Glen Nydam, O.D.
NPI 1003887688 · Optometrist · Mitchell, SD
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glen Nydam, O.D. is a Optometrist provider in Mitchell, SD (NPI 1003887688).
Provider details
- NPI number
- 1003887688
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 542 (SD)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,350 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 507 | $130 |
| Established Patient Problem Focused Exam of Visual System92012 | 185 | $91 |
| Imaging of Optic Nerve92133 | 172 | $36 |
| Imaging of Retina92134 | 172 | $41 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 170 | $92 |
| Exam of Visual Field With Extended Testing92083 | 58 | $65 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 218 | 40 |
| Timolol Maleate | 52 | 16 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 28 | 23 |
| Erythromycin Basebrand: Erythromycin | 22 | — |
| Brimonidine Tartrate | 19 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 19 | 17 |
| Prednisolone Acetate | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$65 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2022-11-10
- Certified
- 2022-11-10
Frequently asked questions
- What is Glen Nydam's NPI number?
- Glen Nydam's National Provider Identifier (NPI) is 1003887688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glen Nydam's specialty?
- Glen Nydam is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Glen Nydam located?
- Glen Nydam's practice location on file with NPPES is 305 N Sanborn Blvd, Mitchell, SD 57301-2449.
- What is Glen Nydam's phone number?
- The practice phone number listed in the NPPES registry for Glen Nydam is (605) 996-2537.
- Does Glen Nydam accept Medicare?
- Glen Nydam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glen Nydam's NPI active?
- Yes — Glen Nydam's NPI (1003887688) is active in the NPPES registry as of the last update on 2022-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.