Mark Asef, M.D.
Nephrology (CMS) · Highland, CA
At a glance
7223 Church St Ste A20, Highland, CA 92346-5812
NPPES record updated Aug 9, 2022. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
7223 Church St Ste A20Highland, CA 92346-5812
Additional reported practice locations
17234 Valley BlvdFontana, CA 92335
Phone: 9094275000 22555 Alessandro Blvd Ste B
Moreno Valley, CA 925538533
Phone: 9516567081
Fax: 9516561710 264 N Highland Springs Ave Ste 3B
Banning, CA 922203085
Phone: 9517699776
Fax: 9517699026 401 E Highland Ave Ste 551
San Bernardino, CA 924043840
Phone: 9098829150
Fax: 9098838972
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2017
- CMS specialties
- Nephrology
Practice groups
Reported hospital affiliations
- Loma Linda University Medical Center Loma Linda, CA
- Riverside University Health System-Medical Center Moreno Valley, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $506.48 |
Reporting companies
| Company | Amount |
|---|---|
| APELLIS PHARMACEUTICALS, INC. | $73.56 |
| OTSUKA AMERICA PHARMACEUTICAL, INC. | $60.31 |
| ALEXION PHARMACEUTICALS, INC. | $53.65 |
| AKEBIA THERAPEUTICS INC | $45.51 |
| CALLIDITAS THERAPEUTICS US INC. | $38.06 |
| BAYER HEALTHCARE PHARMACEUTICALS INC. | $34.20 |
| ASTRAZENECA PHARMACEUTICALS LP | $34.12 |
| BOEHRINGER INGELHEIM PHARMACEUTICALS, INC. | $32.91 |
| Other reporting companies | $134.16 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Nephrology (CMS)
- Taxonomy code
- 207RN0300X
- Enumeration date
- Apr 4, 2017
- Record updated
- Aug 9, 2022
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
390200000X
207RN0300X · Primary
License reported: A165100 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
7223 Church St Ste A20Highland, CA 92346-5812
- Phone
- (909) 882-0702
- Fax
- (909) 886-6704
Mailing address
3660 PARK SIERRA DR STE 203RIVERSIDE, CA 925053071
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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