Timothy R. Pieh, MD
Ophthalmology Physician · Willmar, MN
Timothy R. Pieh, MD is an ophthalmology physician with a practice address in Willmar, Minnesota, and NPI 1720054497, issued on Feb 23, 2006. Check the license (Minnesota 29404, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Timothy R. Pieh
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 29404 MN
Self-reported in NPPES; status is on the state search - Practice location
- 101 Willmar Ave SW, Willmar, MN 56201
- Phone
- (320) 231-5000
- Enumerated
- Feb 23, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (320) 231-5067
- Medicare enrollment
- Enrolled (PECOS I20091229000068); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1984
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 434 in Minnesota → Look up another NPI →
Also registered at 101 Willmar Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Abrams, M.D.Family Medicine Physician1265498430
- Yasin AhmedPhysician Assistant1760103345
- Katherine AndersonPharmacist1730798760
- Michael Anderson, MDInternal Medicine Physician1760459127
- Norris Anderson, MDFamily Medicine Physician1598732893
- James Andresen, PHYSICAL THERAPISTPhysical Therapist1386708907
Verify Timothy R. Pieh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 29404Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average ophthalmology physician in 2024
46 Medicare Part D claims for 18 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost20 claims
- Dorzolamide-Timolol13 claims
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.
Bills Medicare through one group practice
- Dvorak Cataract And Eye Laser Clinic, PASauk Rapids, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy R. Pieh among 434 ophthalmology physician records in Minnesota
Timothy R. Pieh, MD is one of 434 ophthalmology physician records with a practice address in Minnesota. 75% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1984 · median 2006 among the 282 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Minnesota
There are 434 ophthalmology physician records in Minnesota.
All 434 in Minnesota → Every provider in Willmar → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ina Drown, M.D.Willmar, MN 562011104872324
- Jeffrey Fischer, M.D.Willmar, MN 562011386693604
- Gregory Nelson, M.D.Willmar, MN 562011083823272
- Katherine Shin, MDWillmar, MN 562011336115062
- Theodore Fritsche, M.D.Marshall, MN 562581598830036
- Chee Ho, MDMarshall, MN 562581558364513
- Curtis Louwagie, M.D.Marshall, MN 562581689688897
- Ajay Shalwala, M.D.Marshall, MN 562581770711889
Common questions
What is Timothy R. Pieh, MD's NPI number?
Timothy R. Pieh, MD's National Provider Identifier (NPI) is 1720054497, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy R. Pieh, MD located?
The NPPES record lists a practice address at 101 Willmar Ave SW, Willmar, MN, 56201. Phone: (320) 231-5000. Providers update this record themselves, so call before visiting.
How can I verify Timothy R. Pieh, MD's license?
NPPES lists Minnesota license number 29404, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy R. Pieh, MD prescribe under Medicare Part D?
In 2024, Timothy R. Pieh, MD had 46 Medicare Part D claims for 18 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.