Allen Houshiar, DO, MS - Medicare Family Practice in Orange, CA

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Allen Houshiar, DO, MS is a medicare enrolled "Family Medicine" physician in Orange, California. He graduated from medical school in 2000 and has 24 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Providence Medical Foundation, Laguna Beach Urgent Care Inc and his current practice location is 2501 E Chapman Ave, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 628-3300.

Allen Houshiar is licensed to practice in California (license number 20A8021) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1427076272.

Contact Information

Allen Houshiar, DO, MS
2501 E Chapman Ave,
Orange, CA 92869-3204
(714) 628-3300
Not Available

Map and Direction




Physician's Profile

Full NameAllen Houshiar
GenderMale
SpecialityFamily Practice
Experience24 Years
Location2501 E Chapman Ave, Orange, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Allen Houshiar graduated from medical school in 2000
  NPI Data:
  • NPI Number: 1427076272
  • Provider Enumeration Date: 07/18/2006
  • Last Update Date: 10/21/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5294727467
  • Enrollment ID: I20040330001736

Medical Identifiers

Medical identifiers for Allen Houshiar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427076272NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 20A8021 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Medical Foundation89219932051293
Laguna Beach Urgent Care Inc94364465312

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. Allen Houshiar allows following entities to bill medicare on his behalf.
Entity NameProvidence Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285890624
PECOS PAC ID: 8921993205
Enrollment ID: O20040216001346
Entity NameFallbrook Medical Center, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881988814
PECOS PAC ID: 9638340847
Enrollment ID: O20110920000544
Entity NameOrange County Urgent Care #3, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497001200
PECOS PAC ID: 2062667306
Enrollment ID: O20130312000517
Entity NameLaguna Beach Urgent Care Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710340559
PECOS PAC ID: 9436446531
Enrollment ID: O20160916001217

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. Allen Houshiar 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
Allen Houshiar, DO, MS
32 Vintage,
Irvine, CA 92620-3409

Ph: (714) 878-4812		Allen Houshiar, DO, MS
2501 E Chapman Ave,
Orange, CA 92869-3204

Ph: (714) 628-3300

Reviews and Comments


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Dr. John Mark Geiss, D.O.
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Dr. Heather Dehaan, MD
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Hal S Shimazu, MD
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Shiho I Ito, MD
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Phone: 714-456-8888    

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.