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William Gilliland, M.D.
NPI 1750476719 · Rheumatology Physician · Washington, DC
William Gilliland, M.D. is a Rheumatology Physician provider in Washington, DC (NPI 1750476719).
Provider details
- NPI number
- 1750476719
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 29252 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Walter Reed Army Medical Ctr
6900 Georgia Avenue, Nw
Washington, DC 20307-0001
Phone: (202) 782-4039
Fax: (202) 782-7363
Mailing address
4301 Jones Bridge Rd
Bethesda, MD 20814-4712
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Gilliland's NPI number?
- William Gilliland's National Provider Identifier (NPI) is 1750476719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gilliland's specialty?
- William Gilliland is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Gilliland located?
- William Gilliland's practice location on file with NPPES is Walter Reed Army Medical Ctr, Washington, DC 20307-0001.
- What is William Gilliland's phone number?
- The practice phone number listed in the NPPES registry for William Gilliland is (202) 782-4039.
- Is William Gilliland's NPI active?
- Yes — William Gilliland's NPI (1750476719) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.