OrganizationActive
Dr. Stewart Callis
NPI 1871773804 · Neurology Physician · Oakland, MD
Dr. Stewart Callis is a Neurology Physician organization in Oakland, MD (NPI 1871773804).
Provider details
- NPI number
- 1871773804
- Entity type
- Organization
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Stewart Callis, Owner(301) 334-5281
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
317 E Oak St
Oakland, MD 21550-1503
Phone: (301) 334-5281
Fax: (301) 334-2535
Street-level locationGet directions
Mailing address
317 E Oak St
Oakland, MD 21550-1503
Registry dates
- Enumerated
- 2007-11-07
- Last updated
- 2007-11-07
Frequently asked questions
- What is Dr. Stewart Callis's NPI number?
- Dr. Stewart Callis's National Provider Identifier (NPI) is 1871773804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Stewart Callis?
- Dr. Stewart Callis is classified in the NPPES registry as Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Dr. Stewart Callis located?
- Dr. Stewart Callis's practice location on file with NPPES is 317 E Oak St, Oakland, MD 21550-1503.
- What is Dr. Stewart Callis's phone number?
- The practice phone number listed in the NPPES registry for Dr. Stewart Callis is (301) 334-5281.
- Who is the authorized official for Dr. Stewart Callis?
- The authorized official listed on Dr. Stewart Callis's NPPES record is Stewart Callis, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Stewart Callis's NPI active?
- Yes — Dr. Stewart Callis's NPI (1871773804) is active in the NPPES registry as of the last update on 2007-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.