NPPES file of Aug 9, 2026

Shaan Ludder, D.O.

Neurology Physician · Sacramento, CA

Shaan Ludder, D.O. is a neurology physician with a practice address in Sacramento, California, and NPI 1689106502, issued on Mar 30, 2017. Check the license (California 20A17220, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689106502
Name
Shaan Ludder
Credential
D.O.
Primary taxonomy
Neurology Physician 2084N0400X
License number
20A17220 CA
Self-reported in NPPES; status is on the state search
Practice location
2800 L St, Sacramento, CA 95816
Phone
(916) 454-6850
Enumerated
Mar 30, 2017
Record last updated
Mar 17, 2025
Medicare enrollment
Enrolled (PECOS I20220817002421); 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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8 nearest neurology physician records → All 2,339 in California → Look up another NPI →

Also registered at 2800 L St

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

  1. Richard Atkinson, MDNeurology Physician1154344992
  2. William Au, M.D.Neurology Physician1457375321
  3. Richard Axelrod, M.D.Cardiovascular Disease Physician1437147923
  4. Sarah Chan, M.D.Diagnostic Radiology Physician1437353125
  5. Samuel Ciricillo, M.D.Neurological Surgery Physician1841305554
  6. Richard Ericson, MDCardiovascular Disease Physician1649314055

Verify Shaan Ludder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A17220    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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Bills Medicare through one group practice

  1. Sutter Valley Medical FoundationJackson, CA

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

Shaan Ludder among 2,339 neurology physician records in California

Shaan Ludder, D.O. 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 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2017 · median 2006 among the 1,628 with a school on file
  • Record last updated2025 · 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.

All 2,339 in California → Every provider in Sacramento → Neurology Physician nationwide →

The 8 neurology physician records with the nearest ZIP codes

  1. Richard Atkinson, MDSacramento, CA 958161154344992
  2. William Au, M.D.Sacramento, CA 958161457375321
  3. John Byer, M.D.Sacramento, CA 958161780690933
  4. Glynnis Calvin, M.D.Sacramento, CA 958161104137678
  5. David Chesak, MD.Sacramento, CA 958161760665475
  6. Edwin Cruz, MDSacramento, CA 958161669556965
  7. Robert Dias, M.D.Sacramento, CA 958161407902612
  8. Billy Hu, M.D.Sacramento, CA 958161063558476

Common questions

What is Shaan Ludder, D.O.'s NPI number?

Shaan Ludder, D.O.'s National Provider Identifier (NPI) is 1689106502, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Shaan Ludder, D.O. located?

The NPPES record lists a practice address at 2800 L St, Sacramento, CA, 95816. Phone: (916) 454-6850. Providers update this record themselves, so call before visiting.

How can I verify Shaan Ludder, D.O.'s license?

NPPES lists California license number 20A17220, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.