NPPES file of Aug 9, 2026

Sidney Joseph Kurn, M.D.

Neurology Physician · Santa Rosa, CA

Sidney Joseph Kurn, M.D. is a neurology physician with a practice address in Santa Rosa, California, and NPI 1588793962, issued on Mar 3, 2007. Check the license (California G32827, 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
1588793962
Name
Sidney Joseph Kurn
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
G32827 CA
Self-reported in NPPES; status is on the state search
Practice location
95 Montgomery Dr Ste 126, Santa Rosa, CA 95404
Phone
(707) 578-7553
Enumerated
Mar 3, 2007
Record last updated
Nov 28, 2011 (not updated in 15 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Sidney Joseph Kurn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G32827
    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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96% fewer Medicare Part D claims than the average neurology physician in 2024

49 Medicare Part D claims for 11 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Sidney Kurn49
  2. Specialty average1,370

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.

Sidney Joseph Kurn among 2,339 neurology physician records in California

Sidney Joseph Kurn, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2011 · 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 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

The 8 neurology physician records with the nearest ZIP codes

  1. Jerome Chin, M.D. PH.D.Santa Rosa, CA 954041992837496
  2. John Cassidy, MDSanta Rosa, CA 954031053495036
  3. Max Duncan, D.O.Santa Rosa, CA 954031114066974
  4. Mahsa Eskian, MDSanta Rosa, CA 954031437893823
  5. Jet Ho, MDSanta Rosa, CA 954031194894394
  6. Sea Jin Kim, M.D.Santa Rosa, CA 954031649471202
  7. Stella Lai, MDSanta Rosa, CA 954051588906663
  8. Zachary Lewton, MDSanta Rosa, CA 954051346202975

Common questions

What is Sidney Joseph Kurn, M.D.'s NPI number?

Sidney Joseph Kurn, M.D.'s National Provider Identifier (NPI) is 1588793962, issued on Mar 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sidney Joseph Kurn, M.D. located?

The NPPES record lists a practice address at 95 Montgomery Dr Ste 126, Santa Rosa, CA, 95404. Phone: (707) 578-7553. Providers update this record themselves, so call before visiting.

How can I verify Sidney Joseph Kurn, M.D.'s license?

NPPES lists California license number G32827, 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 Sidney Joseph Kurn, M.D. prescribe under Medicare Part D?

In 2024, Sidney Joseph Kurn, M.D. had 49 Medicare Part D claims for 11 beneficiaries; the average among neurology physician prescribers was 1,370. 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.