Oregon Jai McDiarmid, MD
Family Medicine Physician · Dallas, TX
Oregon Jai McDiarmid, MD is a family medicine physician with a practice address in Dallas, Texas, and NPI 1114676749, issued on Mar 21, 2022. Check the license (Texas V9940, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Oregon Jai McDiarmid
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- V9940 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4922 Spring Ave, Dallas, TX 75210
- Phone
- (214) 421-7848
- Enumerated
- Mar 21, 2022
- Record last updated
- Aug 6, 2025
- Fax
- (214) 421-1119
- Medicare enrollment
- Enrolled (PECOS I20251121003653); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 4922 Spring Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Oregon Jai McDiarmid in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V9940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
138 Medicare Part D claims for 44 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% 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.
Oregon Jai McDiarmid among 11,119 family medicine physician records in Texas
Oregon Jai McDiarmid, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2020 · median 2004 among the 7,095 with a school on file
- Record last updated2025 · 51% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
509 family medicine physician records list a practice address in Dallas
They are 509 of the 36,304 NPPES records with a practice address in Dallas, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Dallas → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Alan Berg, DODallas, TX 752111144256850
- Kevin Bryant, DODallas, TX 752111790871127
- Danh Duong, MDDallas, TX 752111548233513
- Sharon Fernandez, M.D.Dallas, TX 752111497732275
Common questions
What is Oregon Jai McDiarmid, MD's NPI number?
Oregon Jai McDiarmid, MD's National Provider Identifier (NPI) is 1114676749, issued on Mar 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Oregon Jai McDiarmid, MD located?
The NPPES record lists a practice address at 4922 Spring Ave, Dallas, TX, 75210. Phone: (214) 421-7848. Providers update this record themselves, so call before visiting.
How can I verify Oregon Jai McDiarmid, MD's license?
NPPES lists Texas license number V9940, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Oregon Jai McDiarmid, MD prescribe under Medicare Part D?
In 2024, Oregon Jai McDiarmid, MD had 138 Medicare Part D claims for 44 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.