Timothy Waterman, MD
NPI 1326007899 · Internal Medicine Physician · Aberdeen, SD
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Waterman, MD is a Internal Medicine Physician provider in Aberdeen, SD (NPI 1326007899).
Provider details
- NPI number
- 1326007899
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 3561 (SD)
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
- 2006-03-22
- Last updated
- 2015-07-21
Frequently asked questions
- What is Timothy Waterman's NPI number?
- Timothy Waterman's National Provider Identifier (NPI) is 1326007899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Waterman's specialty?
- Timothy Waterman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Waterman located?
- Timothy Waterman's practice location on file with NPPES is 815 1st Ave Se, Aberdeen, SD 57401-4602.
- What is Timothy Waterman's phone number?
- The practice phone number listed in the NPPES registry for Timothy Waterman is (605) 622-5458.
- Does Timothy Waterman accept Medicare?
- Timothy Waterman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Waterman's NPI active?
- Yes — Timothy Waterman's NPI (1326007899) is active in the NPPES registry as of the last update on 2015-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.