DR. NATALIYA K SOSTIN MD
NPI 1487049540
Pathology - Anatomic Pathology & Clinical Pathology in Danbury, CT
About Dr. Nataliya K Sostin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATALIYA K SOSTIN MD (NPI 1487049540) is an individual anatomic pathology & clinical pathology provider in Danbury, Connecticut, licensed in Connecticut (65148) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses 2
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. Nataliya K Sostin 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 Nataliya Sostin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hamden, CT 06514
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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 3
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 06810 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.
DANBURY, CT 06810
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 Nataliya Sostin's NPI number?
The NPI number for Nataliya Sostin is 1487049540. It was assigned to this individual provider in the NPPES registry on April 5, 2015.
Where is Nataliya Sostin located?
Nataliya Sostin practices at 24 Hospital Ave, Danbury, CT 06810. The listed phone number is (503) 332-4747.
What is Nataliya Sostin's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Nataliya Sostin enrolled in Medicare?
Yes. Nataliya Sostin 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 Nataliya Sostin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nataliya Sostin reassigns Medicare benefits to Yale University (Hamden, 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 Nataliya Sostin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Nataliya Sostin was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Nataliya K Sostin, MD · NPI 1487049540
Anatomic Pathology & Clinical Pathology physician in Danbury, Connecticut. Individual provider, active in the CMS NPPES registry since April 5, 2015.
## Identity
- **NPI:** 1487049540 (Entity type: Individual)
- **Enumerated:** April 5, 2015
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** 65148 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 24 HOSPITAL AVE, Danbury, CT 06810-6099
- **Phone:** (503) 332-4747
## 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:** Yale University (NPI 1134391824, Hamden, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** April 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1487049540) · Data from the CMS NPPES public registry.