NPPES file of Aug 9, 2026

Simran Arinder Chadha, M.D.

Dermatology Physician · Sunnyvale, CA

Simran Arinder Chadha, M.D. is a dermatology physician with a practice address in Sunnyvale, California, and NPI 1932626140, issued on Aug 28, 2017. Check the license (California A200851, 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
1932626140
Name
Simran Arinder Chadha
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
A200851 CA
Self-reported in NPPES; status is on the state search
Practice location
603 S Knickerbocker Dr, Sunnyvale, CA 94087
Phone
(408) 736-0441
Enumerated
Aug 28, 2017
Record last updated
Oct 7, 2025
Medicare enrollment
Enrolled (PECOS I20250714003928); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2021
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 603 S Knickerbocker Dr

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

  1. Paul Hoesly, MDDermatology Physician1376954529
  2. Bernard Recht, M.D.Dermatology Physician1780617100

Verify Simran Arinder Chadha in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A200851
    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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Industry payments in 2024: $677.58

6 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Simran Chadha$677.58
  2. Specialty average$8,544.61

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. Csi Medical GroupSunnyvale, CA

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

Simran Arinder Chadha among 2,083 dermatology physician records in California

Simran Arinder Chadha, M.D. is one of 2,083 dermatology physician records with a practice address in California. 83% 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 83% of them.

  • NPI issued2017 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2021 · median 2006 among the 1,450 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California.

The 8 dermatology physician records with the nearest ZIP codes

  1. Paul Hoesly, MDSunnyvale, CA 940871376954529
  2. Bernard Recht, M.D.Sunnyvale, CA 940871780617100
  3. Nina Hansra, M.D.Sunnyvale, CA 940861437486891
  4. Susan Huang, MDSunnyvale, CA 940861124256284
  5. Sonia Kamath, MDSunnyvale, CA 940861821480757
  6. Eliana Krulig, M.D.Sunnyvale, CA 940861497984587
  7. Helen Lee, MDSunnyvale, CA 940861023540796
  8. Duy Tran, MDSunnyvale, CA 940861679035208

Common questions

What is Simran Arinder Chadha, M.D.'s NPI number?

Simran Arinder Chadha, M.D.'s National Provider Identifier (NPI) is 1932626140, issued on Aug 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Simran Arinder Chadha, M.D. located?

The NPPES record lists a practice address at 603 S Knickerbocker Dr, Sunnyvale, CA, 94087. Phone: (408) 736-0441. Providers update this record themselves, so call before visiting.

How can I verify Simran Arinder Chadha, M.D.'s license?

NPPES lists California license number A200851, 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.

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.