Robert D. Mathieson and Associates, M.D., LLC
NPI 1972601433 · Gastroenterology Physician · Baltimore, MD
Robert D. Mathieson and Associates, M.D., LLC is a Gastroenterology Physician organization in Baltimore, MD (NPI 1972601433).
Provider details
- NPI number
- 1972601433
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Robert Mathieson, President(410) 243-4460
- License
- D21327 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-09-20
- Last updated
- 2008-05-05
Frequently asked questions
- What is Robert D. Mathieson and Associates, M.D., LLC's NPI number?
- Robert D. Mathieson and Associates, M.D., LLC's National Provider Identifier (NPI) is 1972601433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robert D. Mathieson and Associates, M.D., LLC?
- Robert D. Mathieson and Associates, M.D., LLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert D. Mathieson and Associates, M.D., LLC located?
- Robert D. Mathieson and Associates, M.D., LLC's practice location on file with NPPES is 3333 N Calvert St, Baltimore, MD 21218-2867.
- What is Robert D. Mathieson and Associates, M.D., LLC's phone number?
- The practice phone number listed in the NPPES registry for Robert D. Mathieson and Associates, M.D., LLC is (410) 243-4460.
- Who is the authorized official for Robert D. Mathieson and Associates, M.D., LLC?
- The authorized official listed on Robert D. Mathieson and Associates, M.D., LLC's NPPES record is Robert Mathieson, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robert D. Mathieson and Associates, M.D., LLC's NPI active?
- Yes — Robert D. Mathieson and Associates, M.D., LLC's NPI (1972601433) is active in the NPPES registry as of the last update on 2008-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.