JACOB HENRY ZASLAVSKY
NPI 1225599616
Internal Medicine - Rheumatology in Norwalk, CT
About Jacob Henry Zaslavsky NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACOB HENRY ZASLAVSKY (NPI 1225599616) is an individual rheumatology provider in Norwalk, Connecticut, licensed in Connecticut (82275) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Rowan University School Of Osteopathic Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jacob Henry Zaslavsky 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.
Medicare Billing Reassignment
Medicare enrollment records show Jacob Zaslavsky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 818 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06851 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORWALK, CT 06851
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 Jacob Zaslavsky's NPI number?
The NPI number for Jacob Zaslavsky is 1225599616. It was assigned to this individual provider in the NPPES registry on March 27, 2019.
Where is Jacob Zaslavsky located?
Jacob Zaslavsky practices at 761 Main Ave Ste 114A, Norwalk, CT 06851. The listed phone number is (203) 852-2290.
What is Jacob Zaslavsky's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Jacob Zaslavsky enrolled in Medicare?
Yes. Jacob Zaslavsky 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.
Which organization bills Medicare for Jacob Zaslavsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Zaslavsky reassigns Medicare benefits to Nuvance Health Medical Practice Ct, Inc. (Danbury, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jacob Zaslavsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jacob Zaslavsky accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Health list Jacob Zaslavsky as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Jacob Zaslavsky was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Jacob Henry Zaslavsky · NPI 1225599616
Rheumatology physician in Norwalk, Connecticut. Individual provider, active in the CMS NPPES registry since March 27, 2019.
## Identity
- **NPI:** 1225599616 (Entity type: Individual)
- **Enumerated:** March 27, 2019
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 82275 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 761 MAIN AVE STE 114A, Norwalk, CT 06851-1080
- **Phone:** (203) 852-2290
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Nuvance Health Medical Practice Ct, Inc. (NPI 1407898117, Danbury, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rowan University School Of Osteopathic Medicine, class of 2019
## Record status
- **NPPES last updated:** June 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1225599616) · Data from the CMS NPPES public registry.