Jason Law
Nephrology Physician · Concord, CA
Jason Law is a nephrology physician with a practice address in Concord, California, and NPI 1114345006, issued on Mar 29, 2014. Check the license (California A148326, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason Law
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A148326 CA
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
- Mar 29, 2014
- Record last updated
- Sep 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (925) 686-8443
- Medicare enrollment
- Enrolled (PECOS I20191009000121); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
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
- Aziz Valika, MDNephrology Physician1992910954
Verify Jason Law in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A148326Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average nephrology physician in 2024
1,342 Medicare Part D claims for 275 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Amlodipine Besylate142 claims
- Furosemide119 claims
- Jardiance85 claims
- Losartan Potassium69 claims
- Lisinopril66 claims
- Farxiga64 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: $362.35
14 payments; by number, the most common kind was food and beverage; the largest payer was Nxstage Medical, 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).
Jason Law among 1,468 nephrology physician records in California
Jason Law 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 2014, is newer than 85% of them.
- NPI issued2014 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2014 · median 2001 among the 1,128 with a school on file
- Record last updated2019 · 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 Concord → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Smitha Anam, M.DConcord, CA 945201093033276
- Lynda Frassetto, M.D.Concord, CA 945201588695472
- Chenyin He, MDConcord, CA 945201184833857
- Ileana Helms, MDConcord, CA 945201225039142
- Vijay Jain, MDConcord, CA 945201407938632
- Rajeev Kaul, M.B.B.SConcord, CA 945201336198183
- Edward Kim, MDConcord, CA 945201679619092
- Leena Ray, MDConcord, CA 945201679574693
Common questions
What is Jason Law's NPI number?
Jason Law's National Provider Identifier (NPI) is 1114345006, issued on Mar 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jason Law 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 Jason Law's license?
NPPES lists California license number A148326, 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 Jason Law prescribe under Medicare Part D?
In 2024, Jason Law had 1,342 Medicare Part D claims for 275 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.