Quick answers
- Does Kelvin Mai accept Medicare assignment?
- Yes. Medicare's clinician data says Kelvin Mai 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 Kelvin Mai see?
- In 2024, CMS data shows 1,457 Original Medicare patients and 19,352 services for Kelvin Mai. This counts Original Medicare only and measures volume, not quality.
- What is Kelvin Mai's NPI number?
- 1326072612. 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 Kelvin Mai, 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 | 1,457 |
|---|---|
| Services billed to Medicare | 19,352 |
| Different services or procedures | 86 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)3,289 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)2,872 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,645 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)1,147 services
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)1,061 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%
- Chronic kidney disease75%
- Arthritis63%
- Diabetes51%
- Alzheimer's disease or dementia38%
Hospitals where Kelvin Mai works
Medicare's Facility Affiliation Data lists Kelvin Mai 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.
- Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050678
Practice locations
Addresses where Kelvin Mai is enrolled with Medicare (CMS data updated October 2, 2026).
- 1002 N Fairview StSanta Ana, CA 92703 (714) 332‑1069
- 12666 Brookhurst St, Suite 130Garden Grove, CA 92840 (714) 332‑1069
Group practices
Medicare enrollment lists Kelvin Mai as a member of this group (CMS data updated October 2, 2026).
- Kelvin Mai DO Inc3 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Santa Ana
Clinicians with the same Medicare primary specialty in Santa Ana, CA — not a recommendation.
Other clinicians in Kelvin Mai DO Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1326072612 |
| 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