DR. SYLVESTER DOROBISZ MD
NPI 1508363789
Internal Medicine - Nephrology in West Haven, CT
About Dr. Sylvester Dorobisz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SYLVESTER DOROBISZ MD (NPI 1508363789) is an individual nephrology provider in West Haven, Connecticut, licensed in Connecticut (72443) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Sylvester Dorobisz 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.
Medicare Billing Reassignment
Medicare enrollment records show Sylvester Dorobisz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Branford, CT 06405
- Reassigned Medicare billing, Connecticut enrollment
- 156 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.
Areas of Expertise CMS Part B claims 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06516 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST HAVEN, CT 06516
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 Sylvester Dorobisz's NPI number?
The NPI number for Sylvester Dorobisz is 1508363789. It was assigned to this individual provider in the NPPES registry on April 12, 2018.
Where is Sylvester Dorobisz located?
Sylvester Dorobisz practices at 1 Cellini Pl Ste 102, West Haven, CT 06516. The listed phone number is (203) 799-1252.
What is Sylvester Dorobisz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Sylvester Dorobisz enrolled in Medicare?
Yes. Sylvester Dorobisz 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 Sylvester Dorobisz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sylvester Dorobisz reassigns Medicare benefits to Hhc Physician Services, PLLC (Branford, 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 Sylvester Dorobisz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sylvester Dorobisz accept?
Health plans from Anthem Blue Cross and Blue Shield list Sylvester Dorobisz 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 Sylvester Dorobisz was last updated on August 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Dr. Sylvester Dorobisz, MD · NPI 1508363789
Nephrology physician in West Haven, Connecticut. Individual provider, active in the CMS NPPES registry since April 12, 2018.
## Identity
- **NPI:** 1508363789 (Entity type: Individual)
- **Enumerated:** April 12, 2018
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 72443 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 CELLINI PL STE 102, West Haven, CT 06516-1666
- **Phone:** (203) 799-1252 · **Fax:** (203) 799-3252
## 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:** Hhc Physician Services, PLLC (NPI 1609530237, Branford, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1508363789) · Data from the CMS NPPES public registry.