CHARLOTTE TER HAAR MD
NPI 1740741560
Obstetrics & Gynecology in Orange, CA
About Charlotte Ter Haar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLOTTE TER HAAR MD (NPI 1740741560) is an individual obstetrics & gynecology provider in Orange, California, licensed in California (A183786) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2019).
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
Charlotte Ter Haar 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 Charlotte Ter Haar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Santa Ana, CA 92701
- Reassigned Medicare billing, California enrollment
- 255 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 92868 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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Charlotte Ter Haar's NPI number?
The NPI number for Charlotte Ter Haar is 1740741560. It was assigned to this individual provider in the NPPES registry on March 26, 2019.
Where is Charlotte Ter Haar located?
Charlotte Ter Haar practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-2911.
What is Charlotte Ter Haar's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Charlotte Ter Haar enrolled in Medicare?
Yes. Charlotte Ter Haar 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 Charlotte Ter Haar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charlotte Ter Haar reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (Orange, CA) and University Of California Irvine (Santa Ana, CA). 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 Charlotte Ter Haar'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 Charlotte Ter Haar was last updated on October 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Charlotte Ter Haar, MD · NPI 1740741560
Obstetrics & Gynecology physician in Orange, California. Individual provider, active in the CMS NPPES registry since March 26, 2019.
## Identity
- **NPI:** 1740741560 (Entity type: Individual)
- **Enumerated:** March 26, 2019
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A183786 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-2911
## 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): Regents Of The University Of California (NPI 1356304034, Orange, CA); University Of California Irvine (NPI 1851325906, Santa Ana, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2019
## Record status
- **NPPES last updated:** October 23, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1740741560) · Data from the CMS NPPES public registry.