Jacob Sloan Kopp, M.D.
Internal Medicine Physician · Grass Valley, CA
Jacob Sloan Kopp, M.D. is an internal medicine physician with a practice address in Grass Valley, California, and NPI 1073054409, issued on Mar 18, 2017. Check the license (California A167064, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacob Sloan Kopp
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A167064 CA
Self-reported in NPPES; status is on the state search - Practice location
- 155 Glasson Way, Grass Valley, CA 95945
- Phone
- (530) 274-6761
- Enumerated
- Mar 18, 2017
- Record last updated
- Jan 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200811002193); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 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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Verify Jacob Sloan Kopp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A167064Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
62 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Donepezil Hcl12 claims
- Rosuvastatin Calcium11 claims
- Valsartan11 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.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $112.60
1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Dignity Health Medical FoundationGrass Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Sloan Kopp among 17,696 internal medicine physician records in California
Jacob Sloan Kopp, 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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).
22 internal medicine physician records list a practice address in Grass Valley
They are 22 of the 1,540 NPPES records with a practice address in Grass Valley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Grass Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Andya, M.D.Grass Valley, CA 959451760428452
- Nancy Bleile, MDGrass Valley, CA 959451144246158
- Nicholas Browning, M.D.Grass Valley, CA 959451487610309
- Stuart Campbell, M.D.Grass Valley, CA 959451306842588
- Simon Chan, M.D.Grass Valley, CA 959451063431179
- Sherilynn Cooke, MDGrass Valley, CA 959451427136506
- Fouzia Godil, M.D.Grass Valley, CA 959451942268792
- Eric Holtrop, M.D.Grass Valley, CA 959451881790459
Common questions
What is Jacob Sloan Kopp, M.D.'s NPI number?
Jacob Sloan Kopp, M.D.'s National Provider Identifier (NPI) is 1073054409, issued on Mar 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Sloan Kopp, M.D. located?
The NPPES record lists a practice address at 155 Glasson Way, Grass Valley, CA, 95945. Phone: (530) 274-6761. Providers update this record themselves, so call before visiting.
How can I verify Jacob Sloan Kopp, M.D.'s license?
NPPES lists California license number A167064, 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 Jacob Sloan Kopp, M.D. prescribe under Medicare Part D?
In 2024, Jacob Sloan Kopp, M.D. had 62 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jacob Sloan Kopp, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.