Theodore Eisenstat, M.D.
NPI 1619948536 · Colon & Rectal Surgery Physician · Edison, NJ
Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Eisenstat, M.D. is a Colon & Rectal Surgery Physician provider in Edison, NJ (NPI 1619948536).
Provider details
- NPI number
- 1619948536
- Entity type
- Individual
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA02494100 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$297 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-30
- Last updated
- 2024-04-11
- Certified
- 2024-04-11
Frequently asked questions
- What is Theodore Eisenstat's NPI number?
- Theodore Eisenstat's National Provider Identifier (NPI) is 1619948536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Eisenstat's specialty?
- Theodore Eisenstat is listed in the NPPES registry with a primary specialty of Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Eisenstat located?
- Theodore Eisenstat's practice location on file with NPPES is 3900 Park Ave, Edison, NJ 08820-3032.
- What is Theodore Eisenstat's phone number?
- The practice phone number listed in the NPPES registry for Theodore Eisenstat is (732) 494-6640.
- Does Theodore Eisenstat accept Medicare?
- Theodore Eisenstat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Eisenstat's NPI active?
- Yes — Theodore Eisenstat's NPI (1619948536) is active in the NPPES registry as of the last update on 2024-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.