NPPES file of Aug 9, 2026

Jackson Wang, MD

Nephrology Physician · Grass Valley, CA

Jackson Wang, MD is a nephrology physician with a practice address in Grass Valley, California, and NPI 1003183617, issued on Nov 28, 2011. Check the license (California A119259, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003183617
Name
Jackson Wang
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A119259 CA
Self-reported in NPPES; status is on the state search
Practice location
10058 Wolf RD, Grass Valley, CA 95949
Phone
(530) 268-7708
Enumerated
Nov 28, 2011
Record last updated
May 19, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150702001421); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10058 Wolf RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kay Drengler, DOFamily Medicine Physician1558472159
  2. Leandra Lyon, DOFamily Medicine Physician1790281053
  3. Seema Maple, M.D.Family Medicine Physician1407952294
  4. Debra SettlemierFamily Nurse Practitioner1609604263
  5. Alice Shallcross, DOFamily Medicine Physician1073045308

Verify Jackson Wang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A119259
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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44% more Medicare Part D claims than the average nephrology physician in 2024

2,107 Medicare Part D claims for 370 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Jackson Wang2,107
  2. Specialty average1,465

Most prescribed

  1. Calcitriol349 claims
  2. Amlodipine Besylate153 claims
  3. Hydralazine Hcl144 claims
  4. Furosemide97 claims
  5. Losartan Potassium83 claims
  6. Carvedilol82 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: $240.54

11 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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.

  1. Jackson Wang$240.54
  2. Specialty average$3,091.37

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

  1. Summit Nephrology Medical Group, Inc.Grass Valley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jackson Wang among 1,468 nephrology physician records in California

Jackson Wang, MD 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 2011, is newer than 76% of them.

  • NPI issued2011 · 76% of these records are older, 20% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2008 · median 2001 among the 1,128 with a school on file
  • Record last updated2015 · 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.

The 8 nephrology physician records with the nearest ZIP codes

  1. Masoud Haghi, DOOroville, CA 959661134653769
  2. Khurram Mumtaz, M.D.Oroville, CA 959661093979437
  3. Nasrin Ashouian, MDChico, CA 959261053522342
  4. Muhammad Bashir, MDChico, CA 959261720081342
  5. Jose Sibal, M.D.Chico, CA 959261912903758
  6. Arisara Suwangomolkul, M.D.Chico, CA 959261558595496
  7. Jon Ferguson, D.O.Chico, CA 959731902018294
  8. Mona Sarbu, MDChico, CA 959731639250855

Common questions

What is Jackson Wang, MD's NPI number?

Jackson Wang, MD's National Provider Identifier (NPI) is 1003183617, issued on Nov 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Jackson Wang, MD located?

The NPPES record lists a practice address at 10058 Wolf RD, Grass Valley, CA, 95949. Phone: (530) 268-7708. Providers update this record themselves, so call before visiting.

How can I verify Jackson Wang, MD's license?

NPPES lists California license number A119259, 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 Jackson Wang, MD prescribe under Medicare Part D?

In 2024, Jackson Wang, MD had 2,107 Medicare Part D claims for 370 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.