
Enumeration Date
30 January 2006
Last Update Date
11 April 2024

Doctor Profile

Medical School Name
NEW YORK MEDICAL COLLEGE
Secondary Phone
7322357920
Graduation Year
1968 (58 years ago)
PAC ID
7719922046
Group Practice PAC ID
6507803210
Professional Enrollment ID
I20050627000791
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness75
Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for DR. THEODORE E EISENSTAT (M.D.)

  • 3900, Park Avenue, Edison, Middlesex County, New Jersey, 08820, United States

    SUITE 101

    EDISON, NJ 088203032

    Phone: (732) 494-6640

    Fax: (732) 549-8204

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $412.

Total Amount is formed as General ($412) + Research ($0) + Ownership ($0) = $412.

Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Medtronic, Inc. ($263).

Total Amount

$412

General + Research + Ownership

Payments

3

Total payment records

General Amount

$412

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-16

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Medtronic, Inc.$263
Kerecis Limited$150
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: 2005-06-27

PECOS data refreshed: 2026-05-27

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
I20050627000791IColorectal Surgery (Proctology)NJTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 08820)

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Provider's Procedures

DR. THEODORE E EISENSTAT (M.D.) performs procedures in Colon & Rectal Surgery Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
COLORECTAL SURGERY (PROCTOLOGY)NJ46600Diagnostic examination of the anus using an endoscope3939

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: 6507803210View full group profile
NameSpecialtyState
-NJ

Reviews

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Frequently asked questions

How do I look up DR. THEODORE E EISENSTAT (M.D.) by NPI?
Use NPI 1619948536 when you need to reference DR. THEODORE E EISENSTAT (M.D.) in forms, claims, or directories.
Is DR. THEODORE E EISENSTAT (M.D.)'s NPI currently valid?
The extract we use shows DR. THEODORE E EISENSTAT (M.D.) as active.
What kind of provider is DR. THEODORE E EISENSTAT (M.D.)?
The page reflects Colon & Rectal Surgery Physician for DR. THEODORE E EISENSTAT (M.D.). Clinical services aligned with this taxonomy classification.
What location metadata exists for DR. THEODORE E EISENSTAT (M.D.)?
The page summarizes Edison, New Jersey for DR. THEODORE E EISENSTAT (M.D.); expand the address list for detail.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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