Gary C. Olson, MD
Psychiatry Physician · Davenport, IA
Gary C. Olson, MD is a psychiatry physician with a practice address in Davenport, Iowa, and NPI 1699734129, issued on Mar 22, 2006. Check the license (Iowa 18714, as entered in NPPES) on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gary C. Olson
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 18714 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1441 W Central Park Ave, Davenport, IA 52804
- Phone
- (563) 383-1900
- Enumerated
- Mar 22, 2006
- Record last updated
- Jul 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (563) 884-4256
- Medicaid ID
- 0247460 IA
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 398 in Iowa → Look up another NPI →
Also registered at 1441 W Central Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha AdamsSocial Worker1528665494
- Autumn Anderson, MSN, RN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1306475413
- Susan Armstrong, MSW, LISWClinical Social Worker1295868362
- Jill Asbury, LISWClinical Social Worker1861532699
- Kate Beardsley, LISWSocial Worker1184914582
- Denise Beenk, LMSWSocial Worker1669730602
Verify Gary C. Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 18714Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gary C. Olson among 398 psychiatry physician records in Iowa
Gary C. Olson, MD is one of 398 psychiatry physician records with a practice address in Iowa. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 60% newer
- In a Medicare fileNo · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 47% of these records are
- Record last updated2010 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Iowa
There are 398 psychiatry physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 398 in Iowa → Every provider in Davenport → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Henry Emerle, M.D.Davenport, IA 528041336450790
- William Nissen, MDDavenport, IA 528041225097843
- Jeffrey Weyeneth, MDDavenport, IA 528041912991944
- Rickey Wilson, M.D.Davenport, IA 528041588694012
- Darbie Little-Cooper, MD, MPH, MHADavenport, IA 528021801180427
- Joseph Bertroche, D.O.,J.D.Davenport, IA 528071174576169
- Babuji Gandra, MBBS/MDDavenport, IA 528071215184726
- Ghada Hamdan-Allen, MDDavenport, IA 528071912991340
Common questions
What is Gary C. Olson, MD's NPI number?
Gary C. Olson, MD's National Provider Identifier (NPI) is 1699734129, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary C. Olson, MD located?
The NPPES record lists a practice address at 1441 W Central Park Ave, Davenport, IA, 52804. Phone: (563) 383-1900. Providers update this record themselves, so call before visiting.
How can I verify Gary C. Olson, MD's license?
NPPES lists Iowa license number 18714, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.