DR. EWA KONTNY M.D.
NPI 1598916587
Hospitalist in Irvine, CA
About Dr. Ewa Kontny M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EWA KONTNY M.D. (NPI 1598916587) is an individual hospitalist provider in Irvine, California, licensed in California (A116169) and active in the NPI registry since October 2008. She is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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. Ewa Kontny M.d. 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 Ewa Kontny reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Irvine, CA 92618
- Reassigned Medicare billing, California enrollment
- 105 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 5
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 92618 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.
Referred Medical Equipment & Supplies CMS DME claims 7
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.
IRVINE, CA 92618
IRVINE, CA 92618
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 Ewa Kontny's NPI number?
The NPI number for Ewa Kontny is 1598916587. It was assigned to this individual provider in the NPPES registry on October 8, 2008.
Where is Ewa Kontny located?
Ewa Kontny practices at 16200 Sand Canyon Ave, Irvine, CA 92618. The listed phone number is (888) 655-8463.
What is Ewa Kontny's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ewa Kontny enrolled in Medicare?
Yes. Ewa Kontny 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 Ewa Kontny's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ewa Kontny reassigns Medicare benefits to Pacific Hospitalist Associates A Medical Corporation (Irvine, CA). 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 Ewa Kontny'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 Ewa Kontny was last updated on May 8, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Ewa Kontny, M.D. · NPI 1598916587
Hospitalist physician in Irvine, California. Individual provider, active in the CMS NPPES registry since October 8, 2008.
## Identity
- **NPI:** 1598916587 (Entity type: Individual)
- **Enumerated:** October 8, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A116169 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 16200 SAND CANYON AVE, Irvine, CA 92618-3714
- **Phone:** (888) 655-8463 · **Fax:** (888) 990-0671
## 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:** Pacific Hospitalist Associates A Medical Corporation (NPI 1356669790, Irvine, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** May 8, 2017
- **Other identifiers:** Other P01002245 (CA); Medicare PIN FG263Z (CA); Other 39020000X (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1598916587) · Data from the CMS NPPES public registry.