R Bryan Scott Klassen, M.D.
Internal Medicine Physician · Monterey, CA
R Bryan Scott Klassen, M.D. is an internal medicine physician with a practice address in Monterey, California, and NPI 1912281783, issued on Sep 28, 2011. Check the license (California A126332, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- R Bryan Scott Klassen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A126332 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Upper Ragsdale Dr Bldg A, Monterey, CA 93940
- Phone
- (831) 333-3040
- Enumerated
- Sep 28, 2011
- Record last updated
- Apr 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (831) 886-3639
- Medicare enrollment
- Enrolled (PECOS I20170822001951); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2 Upper Ragsdale Dr Bldg A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify R Bryan Scott Klassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126332Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average internal medicine physician in 2024
5,659 Medicare Part D claims for 643 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 75 claims were for opioids.
Most prescribed
- Atorvastatin Calcium448 claims
- Levothyroxine Sodium292 claims
- Rosuvastatin Calcium267 claims
- Amlodipine Besylate259 claims
- Lisinopril193 claims
- Tamsulosin Hcl183 claims
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.
Bills Medicare through one group practice
- Montage Medical GroupMonterey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
R Bryan Scott Klassen among 17,696 internal medicine physician records in California
R Bryan Scott Klassen, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 internal medicine physician records list a practice address in Monterey
They are 29 of the 1,945 NPPES records with a practice address in Monterey, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Monterey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rebecca Abundis, D.OMonterey, CA 939401144227372
- Najwa Bahu Baugh, M.D.Monterey, CA 939401891893657
- Ronald Garren, M.D.Monterey, CA 939401720152663
- Craig Geiler, M.D.Monterey, CA 939401891711529
- Sattar Hadi, MDMonterey, CA 939401437105145
- Georgina Heal, M.D.Monterey, CA 939401639129901
- Edward Kennedy, MDMonterey, CA 939401912098534
- Richard King, MDMonterey, CA 939401144390048
Common questions
What is R Bryan Scott Klassen, M.D.'s NPI number?
R Bryan Scott Klassen, M.D.'s National Provider Identifier (NPI) is 1912281783, issued on Sep 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is R Bryan Scott Klassen, M.D. located?
The NPPES record lists a practice address at 2 Upper Ragsdale Dr Bldg A, Monterey, CA, 93940. Phone: (831) 333-3040. Providers update this record themselves, so call before visiting.
How can I verify R Bryan Scott Klassen, M.D.'s license?
NPPES lists California license number A126332, 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 R Bryan Scott Klassen, M.D. prescribe under Medicare Part D?
In 2024, R Bryan Scott Klassen, M.D. had 5,659 Medicare Part D claims for 643 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.