MRS. DONNA ELIZABETH O'HARA AGACNP-BC
NPI 1790101269
Nurse Practitioner - Acute Care in Stamford, CT
About Mrs. Donna Elizabeth O'hara Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. DONNA ELIZABETH O'HARA AGACNP-BC (NPI 1790101269) is an individual acute care provider in Stamford, Connecticut, licensed in Connecticut (005562) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS and is a graduate of New York University Medical College - Nlg (2013).
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
Mrs. Donna Elizabeth O'hara Agacnp-bc 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 Donna O'hara reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stamford, CT 06907
- Reassigned Medicare billing, Connecticut enrollment
- 496 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 06904 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.
STAMFORD, CT 06904
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 Donna O'hara's NPI number?
The NPI number for Donna O'hara is 1790101269. It was assigned to this individual provider in the NPPES registry on March 8, 2014.
Where is Donna O'hara located?
Donna O'hara practices at One Hospital Plaza, Stamford, CT 06904. The listed phone number is (203) 276-7076.
What is Donna O'hara's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Donna O'hara enrolled in Medicare?
Yes. Donna O'hara 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 Donna O'hara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donna O'hara reassigns Medicare benefits to Stamford Health Medical Group Inc (Stamford, 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 Donna O'hara'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 Donna O'hara was last updated on April 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mrs. Donna Elizabeth O'hara, AGACNP-BC · NPI 1790101269
Acute Care physician in Stamford, Connecticut. Individual provider, active in the CMS NPPES registry since March 8, 2014.
## Identity
- **NPI:** 1790101269 (Entity type: Individual)
- **Enumerated:** March 8, 2014
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 005562 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** ONE HOSPITAL PLAZA, Stamford, CT 06904
- **Phone:** (203) 276-7076 · **Fax:** (203) 276-5924
## 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:** Stamford Health Medical Group Inc (NPI 1154633980, Stamford, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University Medical College - Nlg, class of 2013
## Record status
- **NPPES last updated:** April 19, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1790101269) · Data from the CMS NPPES public registry.