John L. Washburn, MD
Family Medicine Physician · McKinney, TX
John L. Washburn, MD is a family medicine physician with a practice address in McKinney, Texas, and NPI 1043280266, issued on Jan 23, 2006. Check the license (Texas M2495, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John L. Washburn
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- M2495 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5220 W University Dr Ste 100, McKinney, TX 75071
- Phone
- (469) 800-5100
- Enumerated
- Jan 23, 2006
- Record last updated
- Apr 12, 2022
- Fax
- (469) 800-5110
- Medicare enrollment
- Enrolled (PECOS I20080625000514); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 5220 W University Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tenesha Chappell, M.D.Internal Medicine Physician1952326605
- Matthew Green, M.D.Family Medicine Physician1417005828
- Cassie Grimmett, APRN, FNP-CFamily Nurse Practitioner1114486586
Verify John L. Washburn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M2495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average family medicine physician in 2024
6,515 Medicare Part D claims for 537 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 27 claims were for opioids.
Most prescribed
- Atorvastatin Calcium344 claims
- Levothyroxine Sodium284 claims
- Amlodipine Besylate260 claims
- Lisinopril260 claims
- Losartan Potassium211 claims
- Metoprolol Succinate190 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.
Industry payments in 2024: $18.57
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Healthtexas Provider NetworkIrving, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John L. Washburn among 11,119 family medicine physician records in Texas
John L. Washburn, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2001 · median 2004 among the 7,095 with a school on file
- Record last updated2022 · 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).
91 family medicine physician records list a practice address in McKinney
They are 91 of the 3,263 NPPES records with a practice address in McKinney, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in McKinney → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nicolle Block, M.D.McKinney, TX 750711336369370
- Timothy Brinkman, M.D.McKinney, TX 750711821065699
- George Childress, MDMcKinney, TX 750711023102480
- Shannon Deshazo, M.D.McKinney, TX 750711427261288
- Sheridan Evans, M.D.McKinney, TX 750711164439469
- Jeffrey George, M.D.McKinney, TX 750711902878481
- Matthew Green, M.D.McKinney, TX 750711417005828
- Jessica Kumar-Flores, MDMcKinney, TX 750711093834459
Common questions
What is John L. Washburn, MD's NPI number?
John L. Washburn, MD's National Provider Identifier (NPI) is 1043280266, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John L. Washburn, MD located?
The NPPES record lists a practice address at 5220 W University Dr Ste 100, McKinney, TX, 75071. Phone: (469) 800-5100. Providers update this record themselves, so call before visiting.
How can I verify John L. Washburn, MD's license?
NPPES lists Texas license number M2495, 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 John L. Washburn, MD prescribe under Medicare Part D?
In 2024, John L. Washburn, MD had 6,515 Medicare Part D claims for 537 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.