Nicole Denise Sims, D.O.
Internal Medicine Physician · Montclair, CA
Nicole Denise Sims, D.O. is an internal medicine physician with a practice address in Montclair, California, and NPI 1932417417, issued on Sep 19, 2010. Check the license (California 20A11223, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicole Denise Sims
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A11223 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9655 Monte Vista Ave Ste 402, Montclair, CA 91763
- Phone
- (909) 626-1205
- Enumerated
- Sep 19, 2010
- Record last updated
- Oct 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (909) 670-0473
- Medicare enrollment
- Enrolled (PECOS I20161118001153); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 9655 Monte Vista Ave Ste 402
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yeyong Shin, DOFamily Medicine Physician1679831028
Verify Nicole Denise Sims in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
230 Medicare Part D claims for 97 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Ozempic11 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 2 group practices
- Hospitalist Medicine Physicians OF California IncApple Valley, CA
- Inpatient Specialists OF California PCSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicole Denise Sims among 17,696 internal medicine physician records in California
Nicole Denise Sims, D.O. 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2004 among the 11,065 with a school on file
- Record last updated2017 · 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).
12 internal medicine physician records list a practice address in Montclair
They are 12 of the 1,301 NPPES records with a practice address in Montclair, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Montclair → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohammed Al-Khayyat, M.D.Montclair, CA 917631588195424
- Khanh Duong, MDMontclair, CA 917631225528466
- Dion Kencana, MDMontclair, CA 917631528709805
- Sadia Khan, MDMontclair, CA 917631225271125
- George Moran, MDMontclair, CA 917631639673635
- Kiandokht Partovi, M.D.Montclair, CA 917631689763427
- Atif Qadeer, MDMontclair, CA 917631730160201
- Ali Salem, M.D.Montclair, CA 917631376983122
Common questions
What is Nicole Denise Sims, D.O.'s NPI number?
Nicole Denise Sims, D.O.'s National Provider Identifier (NPI) is 1932417417, issued on Sep 19, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nicole Denise Sims, D.O. located?
The NPPES record lists a practice address at 9655 Monte Vista Ave Ste 402, Montclair, CA, 91763. Phone: (909) 626-1205. Providers update this record themselves, so call before visiting.
How can I verify Nicole Denise Sims, D.O.'s license?
NPPES lists California license number 20A11223, 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 Nicole Denise Sims, D.O. prescribe under Medicare Part D?
In 2024, Nicole Denise Sims, D.O. had 230 Medicare Part D claims for 97 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.