Aziz Karim Valika, MD
Nephrology Physician · Concord, CA
Aziz Karim Valika, MD is a nephrology physician with a practice address in Concord, California, and NPI 1992910954, issued on May 13, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aziz Karim Valika
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- C175413 AZ
050056 CT
036138043 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2222 East St Ste 305, Concord, CA 94520
- Phone
- (925) 686-1230
- Enumerated
- May 13, 2007
- Record last updated
- Feb 20, 2024
- Medicaid IDs
- 1992910954 CT
2333STEO AZ - Medicare enrollment
- Enrolled (PECOS I20220517001445); accepts Medicare assignment
- Medical or professional school
- Illinois Medical College, 2007
- Entity
- Type 1 · individual
Also registered at 2222 East St Ste 305
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Chacon, FNPNurse Practitioner1518548171
- Melissa Clark, ARNPGerontology Nurse Practitioner1639681000
- Chenyin He, MDNephrology Physician1184833857
- Vijay Jain, MDNephrology Physician1407938632
- Edward Kim, MDNephrology Physician1679619092
- Jason LawNephrology Physician1114345006
Verify Aziz Karim Valika in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average nephrology physician in 2024
937 Medicare Part D claims for 191 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Carvedilol76 claims
- Furosemide70 claims
- Amlodipine Besylate54 claims
- Losartan Potassium52 claims
- Farxiga51 claims
- Irbesartan47 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.
The MIPS final score for 2023 (Medicare payment program): 71.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $866.89
31 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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
- West Coast KidneyWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
Other nephrology physician records in California
- Antoine Abcar, MDLos Angeles, CA1245301159
- Basmah Abdalla, M.D.Los Angeles, CA1629394002
- Omaran Abdeen, M.D.Mission Hills, CA1700878410
- Joseph Abdelmalek, M.DSan Diego, CA1740485531
- Lama Abdelnour, MDLos Angeles, CA1477817542
- Amir Abdi Pour, MDLoma Linda, CA1912187477
- Anas Abou-Ismail, MDPalm Springs, CA1598078784
- Graham Abra, M.D.Stanford, CA1760644678
- Sreedhar Adapa, M.D.Visalia, CA1881997872
- Gbemisola Adenuga, M.D.Los Angeles, CA1952464661
Common questions
What is Aziz Karim Valika, MD's NPI number?
Aziz Karim Valika, MD's National Provider Identifier (NPI) is 1992910954, issued on May 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aziz Karim Valika, MD located?
The NPPES record lists a practice address at 2222 East St Ste 305, Concord, CA, 94520. Phone: (925) 686-1230. Providers update this record themselves, so call before visiting.
How can I verify Aziz Karim Valika, MD's license?
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 Aziz Karim Valika, MD prescribe under Medicare Part D?
In 2024, Aziz Karim Valika, MD had 937 Medicare Part D claims for 191 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Aziz Karim Valika, MD's MIPS final score?
The 2023 MIPS final score is 71.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.