Gary W. Sides, D.O.
Family Medicine Physician · Festus, MO
Gary W. Sides, D.O. is a family medicine physician with a practice address in Festus, Missouri, and NPI 1952309791, issued on Jul 13, 2005. Check the license (Missouri R1B61, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Gary W. Sides
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R1B61 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1216 W Main St, Festus, MO 63028
- Phone
- (636) 937-3611
- Enumerated
- Jul 13, 2005
- Record last updated
- Feb 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (636) 937-3612
- Entity
- Type 1 · individual
Also registered at 1216 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Green, FNPNurse Practitioner1902369671
- Kevin Sides, D.O.Family Medicine Physician1821096652
Verify Gary W. Sides in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R1B61Check 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 family medicine physician in 2024
85 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Potassium Chloride15 claims
- Levothyroxine Sodium14 claims
- Sertraline Hcl14 claims
- Simvastatin14 claims
- Triamterene-Hydrochlorothiazid14 claims
- Alendronate Sodium12 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.
24 family medicine physician records list a practice address in Festus
They are 24 of the 706 NPPES records with a practice address in Festus, and 2,991 family medicine physician records in Missouri.
All 24 in Festus → All 2,991 in Missouri → Every provider in Festus →
Other family medicine physician records in Missouri
- Mohammad Abbas, DOKirksville, MO1518537679
- Brandon Abbott, D.O.Kansas City, MO1356875702
- Ann Abbott Marin, DOArnold, MO1477132421
- Mohamed Abdalaziz, MDKansas City, MO1538578075
- Karam Abdelmasih, MD, APFestus, MO1093288508
- Afsheen Abdullah Patel, MDLees Summit, MO1598070377
- Christopher Abercrombie, DOArnold, MO1093787558
- Avery Abernathy, D.O.Kansas City, MO1013207836
- Kristia Abernathy, MDSaint Louis, MO1710545405
- Grant Abkemeier, DOColumbia, MO1922933712
Common questions
What is Gary W. Sides, D.O.'s NPI number?
Gary W. Sides, D.O.'s National Provider Identifier (NPI) is 1952309791, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary W. Sides, D.O. located?
The NPPES record lists a practice address at 1216 W Main St, Festus, MO, 63028. Phone: (636) 937-3611. Providers update this record themselves, so call before visiting.
How can I verify Gary W. Sides, D.O.'s license?
NPPES lists Missouri license number R1B61, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary W. Sides, D.O. prescribe under Medicare Part D?
In 2024, Gary W. Sides, D.O. had 85 Medicare Part D claims; 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.