DR. ANCA OSTAS MD
NPI 1073190997
Internal Medicine in Danbury, CT
About Dr. Anca Ostas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANCA OSTAS MD (NPI 1073190997) is an individual internal medicine provider in Danbury, Connecticut, licensed in Connecticut (79291) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
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. Anca Ostas 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
2Medicare enrollment records show Anca Ostas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 818 clinicians in this Medicare group
Bridgeport, CT 06610
- Reassigned Medicare billing, Connecticut enrollment
- 1,824 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 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.
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 Anca Ostas's NPI number?
The NPI number for Anca Ostas is 1073190997. It was assigned to this individual provider in the NPPES registry on March 26, 2021.
Where is Anca Ostas located?
Anca Ostas practices at 24 Hospital Ave, Danbury, CT 06810. The listed phone number is (203) 688-4242.
What is Anca Ostas's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Anca Ostas enrolled in Medicare?
Yes. Anca Ostas 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 Anca Ostas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anca Ostas reassigns Medicare benefits to 2 organizations: Nuvance Health Medical Practice Ct, Inc. (Danbury, CT) and Northeast Medical Group, Inc. (Bridgeport, CT). 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 Anca Ostas'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 Anca Ostas was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. Anca Ostas, MD · NPI 1073190997
Internal Medicine physician in Danbury, Connecticut. Individual provider, active in the CMS NPPES registry since March 26, 2021.
## Identity
- **NPI:** 1073190997 (Entity type: Individual)
- **Enumerated:** March 26, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 79291 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 24 HOSPITAL AVE, Danbury, CT 06810-6077
- **Phone:** (203) 688-4242
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Nuvance Health Medical Practice Ct, Inc. (NPI 1407898117, Danbury, CT); Northeast Medical Group, Inc. (NPI 1043278351, Bridgeport, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** August 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1073190997) · Data from the CMS NPPES public registry.