Kenneth S. Marvin, MD
Cardiovascular Disease Physician · Grass Valley, CA
Kenneth S. Marvin, MD is a cardiovascular disease physician with a practice address in Grass Valley, California, and NPI 1417035221, issued on Nov 1, 2006. Check the license (California G65886, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth S. Marvin
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- G65886 CA
Self-reported in NPPES; status is on the state search - Practice location
- 155 Glasson Way, Grass Valley, CA 95945
- Phone
- (530) 274-6000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20260126000769); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 155 Glasson Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Britton, M.D.Emergency Medicine Physician1902805831
- Stuart Campbell, M.D.Internal Medicine Physician1306842588
- Samuel Chan, M.D.Anesthesiology Physician1043286974
- Jed ColvinFamily Nurse Practitioner1528315538
Verify Kenneth S. Marvin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G65886Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
23 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
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.
Kenneth S. Marvin among 2,574 cardiovascular disease physician records in California
Kenneth S. Marvin, MD is one of 2,574 cardiovascular disease 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1982 · median 1999 among the 1,742 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Grass Valley → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Peter Callaham, MDGrass Valley, CA 959451750305025
- Anabel Facemire, MDGrass Valley, CA 959451427043280
- John Mallery, MDGrass Valley, CA 959451780664201
- Ryan Smith, M.D.Grass Valley, CA 959451639197452
- Nathaniel Woodruff, M.D., PHD, FACCGrass Valley, CA 959451275623191
- Peter Magnusson, M.D.Chico, CA 959261164595914
- Marcia Moore, MDChico, CA 959261104875269
- Catherine Prince, D.O.Chico, CA 959261649539586
Common questions
What is Kenneth S. Marvin, MD's NPI number?
Kenneth S. Marvin, MD's National Provider Identifier (NPI) is 1417035221, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth S. Marvin, MD located?
The NPPES record lists a practice address at 155 Glasson Way, Grass Valley, CA, 95945. Phone: (530) 274-6000. Providers update this record themselves, so call before visiting.
How can I verify Kenneth S. Marvin, MD's license?
NPPES lists California license number G65886, 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 Kenneth S. Marvin, MD prescribe under Medicare Part D?
In 2024, Kenneth S. Marvin, MD had 23 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.