Nancy Hemmingson, OD
NPI 1265597470 · Optometrist · Marshall, MN
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Hemmingson, OD is a Optometrist provider in Marshall, MN (NPI 1265597470).
Provider details
- NPI number
- 1265597470
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 1894 (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
232 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 Complete Exam of Visual System92014 | 83 | $127 |
| Established Patient Problem Focused Exam of Visual System92012 | 62 | $92 |
| Imaging of Retina92134 | 36 | $41 |
| Imaging of Optic Nerve92133 | 27 | $35 |
| Exam of Visual Field With Extended Testing92083 | 24 | $65 |
Typical Medicare-allowed amounts for these services range $35–$127 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 422 | 82 |
| Timolol Maleate | 92 | 27 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 64 | 16 |
| Dorzolamide Hcl | 48 | — |
| Cyclosporinebrand: Restasis | 40 | — |
| Brimonidine Tartrate | 36 | — |
| Bimatoprostbrand: Lumigan | 21 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-27
- Last updated
- 2015-03-27
Frequently asked questions
- What is Nancy Hemmingson's NPI number?
- Nancy Hemmingson's National Provider Identifier (NPI) is 1265597470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Hemmingson's specialty?
- Nancy Hemmingson is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nancy Hemmingson located?
- Nancy Hemmingson's practice location on file with NPPES is 300 S Bruce Street, Marshall, MN 56258.
- What is Nancy Hemmingson's phone number?
- The practice phone number listed in the NPPES registry for Nancy Hemmingson is (507) 537-1427.
- Does Nancy Hemmingson accept Medicare?
- Nancy Hemmingson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Hemmingson's NPI active?
- Yes — Nancy Hemmingson's NPI (1265597470) is active in the NPPES registry as of the last update on 2015-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.