Quick answers
- Does Pirouz Piran accept Medicare assignment?
- Yes. Medicare's clinician data says Pirouz Piran 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 Pirouz Piran see?
- In 2024, CMS data shows 808 Original Medicare patients and 3,672 services for Pirouz Piran. This counts Original Medicare only and measures volume, not quality.
- What is Pirouz Piran's NPI number?
- 1467879452. 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 Pirouz Piran, 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 | 808 |
|---|---|
| Services billed to Medicare | 3,672 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)1,313 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,301 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)720 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)283 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)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 blood pressure75%
- High cholesterol75%
- Stroke or mini-stroke71%
- Diabetes63%
- Chronic kidney disease54%
- Arthritis51%
Hospitals where Pirouz Piran works
Medicare's Facility Affiliation Data lists Pirouz Piran 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.
- AHMC Anaheim Regional Medical CenterAnaheim, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050226
- Garfield Medical CenterMonterey Park, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050737
- Monterey Park HospitalMonterey Park, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050736
- Parkview Community Hospital Medical CenterRiverside, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050102
- Whittier Hospital Medical CenterWhittier, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050735
Practice locations
Addresses where Pirouz Piran is enrolled with Medicare (CMS data updated October 2, 2026).
- 1111 W La Palma AveAnaheim, CA 92801 (626) 698‑7246
Group practices
Medicare enrollment lists Pirouz Piran as a member of this group (CMS data updated October 2, 2026).
- KC Tan MD Medical Corporation24 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Anaheim
Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.
Other clinicians in KC Tan MD Medical Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467879452 |
| 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