Quick answers
- Does Hiep D. Ma accept Medicare assignment?
- Yes. Medicare's clinician data says Hiep D. Ma 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 Hiep D. Ma see?
- In 2024, CMS data shows 541 Original Medicare patients and 2,361 services for Hiep D. Ma. This counts Original Medicare only and measures volume, not quality.
- What is Hiep D. Ma's NPI number?
- 1790328250. 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 Hiep D. Ma, 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 | 541 |
|---|---|
| Services billed to Medicare | 2,361 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)821 services
- Destruction of precancer skin growth, 1 growth (17000)299 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)240 services
- Biopsy of related skin growth, first growth (11102)187 services
- Destruction of skin growth, 1-14 growths (17110)140 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 cholesterol72%
- High blood pressure65%
- Arthritis44%
- Ischemic heart disease21%
- Diabetes19%
- Depression18%
Hospitals where Hiep D. Ma works
Medicare's Facility Affiliation Data lists Hiep D. Ma 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.
- University of California Davis Medical CenterSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050599
Practice locations
Addresses where Hiep D. Ma is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 10850 White Rock RdRancho Cordova, CA 95670
- 2400 Del Paso Rd, Suite 145Sacramento, CA 95834 (916) 928‑3940
- 251 Turn Pike DrFolsom, CA 95630 (916) 985‑9300
- 271 Turnpike DrFolsom, CA 95630 (916) 985‑9200
- 3301 C StSacramento, CA 95816
Group practices
Medicare enrollment lists Hiep D. Ma as a member of these groups (CMS data updated October 2, 2026).
- Regents of the Univ of Ca1,584 clinicians in the group
- Regents of the University of California567 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Rancho Cordova
Clinicians with the same Medicare primary specialty in Rancho Cordova, CA — not a recommendation.
Other clinicians in Regents of the Univ of Ca
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790328250 |
| 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