Digestive Disease Associates, LLC
NPI 1407400955 · Gastroenterology Physician · Baltimore, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Digestive Disease Associates, LLC is a Gastroenterology Physician organization in Baltimore, MD (NPI 1407400955).
Provider details
- NPI number
- 1407400955
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alan Oliver, Ceo(745) 372-3055
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Anesthesiology Physician207L00000X
Allopathic & Osteopathic Physicians
- Transplant Hepatology Physician207RT0003X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 10710 Charter Dr Ste 110Columbia, MD 21044-3258Phone: (410) 992-9797Fax: (410) 730-0942
Registry dates
- Enumerated
- 2019-08-01
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is Digestive Disease Associates, LLC's NPI number?
- Digestive Disease Associates, LLC's National Provider Identifier (NPI) is 1407400955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Digestive Disease Associates, LLC?
- Digestive Disease Associates, LLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Digestive Disease Associates, LLC located?
- Digestive Disease Associates, LLC's practice location on file with NPPES is 700 Geipe Road Ste 230, Baltimore, MD 21228-4176.
- What is Digestive Disease Associates, LLC's phone number?
- The practice phone number listed in the NPPES registry for Digestive Disease Associates, LLC is (410) 247-7500.
- Does Digestive Disease Associates, LLC accept Medicare?
- Digestive Disease Associates, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Digestive Disease Associates, LLC?
- The authorized official listed on Digestive Disease Associates, LLC's NPPES record is Alan Oliver, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Digestive Disease Associates, LLC's NPI active?
- Yes — Digestive Disease Associates, LLC's NPI (1407400955) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.