NADINE KALAVAZOFF MD
NPI 1881941441
Hospitalist in Wilkes Barre, PA
About Nadine Kalavazoff Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NADINE KALAVAZOFF MD (NPI 1881941441) is an individual hospitalist provider in Wilkes Barre, Pennsylvania, licensed in Pennsylvania (MD475896) and active in the NPI registry since August 2012. She is enrolled in Medicare PECOS, is affiliated with St Peter's Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Nadine Kalavazoff 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 Reassignments
4Medicare enrollment records show Nadine Kalavazoff reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wilkes Barre, PA 18711
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 clinicians in this Medicare group
Muncy, PA 17756
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,405 clinicians in this Medicare group
Slingerlands, NY 12159
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: St Peters Hospital Of The City Of Albany
- 623 clinicians in this Medicare group
Troy, NY 12180
- Reassigned Medicare billing, New York enrollment
- 725 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Peter's Hospital
Acute Care Hospitals · Albany, NYSamaritan Hospital Of Troy, New York
Acute Care Hospitals · Troy, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18711 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WILKES BARRE, PA 18711
WILKES BARRE, PA 18711
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 Nadine Kalavazoff's NPI number?
The NPI number for Nadine Kalavazoff is 1881941441. It was assigned to this individual provider in the NPPES registry on August 13, 2012.
Where is Nadine Kalavazoff located?
Nadine Kalavazoff practices at 1000 E Mountain Blvd, Wilkes Barre, PA 18711. The listed phone number is (570) 808-7399.
What is Nadine Kalavazoff's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Nadine Kalavazoff enrolled in Medicare?
Yes. Nadine Kalavazoff 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 organizations bill Medicare for Nadine Kalavazoff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nadine Kalavazoff reassigns Medicare benefits to 4 organizations: Geisinger Clinic (Wilkes Barre, PA), Geisinger-Hm Joint Venture LLC (Muncy, PA), St. Peter's Hospital Of The City Of Albany (Slingerlands, NY) and Samaritan Hospital Of Troy, New York (Troy, NY). Each 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 Nadine Kalavazoff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nadine Kalavazoff accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Nadine Kalavazoff 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.
Is Nadine Kalavazoff affiliated with any hospitals?
According to CMS data, Nadine Kalavazoff is affiliated with St Peter's Hospital and Samaritan Hospital Of Troy, New York.
When was this NPI record last updated?
The NPPES record for Nadine Kalavazoff was last updated on December 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Nadine Kalavazoff, MD · NPI 1881941441
Hospitalist physician in Wilkes Barre, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 13, 2012.
## Identity
- **NPI:** 1881941441 (Entity type: Individual)
- **Enumerated:** August 13, 2012
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD475896 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 E MOUNTAIN BLVD, Wilkes Barre, PA 18711-0027
- **Phone:** (570) 808-7399 · **Fax:** (570) 808-5942
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Geisinger Clinic (NPI 1366492902, Wilkes Barre, PA); Geisinger-Hm Joint Venture LLC (NPI 1952076119, Muncy, PA); St. Peter's Hospital Of The City Of Albany (NPI 1073686069, Slingerlands, NY); Samaritan Hospital Of Troy, New York (NPI 1043267727, Troy, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** December 15, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1881941441) · Data from the CMS NPPES public registry.