Gary Warren Hamlin, D.O.
Family Medicine Physician · Joplin, MO
Gary Warren Hamlin, D.O. is a family medicine physician with a practice address in Joplin, Missouri, and NPI 1295936292, issued on May 29, 2007. Check the license (Missouri 34816, 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 Warren Hamlin
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 34816 MO
Self-reported in NPPES; status is on the state search - Practice location
- 101 N Range Line RD, Joplin, MO 64801
- Phone
- (417) 781-4250
- Enumerated
- May 29, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (417) 781-5544
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Also registered at 101 N Range Line RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jolene Fenske, O.D.Optometrist1760482228
Verify Gary Warren Hamlin 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 34816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
460 Medicare Part D claims for 53 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 289 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen127 claims
- Oxycodone-Acetaminophen113 claims
- Oxycodone Hcl34 claims
- Venlafaxine Hcl Er22 claims
- Donepezil Hcl13 claims
- Pravastatin Sodium13 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.
Gary Warren Hamlin among 2,991 family medicine physician records in Missouri
Gary Warren Hamlin, D.O. is one of 2,991 family medicine physician records with a practice address in Missouri. 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2025 · 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 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 family medicine physician records list a practice address in Joplin
They are 31 of the 2,443 NPPES records with a practice address in Joplin, and 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Joplin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Brianna Clark, DOJoplin, MO 648011043707854
- Thomas Hamilton, D.O.Joplin, MO 648011902800659
- Michael Knapp, DOJoplin, MO 648011689776148
- Michael Neely, MDJoplin, MO 648011255468468
- John Paulson, DOJoplin, MO 648011801077797
- Scott Pusateri, MDJoplin, MO 648011538139563
- Bruce Akuna, DOJoplin, MO 648041326099516
- Cynthia Croy, MDJoplin, MO 648041720080336
Common questions
What is Gary Warren Hamlin, D.O.'s NPI number?
Gary Warren Hamlin, D.O.'s National Provider Identifier (NPI) is 1295936292, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary Warren Hamlin, D.O. located?
The NPPES record lists a practice address at 101 N Range Line RD, Joplin, MO, 64801. Phone: (417) 781-4250. Providers update this record themselves, so call before visiting.
How can I verify Gary Warren Hamlin, D.O.'s license?
NPPES lists Missouri license number 34816, 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 Warren Hamlin, D.O. prescribe under Medicare Part D?
In 2024, Gary Warren Hamlin, D.O. had 460 Medicare Part D claims for 53 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.