NPPES file of Aug 9, 2026

Joseph C. Chen, MD

Neurological Surgery Physician · Visalia, CA

Joseph C. Chen, MD is a neurological surgery physician with a practice address in Visalia, California, and NPI 1841362183, issued on Nov 14, 2006. Check the license (California A55210, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841362183
Name
Joseph C. Chen
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
A55210 CA
Self-reported in NPPES; status is on the state search
Practice location
805 W Acequia Ave Ste 2C, Visalia, CA 93291
Phone
(559) 202-0282
Enumerated
Nov 14, 2006
Record last updated
Feb 12, 2026
Medicare enrollment
Enrolled (PECOS I20040930001132); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 1994
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 805 W Acequia Ave Ste 2C

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

  1. Melissa Sakowski, PA-CSurgical Physician Assistant1861980591

Verify Joseph C. Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A55210
    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

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The practice group's MIPS final score for 2023 (Medicare payment program): 89 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.4
  2. Costout of 100 · 30%61.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $595.28

8 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Chen$595
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Center Neurorestoration Associates Inc A Professional CorporationThousand Oaks, CA
  2. Kaweah Delta Health Care DistrictVisalia, CA
  3. Kern County Hospital AuthorityBakersfield, CA

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

Joseph C. Chen among 929 neurological surgery physician records in California

Joseph C. Chen, MD is one of 929 neurological surgery physician records with a practice address in California. 77% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 62% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1994 · median 2005 among the 612 with a school on file
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in California

There are 929 neurological surgery physician records in California.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Parley Madsen, M.D.Visalia, CA 932911184790784
  2. Lyman Whitlatch, MD, PHDVisalia, CA 932911053585711
  3. Imad Abumeri, M.D.Bakersfield, CA 933011295732980
  4. Philip Rosenthal, M.D.Bakersfield, CA 933011205815073
  5. Timothy Wiebe, MD, FAANSBakersfield, CA 933011659428704
  6. Jan Eckermann, M.D.Bakersfield, CA 933061962619668
  7. Olusegun Leramo, M.D.Bakersfield, CA 933061386675254
  8. Jesse Savage, PHD, MDBakersfield, CA 933111881828085

Common questions

What is Joseph C. Chen, MD's NPI number?

Joseph C. Chen, MD's National Provider Identifier (NPI) is 1841362183, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph C. Chen, MD located?

The NPPES record lists a practice address at 805 W Acequia Ave Ste 2C, Visalia, CA, 93291. Phone: (559) 202-0282. Providers update this record themselves, so call before visiting.

How can I verify Joseph C. Chen, MD's license?

NPPES lists California license number A55210, 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.

What is Joseph C. Chen, MD's MIPS final score?

The 2023 MIPS final score is 89 of 100, reported for the practice group. 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.