William Hartman, OD
NPI 1639183734 · Optometrist · Wadena, MN
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hartman, OD is a Optometrist provider in Wadena, MN (NPI 1639183734).
Provider details
- NPI number
- 1639183734
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 2355 (MN)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
794 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 212 | $93 |
| Established Patient Complete Exam of Visual System92014 | 174 | $131 |
| Photography of the Retina92250 | 169 | $38 |
| Imaging of Retina92134 | 96 | $42 |
| Exam of the Internal Drainage System of Eye92020 | 52 | $28 |
| Exam of Visual Field With Extended Testing92083 | 39 | $66 |
| Imaging of Optic Nerve |
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 | 254 | 68 |
| Timolol Maleate | 46 | 15 |
| Brimonidine Tartrate | 32 | — |
| Travoprost | 24 | — |
| Dorzolamide Hcl | 18 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 18 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 15 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Hartman's NPI number?
- William Hartman's National Provider Identifier (NPI) is 1639183734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hartman's specialty?
- William Hartman is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is William Hartman located?
- William Hartman's practice location on file with NPPES is 315 Jefferson St S, Wadena, MN 56482-1533.
- What is William Hartman's phone number?
- The practice phone number listed in the NPPES registry for William Hartman is (218) 631-1456.
- Does William Hartman accept Medicare?
- William Hartman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hartman's NPI active?
- Yes — William Hartman's NPI (1639183734) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.