Salam Ghanim Ishak, M.D
Nephrology Physician · Riverside, CA
Salam Ghanim Ishak, M.D is a nephrology physician with a practice address in Riverside, California, and NPI 1427152842, issued on Sep 8, 2006. Check the license (California C51301, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Salam Ghanim Ishak
- Credential
- M.D
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- C51301 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3660 Park Sierra Dr, Riverside, CA 92505
- Phone
- (951) 687-2800
- Enumerated
- Sep 8, 2006
- Record last updated
- Jul 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (951) 687-7290
- Medicaid ID
- 00C513010 CA
- Medicare enrollment
- Enrolled (PECOS I20070119000315); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 3660 Park Sierra Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rizwan Badar, M.D.Nephrology Physician1073761243
- Eric Changchien, MDSurgery Physician1710137401
- Ly Duong, NPFamily Nurse Practitioner1497261614
- Monica Falcon, PA-CSurgical Physician Assistant1588750152
- Arthur Galoustian, MDNephrology Physician1487685426
- Rahul Gohil, MDSurgery Physician1679754873
Verify Salam Ghanim Ishak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C51301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average nephrology physician in 2024
864 Medicare Part D claims for 195 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Carvedilol90 claims
- Losartan Potassium75 claims
- Amlodipine Besylate62 claims
- Calcitriol57 claims
- Farxiga52 claims
- Furosemide38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,416.42
47 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Nephrology Associates Medical Group IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Salam Ghanim Ishak among 1,468 nephrology physician records in California
Salam Ghanim Ishak, M.D is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1985 · median 2001 among the 1,128 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Riverside → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Rizwan Badar, M.D.Riverside, CA 925051073761243
- Arthur Galoustian, MDRiverside, CA 925051487685426
- Naveen Gupta, MDRiverside, CA 925051790979938
- Taher Khalil, M.D.Riverside, CA 925051962458752
- Joseph Lee, M.D.Riverside, CA 925051477599579
- Howard Lee, DORiverside, CA 925051932276144
- Hamik Martirosyan, MDRiverside, CA 925051316014145
- John Robertson, M.D.Riverside, CA 925051528019536
Common questions
What is Salam Ghanim Ishak, M.D's NPI number?
Salam Ghanim Ishak, M.D's National Provider Identifier (NPI) is 1427152842, issued on Sep 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Salam Ghanim Ishak, M.D located?
The NPPES record lists a practice address at 3660 Park Sierra Dr, Riverside, CA, 92505. Phone: (951) 687-2800. Providers update this record themselves, so call before visiting.
How can I verify Salam Ghanim Ishak, M.D's license?
NPPES lists California license number C51301, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Salam Ghanim Ishak, M.D prescribe under Medicare Part D?
In 2024, Salam Ghanim Ishak, M.D had 864 Medicare Part D claims for 195 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.