NPPES file of Aug 9, 2026

Richard P. Knudsen, M.D.

Sleep Medicine (Psychiatry & Neurology) Physician · Novato, CA

Richard P. Knudsen, M.D. is a sleep medicine (psychiatry & neurology) physician with a practice address in Novato, California, and NPI 1407032824, issued on Jan 16, 2008. Check the license (California G43057, 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
1407032824
Name
Richard P. Knudsen
Credential
M.D.
Primary taxonomy
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
License number
G43057 CA
Self-reported in NPPES; status is on the state search
Practice location
100 Rowland Way, Suite 300, Novato, CA 94945
Phone
(415) 878-0225
Enumerated
Jan 16, 2008
Record last updated
Dec 21, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(415) 878-0215
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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8 nearest sleep medicine (psychiatry & neurology) physician records → All 53 in California → Look up another NPI →

Verify Richard P. Knudsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G43057    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: $273.62

7 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 278 providers of this specialty with any payment received $5,572.43 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Richard Knudsen$273.62
  2. Specialty average$5,572.43

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

Richard P. Knudsen among 53 sleep medicine (psychiatry & neurology) physician records in California

Richard P. Knudsen, M.D. is one of 53 sleep medicine (psychiatry & 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 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 32% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2016 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084S0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Psychiatry & Neurology) Physician providers in California

There are 53 sleep medicine (psychiatry & neurology) physician records in California.

All 53 in California → Every provider in Novato → Sleep Medicine (Psychiatry & Neurology) Physician nationwide →

The 8 sleep medicine (psychiatry & neurology) physician records with the nearest ZIP codes

  1. Michelle Jonelis, M.D.Mill Valley, CA 949411447547302
  2. Leslie West, MDSausalito, CA 949651255862587
  3. Deepti Chandran, MDCapitola, CA 950101093839532
  4. Tony Masri, MDLos Gatos, CA 950321548458466
  5. Anil Rama, MDSaratoga, CA 950701518053131
  6. Angela Anagnos, M.D.San Jose, CA 951281174542047
  7. Cyle Johnson, MDSan Jose, CA 951281528610185
  8. J. Hurley, M.D.Berkeley, CA 947051457554032

Common questions

What is Richard P. Knudsen, M.D.'s NPI number?

Richard P. Knudsen, M.D.'s National Provider Identifier (NPI) is 1407032824, issued on Jan 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Richard P. Knudsen, M.D. located?

The NPPES record lists a practice address at 100 Rowland Way, Suite 300, Novato, CA, 94945. Phone: (415) 878-0225. Providers update this record themselves, so call before visiting.

How can I verify Richard P. Knudsen, M.D.'s license?

NPPES lists California license number G43057, 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.