Timothy Roy Waterman, MD
Internal Medicine Physician · Aberdeen, SD
Timothy Roy Waterman, MD is an internal medicine physician with a practice address in Aberdeen, South Dakota, and NPI 1326007899, issued on Mar 22, 2006. Check the license (South Dakota 3561, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Timothy Roy Waterman
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3561 SD
Self-reported in NPPES; status is on the state search - Practice location
- 815 1St Ave SE, Aberdeen, SD 57401
- Phone
- (605) 622-5458
- Enumerated
- Mar 22, 2006
- Record last updated
- Jul 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (605) 622-5473
- Medicaid ID
- 6002550 SD
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 247 in South Dakota → Look up another NPI →
Also registered at 815 1St Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Daggett, PHARMDPharmacist1588752463
- Kendall Goetz, R.PH.Pharmacist1588715064
- Blake Heinz, D.O.Internal Medicine Physician1871869172
- Arlin Myrmoe, M.D.Internal Medicine Physician1184893349
- Marie Quaschnick, CNPFamily Nurse Practitioner1275515736
- Ronald Rovang, M.D.Internal Medicine Physician1295794378
Verify Timothy Roy Waterman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 3561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
32 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Timothy Roy Waterman among 247 internal medicine physician records in South Dakota
Timothy Roy Waterman, MD is one of 247 internal medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2015 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 internal medicine physician records list a practice address in Aberdeen
They are 12 of the 758 NPPES records with a practice address in Aberdeen, and 247 internal medicine physician records in South Dakota.
All 247 in South Dakota → Every provider in Aberdeen → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marc Armstrong, M.D.Aberdeen, SD 574011326453556
- Beenish Fayyaz, MDAberdeen, SD 574011649620675
- John Fritz, M.D.Aberdeen, SD 574011205870136
- Joan Harriott, MDAberdeen, SD 574011285927095
- Blake Heinz, D.O.Aberdeen, SD 574011871869172
- Nida MahamAberdeen, SD 574011689022584
- Arlin Myrmoe, M.D.Aberdeen, SD 574011184893349
- Ronald Rovang, M.D.Aberdeen, SD 574011295794378
Common questions
What is Timothy Roy Waterman, MD's NPI number?
Timothy Roy Waterman, MD's National Provider Identifier (NPI) is 1326007899, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Roy Waterman, MD located?
The NPPES record lists a practice address at 815 1St Ave SE, Aberdeen, SD, 57401. Phone: (605) 622-5458. Providers update this record themselves, so call before visiting.
How can I verify Timothy Roy Waterman, MD's license?
NPPES lists South Dakota license number 3561, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy Roy Waterman, MD prescribe under Medicare Part D?
In 2024, Timothy Roy Waterman, MD had 32 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.