Quick answers
- Does Khodadad Mehraein accept Medicare assignment?
- Yes. Medicare's clinician data says Khodadad Mehraein 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 Khodadad Mehraein see?
- In 2024, CMS data shows 1,566 Original Medicare patients and 12,034 services for Khodadad Mehraein. This counts Original Medicare only and measures volume, not quality.
- What is Khodadad Mehraein's NPI number?
- 1316147374. 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 Khodadad Mehraein, 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 | 1,566 |
|---|---|
| Services billed to Medicare | 12,034 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)6,197 services
- Special stained specimen slides to examine tissue including interpretation and report (88313)3,316 services
- Special stained specimen slides to examine tissue, initial procedure (88342)2,456 services
- Special stained specimen slides to identify organisms including interpretation and report (88312)52 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 cholesterol75%
- High blood pressure68%
- Arthritis48%
- Diabetes29%
- Ischemic heart disease26%
- Anxiety25%
Practice locations
Addresses where Khodadad Mehraein is enrolled with Medicare (CMS data updated October 2, 2026).
- 113 Waterworks Way, Suite 155Irvine, CA 92618 (949) 612‑9090
- 1310 San Bernardino Rd, Suite 103Upland, CA 91786 (909) 920‑0444
- 612 W Duarte Rd, Suite 502Arcadia, CA 91007 (626) 821‑2076
- 72140 Magnesia Falls Dr, Suite 1Rancho Mirage, CA 92270 (760) 699‑7607
Group practices
Medicare enrollment lists Khodadad Mehraein as a member of these groups (CMS data updated October 2, 2026).
- Digestive Disease Consultants of Orange County Inc14 clinicians in the group
- Basim Z. Abdelkarim, M.D., Inc.4 clinicians in the group
- Hanson T Lee MD, Inc2 clinicians in the group
- Oasis Advanced Gastroenterology Inc2 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Other clinicians in Digestive Disease Consultants of Orange County Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316147374 |
| 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