Diana Lynn Hager, M.D.
General Practice Physician · Guthrie, OK
Diana Lynn Hager, M.D. is a general practice physician with a practice address in Guthrie, Oklahoma, and NPI 1023122256, issued on Aug 17, 2006. Check the license (Oklahoma 18136, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Diana Lynn Hager
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 18136 OK
Self-reported in NPPES; status is on the state search - Practice location
- 3106 W University Ave, Guthrie, OK 73044
- Phone
- (405) 282-9333
- Enumerated
- Aug 17, 2006
- Record last updated
- May 13, 2024
- Fax
- (405) 282-9598
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 131 in Oklahoma → Look up another NPI →
Verify Diana Lynn Hager in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 18136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average general practice physician in 2024
18 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Diana Lynn Hager among 131 general practice physician records in Oklahoma
Diana Lynn Hager, M.D. is one of 131 general practice physician records with a practice address in Oklahoma. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 60% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · 34% of these records are
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Oklahoma
There are 131 general practice physician records in Oklahoma.
All 131 in Oklahoma → Every provider in Guthrie → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Michael Houston, MDLexington, OK 730511619195195
- Robert Castro, M.D.El Reno, OK 730361407919269
- Margaret Mehle, M.D.El Reno, OK 730361346245248
- Jesse Sullivan, MDEl Reno, OK 730361285675405
- David West, M.D.Edmond, OK 730341154755619
- Kim McLanahan, M.D.Edmomd, OK 730251982732400
- Harold Haralson, M.D.Noble, OK 730681679520209
- Sarah Busacco, APRN-CNPChickasha, OK 730181235955055
Common questions
What is Diana Lynn Hager, M.D.'s NPI number?
Diana Lynn Hager, M.D.'s National Provider Identifier (NPI) is 1023122256, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diana Lynn Hager, M.D. located?
The NPPES record lists a practice address at 3106 W University Ave, Guthrie, OK, 73044. Phone: (405) 282-9333. Providers update this record themselves, so call before visiting.
How can I verify Diana Lynn Hager, M.D.'s license?
NPPES lists Oklahoma license number 18136, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diana Lynn Hager, M.D. prescribe under Medicare Part D?
In 2024, Diana Lynn Hager, M.D. had 18 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.