Robert J. Davidson, M.D.
Family Medicine Physician · Pinckneyville, IL
Robert J. Davidson, M.D. is a family medicine physician with a practice address in Pinckneyville, Illinois, and NPI 1790774826, issued on Oct 20, 2005. Check the license (Illinois 36-079086, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert J. Davidson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36-079086 IL
Self-reported in NPPES; status is on the state search - Practice location
- 13 N Walnut St, Pinckneyville, IL 62274
- Phone
- (618) 357-2147
- Enumerated
- Oct 20, 2005
- Record last updated
- Dec 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (618) 357-8142
- Medicare enrollment
- Enrolled (PECOS I20070823000929); accepts Medicare assignment
- Medical or professional school
- State University Of New York - State College Optometry, 1979
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 13 N Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beth Bigham, M.D.Family Medicine Physician1235128554
Verify Robert J. Davidson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 36-079086Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average family medicine physician in 2024
14,248 Medicare Part D claims for 471 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 468 claims were for opioids.
Most prescribed
- Eliquis625 claims
- Atorvastatin Calcium564 claims
- Potassium Chloride519 claims
- Levothyroxine Sodium515 claims
- Furosemide511 claims
- Pantoprazole Sodium334 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: $82.52
5 payments; by number, the most common kind was food and beverage; the largest payer was Mylan Specialty L.P. The 55,478 providers of this specialty with any payment received $902.55 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
- Marshall Browning Hospital AssociationDu Quoin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert J. Davidson among 6,215 family medicine physician records in Illinois
Robert J. Davidson, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1979 · median 2006 among the 3,714 with a school on file
- Record last updated2013 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Pinckneyville
They are 4 of the 65 NPPES records with a practice address in Pinckneyville, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Pinckneyville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Beth Bigham, M.D.Pinckneyville, IL 622741235128554
- John Fozard, M.D.Pinckneyville, IL 622741689646127
- Sharon White-Findley, D.O.Pinckneyville, IL 622741790755692
- Abby Harris, M.D.Red Bud, IL 622781063615714
- Julie Kelley, MDRed Bud, IL 622781306980552
- Harathi Bhooma, MDO Fallon, IL 622691407424732
- Patrick Bloecher, MDO Fallon, IL 622691023672409
- Gage Buness, DOO Fallon, IL 622691881449635
Common questions
What is Robert J. Davidson, M.D.'s NPI number?
Robert J. Davidson, M.D.'s National Provider Identifier (NPI) is 1790774826, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Davidson, M.D. located?
The NPPES record lists a practice address at 13 N Walnut St, Pinckneyville, IL, 62274. Phone: (618) 357-2147. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Davidson, M.D.'s license?
NPPES lists Illinois license number 36-079086, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert J. Davidson, M.D. prescribe under Medicare Part D?
In 2024, Robert J. Davidson, M.D. had 14,248 Medicare Part D claims for 471 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.