Thomas Butler, M.D.
NPI 1548225048 · Medical Oncology Physician · Arlington, VA
Thomas Butler, M.D. is a Medical Oncology Physician provider in Arlington, VA (NPI 1548225048).
Provider details
- NPI number
- 1548225048
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101029485 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-18
- Last updated
- 2023-01-09
- Certified
- 2023-01-09
Frequently asked questions
- What is Thomas Butler's NPI number?
- Thomas Butler's National Provider Identifier (NPI) is 1548225048, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Butler's specialty?
- Thomas Butler is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Butler located?
- Thomas Butler's practice location on file with NPPES is 1635 N George Mason Dr, Arlington, VA 22205-3633.
- What is Thomas Butler's phone number?
- The practice phone number listed in the NPPES registry for Thomas Butler is (703) 894-3800.
- Is Thomas Butler's NPI active?
- Yes — Thomas Butler's NPI (1548225048) is active in the NPPES registry as of the last update on 2023-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.