NPPES file of Aug 9, 2026

William J. Welder, OD

Optometrist · Wahpeton, ND

William J. Welder, OD is an optometrist with a practice address in Wahpeton, North Dakota, and NPI 1629097332, issued on Jul 19, 2006. Check the license (North Dakota ND0534, as entered in NPPES) with the North Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629097332
Name
William J. Welder
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
ND0534 ND
Self-reported in NPPES; status is on the state search
Practice location
315 11TH St N, Wahpeton, ND 58075
Phone
(701) 642-4090
Enumerated
Jul 19, 2006
Record last updated
Jun 16, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(701) 642-9424
Medicaid IDs
545318600 MN
60480 ND
Medicare enrollment
Enrolled (PECOS I20050309000218); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 315 11TH St N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wyman Jorgenson, ODOptometrist1851317846

Verify William J. Welder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Dakota board licenses this profession
    Search for license ND0534
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the North Dakota license search

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3% more Medicare Part D claims than the average optometrist in 2024

286 Medicare Part D claims for 72 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.

  1. William Welder286
  2. Specialty average277

Most prescribed

  1. Latanoprost118 claims
  2. Restasis21 claims
  3. Brimonidine Tartrate-Timolol20 claims
  4. Brimonidine Tartrate18 claims
  5. Prednisolone Acetate18 claims
  6. Rocklatan16 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.

Industry payments in 2024: $91.45

5 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Welder$91.45
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Prairie Vision Center PCWahpeton, ND

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William J. Welder among 236 optometrist records in North Dakota

William J. Welder, OD is one of 236 optometrist records with a practice address in North Dakota. 80% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 53% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1995 · median 2007 among the 172 with a school on file
  • Record last updated2008 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 optometrist records list a practice address in Wahpeton

They are 6 of the 191 NPPES records with a practice address in Wahpeton, and 236 optometrist records in North Dakota.

The 8 optometrist records with the nearest ZIP codes

  1. James Connelly, O.D.Wahpeton, ND 580751508884016
  2. Wyman Jorgenson, ODWahpeton, ND 580751851317846
  3. Shila Lampl, ODWahpeton, ND 580751487661351
  4. Sarah Myron, O.D.Wahpeton, ND 580751235141698
  5. Benjamin Verkuilen, ODWahpeton, ND 580751376383935
  6. Madison BoshWest Fargo, ND 580781295414472
  7. John Dye, O.D.West Fargo, ND 580781003085523
  8. Brooke Messer, O.D.West Fargo, ND 580781114239282

Common questions

What is William J. Welder, OD's NPI number?

William J. Welder, OD's National Provider Identifier (NPI) is 1629097332, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William J. Welder, OD located?

The NPPES record lists a practice address at 315 11TH St N, Wahpeton, ND, 58075. Phone: (701) 642-4090. Providers update this record themselves, so call before visiting.

How can I verify William J. Welder, OD's license?

NPPES lists North Dakota license number ND0534, as entered by the provider. Search the North Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does William J. Welder, OD prescribe under Medicare Part D?

In 2024, William J. Welder, OD had 286 Medicare Part D claims for 72 beneficiaries; the average among optometrist prescribers was 277. 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.