Barbara Ha, - Medicare Obstetrics & Gynecology in Santa Clara, CA

  1. Home
  2. Obstetrics & Gynecology
  3. CA
  4. Santa Clara
Barbara Ha, is a medicare enrolled "Obstetrics & Gynecology" physician in Santa Clara, California. Her current practice location is 700 Lawrence Expy, Santa Clara, California. You can reach out to her office (for appointments etc.) via phone at (408) 851-1000.

Barbara Ha is licensed to practice in California (license number 163935) 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 1396249371.

Contact Information

Barbara Ha,
700 Lawrence Expy,
Santa Clara, CA 95051-5173
(408) 851-1000
Not Available

Map and Direction




Physician's Profile

Full NameBarbara Ha
GenderFemale
SpecialityObstetrics & Gynecology
Location700 Lawrence Expy, Santa Clara, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1396249371
  • Provider Enumeration Date: 03/22/2018
  • Last Update Date: 09/24/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 7315374097
  • Enrollment ID: I20220917000162

Medical Identifiers

Medical identifiers for Barbara Ha such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396249371NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology D93866 (Maryland)Secondary
207V00000XObstetrics & Gynecology 163935 (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. Barbara Ha allows following entities to bill medicare on her behalf.
Entity NameJohns Hopkins University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922008549
PECOS PAC ID: 8921903147
Enrollment ID: O20031215000719

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. Barbara Ha 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
Barbara Ha,
700 Lawrence Expy,
Santa Clara, CA 95051-5173

Ph: (408) 851-1000		Barbara Ha,
700 Lawrence Expy,
Santa Clara, CA 95051-5173

Ph: (408) 851-1000

Reviews and Comments


Obstetrics & Gynecology Doctors in Santa Clara, CA

Andrea B. Hutchinson, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 710 Lawrence Expy, Santa Clara, CA 95051
Phone: 408-851-1000    
Dr. Emily Navarrete, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 700 Lawrence Expy, Santa Clara, CA 95051
Phone: 408-851-1000    
Shekar Davarya, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 710 Lawrence Expy, Department 390, Santa Clara, CA 95051
Phone: 408-851-3067    Fax: 408-851-3431
Marie Kristine Holzapfel, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 710 Lawrence Expy, Dept 390, Santa Clara, CA 95051
Phone: 408-554-9820    
Jennifer A. Cato, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 710 Lawrence Expy, Santa Clara, CA 95051
Phone: 408-851-1000    
Uyen P Huynh, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 710 Lawrence Expy, Women's Clinic, Santa Clara, CA 95051
Phone: 408-851-5000    
Ricci Regina Rivera Sylla, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 710 Lawrence Expy # 386, Santa Clara, CA 95051
Phone: 408-554-9820    

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.