David W. Kossoff, M.D., LLC
NPI 1437206984 · Specialist · Frederick, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David W. Kossoff, M.D., LLC is a Specialist organization in Frederick, MD (NPI 1437206984).
Provider details
- NPI number
- 1437206984
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Alan Oliver, Ceo(786) 530-3820
- License
- D0054121 (MD)
Specialties & taxonomies
Other Service Providers
Profile Score
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
Mailing address
Other names (DBA / former)
- Doing business as
- Optimal Digestive Care
- Doing business as
- Optimal Digestive Care
Registry dates
- Enumerated
- 2007-01-05
- Last updated
- 2025-05-19
- Certified
- 2025-05-19
Frequently asked questions
- What is David W. Kossoff, M.D., LLC's NPI number?
- David W. Kossoff, M.D., LLC's National Provider Identifier (NPI) is 1437206984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is David W. Kossoff, M.D., LLC?
- David W. Kossoff, M.D., LLC is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is David W. Kossoff, M.D., LLC located?
- David W. Kossoff, M.D., LLC's practice location on file with NPPES is 110 Thomas Johnson Dr Ste 335, Frederick, MD 21702-4949.
- What is David W. Kossoff, M.D., LLC's phone number?
- The practice phone number listed in the NPPES registry for David W. Kossoff, M.D., LLC is (301) 624-5566.
- Does David W. Kossoff, M.D., LLC accept Medicare?
- David W. Kossoff, M.D., 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 David W. Kossoff, M.D., LLC?
- The authorized official listed on David W. Kossoff, M.D., 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 David W. Kossoff, M.D., LLC's NPI active?
- Yes — David W. Kossoff, M.D., LLC's NPI (1437206984) is active in the NPPES registry as of the last update on 2025-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.