Mark Mansour, M.D.
Rheumatology Physician · Cameron Park, CA
Mark Mansour, M.D. is a rheumatology physician with a practice address in Cameron Park, California, and NPI 1073597241, issued on Dec 1, 2005. Check the license (California A86841, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Mansour
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A86841 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3501 Palmer Dr, Cameron Park, CA 95682
- Phone
- (530) 672-7040
- Enumerated
- Dec 1, 2005
- Record last updated
- Oct 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050705000528); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 3501 Palmer Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Mansour in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average rheumatology physician in 2024
3,627 Medicare Part D claims for 421 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 206 claims were for opioids.
Most prescribed
- Prednisone693 claims
- Hydroxychloroquine Sulfate658 claims
- Methotrexate388 claims
- Hydrocodone-Acetaminophen129 claims
- Gabapentin123 claims
- Humira(Cf) Pen122 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.
Industry payments in 2024: $202.73
9 payments; by number, the most common kind was food and beverage; the largest payer was Aurinia Pharma U.S., Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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.
One hospital affiliation
- Marshall Medical CenterCameron Park, CA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mark Mansour among 926 rheumatology physician records in California
Mark Mansour, M.D. is one of 926 rheumatology physician records with a practice address in California. 81% 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, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2003 among the 641 with a school on file
- Record last updated2015 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Cameron Park → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Melissa Schoenwetter, D.O.Vacaville, CA 956871699844019
- Michelle Sit, MDVacaville, CA 956871740269513
- Robinder Dhillon, M.D., M.B.A.Rancho Cordova, CA 956701841557477
- Minzi Chen, MDWoodland, CA 956951922269067
- Diana Lau, MDWoodland, CA 956951770506537
- Lei Wang, MDWoodland, CA 956951497173355
- Feruza AbraamyanRoseville, CA 956611124769278
- Emilia Banisad, MDRoseville, CA 956611598293276
Common questions
What is Mark Mansour, M.D.'s NPI number?
Mark Mansour, M.D.'s National Provider Identifier (NPI) is 1073597241, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Mansour, M.D. located?
The NPPES record lists a practice address at 3501 Palmer Dr, Cameron Park, CA, 95682. Phone: (530) 672-7040. Providers update this record themselves, so call before visiting.
How can I verify Mark Mansour, M.D.'s license?
NPPES lists California license number A86841, 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 Mark Mansour, M.D. prescribe under Medicare Part D?
In 2024, Mark Mansour, M.D. had 3,627 Medicare Part D claims for 421 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.