Charlotte Ter Haar, MD - Medicare Obstetrics & Gynecology in Orange, CA

Charlotte Ter Haar, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Orange, California. Her current practice location is 101 The City Dr S, Orange, California. You can reach out to her office (for appointments etc.) via phone at (714) 456-2911.

Charlotte Ter Haar is licensed to practice in California (license number A183786) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1740741560.

Contact Information

Charlotte Ter Haar, MD
101 The City Dr S,
Orange, CA 92868-3201
(714) 456-2911
Not Available

Map and Direction




Physician's Profile

Full NameCharlotte Ter Haar
GenderFemale
SpecialityObstetrics & Gynecology
Location101 The City Dr S, Orange, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1740741560
  • Provider Enumeration Date: 03/26/2019
  • Last Update Date: 10/23/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4486986155
  • Enrollment ID: I20230614001693

Medical Identifiers

Medical identifiers for Charlotte Ter Haar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740741560NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A183786 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Charlotte Ter Haar allows following entities to bill medicare on her behalf.
Entity NameUniversity Of California Irvine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598790529
PECOS PAC ID: 5395658181
Enrollment ID: O20031107000431
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356304034
PECOS PAC ID: 0143128009
Enrollment ID: O20031230000251

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Charlotte Ter Haar is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Charlotte Ter Haar, MD
706 W Barry Ave Apt 2b,
Chicago, IL 60657-4584

Ph: (925) 326-5337
Charlotte Ter Haar, MD
101 The City Dr S,
Orange, CA 92868-3201

Ph: (714) 456-2911

Reviews and Comments


Obstetrics & Gynecology Doctors in Orange, CA

Dr. Laura Catherine Skoczylas, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Building 56, Department Of Ob/gyn, Orange, CA 92868
Phone: 714-456-8224    Fax: 714-456-8360
Gelareh Renee Nikpour-heravi, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2501 E Chapman Ave Ste 201-202, Orange, CA 92869
Phone: 714-282-1892    Fax: 714-289-3906
Jennefer Allyn Russo, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 700 S. Tustin Street, Orange, CA 92866
Phone: 714-633-6373    Fax: 714-532-2522
Dr. Madushka Yohan De Zoysa, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-880-7812    
Dr. Tamera Hatfield, MD, PHD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 200 S. Manchester Ave, Suite 600, Orange, CA 92868
Phone: 714-456-2911    Fax: 714-456-8383
Dr. Stephanie J. Warsheski, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 3800 W Chapman Ave Ste 3400, Orange, CA 92868
Phone: 714-456-7733    
Martin Jerry Feldman, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1310 W Stewart Dr, Suite 606, Orange, CA 92868
Phone: 714-997-9494    Fax: 714-997-9674

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.