Dean Allen Deason, M.D.
Internal Medicine Physician · Bethany, OK
Dean Allen Deason, M.D. is an internal medicine physician with a practice address in Bethany, Oklahoma, and NPI 1841522091, issued on Feb 12, 2010. Check the license (Oklahoma 19457, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dean Allen Deason
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 19457 OK
Self-reported in NPPES; status is on the state search - Practice location
- 7816 NW 21St St, Bethany, OK 73008
- Phone
- (405) 202-0138
- Enumerated
- Feb 12, 2010
- Record last updated
- Feb 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Verify Dean Allen Deason 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 19457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dean Allen Deason among 1,115 internal medicine physician records in Oklahoma
Dean Allen Deason, M.D. is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% 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 2010, is newer than 55% of them.
- NPI issued2010 · 55% of these records are older, 43% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2010 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Oklahoma
There are 1,115 internal medicine physician records in Oklahoma. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,115 in Oklahoma → Every provider in Bethany → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Brown, MDBethany, OK 730081003888462
- Isaac Ilaoa, D.OBethany, OK 730081336415280
- Mark Weissman, M.D.Bethany, OK 730081336365568
- Carmen Bird Pico, MDAnadarko, OK 730051396184875
- Faris AmilEdmond, OK 730121245995646
- Sarfaraz Anwar, M.DEdmond, OK 730121467408021
- Jesse Campbell, MDEdmond, OK 730031982653721
- Audrey Goodwin, MDEdmond, OK 730131952661688
Common questions
What is Dean Allen Deason, M.D.'s NPI number?
Dean Allen Deason, M.D.'s National Provider Identifier (NPI) is 1841522091, issued on Feb 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Dean Allen Deason, M.D. located?
The NPPES record lists a practice address at 7816 NW 21St St, Bethany, OK, 73008. Phone: (405) 202-0138. Providers update this record themselves, so call before visiting.
How can I verify Dean Allen Deason, M.D.'s license?
NPPES lists Oklahoma license number 19457, 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.
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.