Donald William Ferguson, M.D.
Internal Medicine Physician · Arlington, TX
Donald William Ferguson, M.D. is an internal medicine physician with a practice address in Arlington, Texas, and NPI 1558478875, issued on Aug 23, 2006. Check the license (Texas L6039, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donald William Ferguson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L6039 TX
Self-reported in NPPES; status is on the state search - Practice location
- 601 Omega Dr, Arlington, TX 76014
- Phone
- (817) 557-6227
- Enumerated
- Aug 23, 2006
- Record last updated
- May 6, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (817) 557-6247
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 601 Omega Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ermilo Dilley, MDPulmonary Disease Physician1528054723
- Lorna Ferguson, M.D.Internal Medicine Physician1639286966
- Lindsey Smarz, APRNGerontology Clinical Nurse Specialist1922496421
- Jerilyn Turner, M.T.Massage Therapist1962838789
Verify Donald William Ferguson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L6039Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
92 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Amlodipine Besylate13 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.
Donald William Ferguson among 9,175 internal medicine physician records in Texas
Donald William Ferguson, M.D. is one of 9,175 internal 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2011 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
100 internal medicine physician records list a practice address in Arlington
They are 100 of the 5,219 NPPES records with a practice address in Arlington, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Arlington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jiaul Ahsan, MDArlington, TX 760141114956877
- Lorna Ferguson, M.D.Arlington, TX 760141639286966
- Arundhati Harati, MDArlington, TX 760141124085774
- Joseph McClaran, MDArlington, TX 760141902807001
- Allen Su, MDArlington, TX 760141356488332
- Anas Al Hallak, MDArlington, TX 760131386059046
- Mark Batrice, M.D.Arlington, TX 760151164478038
- Hamid Burney, MDArlington, TX 760151134125453
Common questions
What is Donald William Ferguson, M.D.'s NPI number?
Donald William Ferguson, M.D.'s National Provider Identifier (NPI) is 1558478875, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald William Ferguson, M.D. located?
The NPPES record lists a practice address at 601 Omega Dr, Arlington, TX, 76014. Phone: (817) 557-6227. Providers update this record themselves, so call before visiting.
How can I verify Donald William Ferguson, M.D.'s license?
NPPES lists Texas license number L6039, 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 Donald William Ferguson, M.D. prescribe under Medicare Part D?
In 2024, Donald William Ferguson, M.D. had 92 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.