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Dr. Mark Asef, MD
NPI1225561673PAC ID5193057529
- Medicare services, 2024
- 1,538
- Medicare patients, 2024
- 327
- Part D claims, 2024
- 1,025
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 26900 Cactus Avenue, Moreno Valley, CA 92555
- Practice phone
- Call (951) 247-2844
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
DaVita Valley View Dialysis Center
Dialysis Center - Independent · Moreno Valley, California
Find Dr. Asef's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark Asef is a nephrologist in Moreno Valley, California
Dr. Asef practices at DaVita Valley View Dialysis Center in Moreno Valley, California.
Dr. Asef's NPI, 1225561673, was assigned on April 4, 2017. Dr. Asef graduated from Ross University School of Medicine in 2017. Dr. Asef's California license number on file is A165100.
NPI and contact details
- NPI
- 1225561673NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193057529
- NPI enumeration date
- April 4, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 247-2844
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Asef practices at DaVita Valley View Dialysis Center in Moreno Valley, California
Dr. Asef's primary practice is DaVita Valley View Dialysis Center, at 26900 Cactus Avenue, Moreno Valley, CA 92555 in Riverside County. The practice phone is (951) 247-2844.
- DaVita Valley View Dialysis Center26900 Cactus Avenue, Moreno Valley, CA 92555 · Riverside CountyPhone(951) 247-2844
Source: Dmand AI Affiliation Data
Dr. Mark Asef is affiliated with 8 sites of care and 1 medical group
Dr. Asef's primary practice is DaVita Valley View Dialysis Center in Moreno Valley, California. Dr. Asef is also affiliated with Riverside University Health System - Medical Center. The medical group on file is Nephrology Associates Medical Group. Dmand AI also links Dr. Asef to 1 more hospital, 4 dialysis centers and 1 group practice or clinic, each named with a free account.
DaVita Valley View Dialysis CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Asef's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Asef practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DaVita Valley View Dialysis Center | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Mark Asef is one of 1,401 nephrologists in California
Nephrology is Dr. Asef's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Asef is board certified in internal medicine by the American Board of Internal Medicine. Dr. Asef has a license on file in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute kidney failure, chronic kidney disease and fluid and electrolyte imbalances among the conditions Dr. Asef treats.
Nephrologists near Dr. Asef
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
1,401nephrologists in California
4nephrologists in Moreno Valley
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Asef billed Medicare for 1,538 services in 2024
CMS data shows 1,538 Medicare services from Dr. Asef across 10 procedure codes in 2024, for 327 Medicare patients. Medicare paid $149,062 for them.
Medicare services, 20241,538
Medicare patients327
Paid by Medicare$149,062
Procedure codes10
Dr. Asef's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1312024: 1,1915%
- Tests and treatments
- 2023: 2022024: 29546%
- Other services
- 2023: 02024: 52
Where Dr. Asef's Medicare services took place, 2024
- In an office35923%
- In a facility1,17977%
Dr. Asef compared with the California median for nephrologists, 2024
- Dr. Asef
- California median
- Medicare services
- 1,538vs 1,08442% above
- Medicare patients
- 327vs 3077% above
- Part D claims
- 901vs 9556% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Asef's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Asef?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Asef and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Asef treated 327 Medicare patients in 2024, average age 68
CMS counts 327 Medicare patients who saw Dr. Asef in 2024. The largest group is 65 to 74, with 120 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 83% are also on Medicaid. Their average risk score is 6.39, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Asef's median patient age at 64, with 46% women.
Medicare patients, 2024327
Average age68
Average risk score6.39
Also on Medicaid83%
Dr. Asef's Medicare patients by age, 2024
Dr. Asef's Medicare patients by sex, 2024
- Women15648%
- Men17152%
Chronic conditions among Dr. Asef's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure64%
- Ischemic heart disease47%
- Arthritis46%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Asef's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Asef wrote 1,025 Medicare Part D claims in 2024
In 2024, Dr. Asef wrote 1,025 Medicare Part D claims for 171 patients. 74% of them were for generic drugs. CMS names the drug for 901 of them, across 27 drugs with 11 or more claims each, at $215,990 in total drug cost. In 2023, CMS named 426 claims across 14 drugs.
