Mahnee L. Dinsmore, M.D.
Obstetrics & Gynecology Physician · Grass Valley, CA
Mahnee L. Dinsmore, M.D. is an obstetrics & gynecology physician with a practice address in Grass Valley, California, and NPI 1336132273, issued on Aug 25, 2005. Check the license (California C160161, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mahnee L. Dinsmore
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- C160161 CA
MD2021-0729 NM
MD20752 ME
Self-reported in NPPES; status is on the state search - Practice location
- 280 Sierra College Dr Ste 115, Grass Valley, CA 95945
- Phone
- (530) 477-3119
- Enumerated
- Aug 25, 2005
- Record last updated
- Aug 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 280 Sierra College Dr Ste 115
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Chong, M.D.Obstetrics & Gynecology Physician1902880297
- Rebecca Kauk, FNPFamily Nurse Practitioner1295263648
- Phillip Kintner, MDObstetrics & Gynecology Physician1578559084
- Erin Macdonald, M.D.Obstetrics & Gynecology Physician1881039063
- Nancy Tibbetts, CNM, F-NPAdvanced Practice Midwife1871648196
- Lystra Wilson-Celestine, MDObstetrics & Gynecology Physician1003034018
Verify Mahnee L. Dinsmore in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C160161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 89.3 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).
Mahnee L. Dinsmore among 5,088 obstetrics & gynecology physician records in California
Mahnee L. Dinsmore, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Grass Valley → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Deborah Chong, M.D.Grass Valley, CA 959451902880297
- Faye Jensen, M.D.Grass Valley, CA 959451497717912
- Phillip Kintner, MDGrass Valley, CA 959451578559084
- Leonard Leon, M.D.Grass Valley, CA 959451942253299
- Erin Macdonald, M.D.Grass Valley, CA 959451881039063
- Lystra Wilson-Celestine, MDGrass Valley, CA 959451003034018
- Claire Leve, MDNevada City, CA 959591174558027
- Christine Sloop, M.D.Chico, CA 959281043395478
Common questions
What is Mahnee L. Dinsmore, M.D.'s NPI number?
Mahnee L. Dinsmore, M.D.'s National Provider Identifier (NPI) is 1336132273, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mahnee L. Dinsmore, M.D. located?
The NPPES record lists a practice address at 280 Sierra College Dr Ste 115, Grass Valley, CA, 95945. Phone: (530) 477-3119. Providers update this record themselves, so call before visiting.
How can I verify Mahnee L. Dinsmore, M.D.'s license?
NPPES lists California license number C160161, 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.
What is Mahnee L. Dinsmore, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.3 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.