Quick answers
- Does Allen Houshiar accept Medicare assignment?
- Yes. Medicare's clinician data says Allen Houshiar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Allen Houshiar see?
- In 2024, CMS data shows 404 Original Medicare patients and 994 services for Allen Houshiar. This counts Original Medicare only and measures volume, not quality.
- What is Allen Houshiar's NPI number?
- 1427076272. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Allen Houshiar, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 404 |
|---|---|
| Services billed to Medicare | 994 |
| Different services or procedures | 70 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)306 services
- Injection, ceftriaxone sodium, per 250 mg (J0696)64 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)59 services
- X-ray of chest, 2 views (71046)50 services
- Urinalysis, manual test (81002)40 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol74%
- High blood pressure72%
- Arthritis49%
- Diabetes26%
- Ischemic heart disease26%
- Chronic kidney disease22%
Practice locations
Addresses where Allen Houshiar is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 E Valencia Mesa Dr, Suite 105Fullerton, CA 92835 (714) 871‑3006
- 1950 Sunny Crest Dr, Suite 2900Fullerton, CA 92835 (714) 992‑5350
- 2501 E Chapman AveOrange, CA 92869 (714) 633‑7175
- 32341 Coast HwyLaguna Beach, CA 92651 (909) 981‑9800
- 5630 E Santa Ana Canyon RdAnaheim, CA 92807 (714) 602‑2400
Group practices
Medicare enrollment lists Allen Houshiar as a member of these groups (CMS data updated October 2, 2026).
- Providence Medical Foundation1,466 clinicians in the group
- Laguna Beach Urgent Care Inc2 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Fullerton
Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.
Other clinicians in Providence Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427076272 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians