Quick answers
- Does Shaparak M. Kamarei accept Medicare assignment?
- Yes. Medicare's clinician data says Shaparak M. Kamarei 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 Shaparak M. Kamarei see?
- In 2024, CMS data shows 173 Original Medicare patients and 528 services for Shaparak M. Kamarei. This counts Original Medicare only and measures volume, not quality.
- What is Shaparak M. Kamarei's NPI number?
- 1952409021. 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 Shaparak M. Kamarei, 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 | 173 |
|---|---|
| Services billed to Medicare | 528 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)287 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)141 services
- Administration of influenza virus vaccine (G0008)20 services
- Influenza vaccine, inactivated (90653)19 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)12 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 cholesterol73%
- High blood pressure66%
- Arthritis35%
- Anxiety24%
- Osteoporosis23%
- Diabetes20%
Hospitals where Shaparak M. Kamarei works
Medicare's Facility Affiliation Data lists Shaparak M. Kamarei at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
- Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050603
- Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050567
Practice locations
Addresses where Shaparak M. Kamarei is enrolled with Medicare (CMS data updated October 2, 2026).
- 29873 Santa Margarita Pkwy, Suite 100Rancho Santa Margarita, CA 92688 (949) 709‑0988
Group practices
Medicare enrollment lists Shaparak M. Kamarei as a member of this group (CMS data updated October 2, 2026).
- Healthcare Partners Affiliates Medical Group754 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Healthcare Partners Affiliates Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952409021 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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