Part D claims, 20241,025
Drugs named by CMS27
Total drug cost$215,990
Part D patients171
Dr. Asef's Part D claims by kind of drug, 2024
- Generic760 claims74%
- Brand-name265 claims26%
Dr. Asef's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Asef's Part D claims, 2024
- Antibiotics1%12 of 1,025 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4262024: 901112%
Drugs named by CMS: 27 in 2024, 14 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Mark Asef takes part in Medicare
Dr. Asef accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark Asef has 1 publication on record
Dmand AI links 1 paper to Dr. Asef in 2023. Dr. Asef's most frequent co-authors are Marvi Hussain, MD and Kirollos E. Zaki, DO.
Papers1
Dr. Asef's most frequent co-authors
Recent publications by Dr. Asef
See who Dr. Asef researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Asef works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Asef received $2,221 in industry payments from 2022 to 2025
CMS Open Payments shows 98 general payments to Dr. Asef from 19 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $836.
General payments to Dr. Asef by program year, 2022 to 2025
General payments to Dr. Asef by kind, 2022 to 2025
$2.2Kin total
- Food and beverage$2,19799%
- Education$251%
Companies that paid Dr. Asef the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Asef graduated from Ross University School of Medicine
Dr. Asef graduated from Ross University School of Medicine in 2017.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Mark Asef accepts plans from 15 insurance carriers
Dr. Asef is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- Molina
- +7 more carriersWith a free account
Plan types Dr. Asef accepts, by number of carriers
- HMO9
- Medicare9
- PPO9
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Asef's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark Asef
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark Asef's NPI number?
Dr. Mark Asef's NPI number is 1225561673. It was assigned on April 4, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Asef?
Dr. Mark Asef is a nephrologist in Moreno Valley, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Mark Asef practice?
Dr. Asef practices at 26900 Cactus Avenue, Moreno Valley, CA 92555. Dr. Asef's primary practice is DaVita Valley View Dialysis Center in Moreno Valley, California. Dmand AI also links Dr. Asef to 1 hospital, 4 dialysis centers and 1 group practice or clinic.
What is Dr. Mark Asef's office phone number?
The practice phone on file for Dr. Asef is (951) 247-2844.
What is Dr. Mark Asef's medical license number?
Dr. Asef's California license number on file is A165100.
Which hospitals is Dr. Mark Asef affiliated with?
Dr. Asef is affiliated with Riverside University Health System - Medical Center. Dmand AI links Dr. Asef to 1 more hospital.
What medical group is Dr. Mark Asef part of?
Dr. Asef is linked to Nephrology Associates Medical Group.
Does Dr. Mark Asef accept Medicare?
Yes. CMS data shows Dr. Asef billed Medicare for 1,538 services in 2024, and Dr. Asef accepts Medicare assignment.
How many Medicare patients does Dr. Mark Asef see?
CMS counts 327 Medicare patients who saw Dr. Asef in 2024, with an average age of 68.
Is Dr. Mark Asef board certified?
Yes. Dr. Asef is board certified in internal medicine by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Mark Asef bill to Medicare?
In 2024, Dr. Asef's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Mark Asef go to medical school?
Dr. Asef graduated from Ross University School of Medicine in 2017.
What drugs does Dr. Mark Asef prescribe most?
In 2024 Medicare Part D data, Dr. Asef's most prescribed drugs by claims were Lokelma, Furosemide and Losartan Potassium.
Has Dr. Mark Asef received payments from drug or device companies?
CMS Open Payments shows $2,221 in general payments to Dr. Asef from 19 companies from 2022 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Mark Asef been practicing?
Dr. Asef graduated from medical school in 2017, 9 years ago.
Does Dr. Mark Asef do research?
Dmand AI links 1 publication to Dr. Asef.
Who does Dr. Mark Asef publish with?
Dr. Asef's most frequent co-authors are Marvi Hussain, MD (1 shared paper) and Kirollos E. Zaki, DO (1 shared paper).
What insurance does Dr. Mark Asef accept?
Dr. Asef is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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