Amy Nyquist, O.D.
NPI 1558312249 · Optometrist · Litchfield, MN
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Nyquist, O.D. is a Optometrist provider in Litchfield, MN (NPI 1558312249).
Provider details
- NPI number
- 1558312249
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2970 (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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
422 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 | 182 | $123 |
| Imaging of Optic Nerve92133 | 92 | $35 |
| Established Patient Problem Focused Exam of Visual System92012 | 60 | $87 |
| Imaging of Retina92134 | 35 | $39 |
| Exam of Visual Field With Extended Testing92083 | 31 | $62 |
| New Patient Complete Exam of Visual System92004 | 22 | $144 |
Typical Medicare-allowed amounts for these services range $35–$144 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 397 | 104 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 96 | 21 |
| Levobunolol Hcl | 58 | 12 |
| Timolol Maleate | 45 | 11 |
| Bimatoprostbrand: Lumigan | 44 | — |
| Prednisolone Acetate | 31 | 20 |
| Brimonidine Tartrate | 26 | — |
| Tobramycin/Dexamethasone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$231 across 2 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
Additional practice locations (2)
- 500 Elm St EAnnandale, MN 55302-1149Phone: (320) 593-3100
- 115 Olsen Blvd NeCokato, MN 55321-4796Phone: (320) 593-3100
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2026-02-02
- Certified
- 2026-02-02
Frequently asked questions
- What is Amy Nyquist's NPI number?
- Amy Nyquist's National Provider Identifier (NPI) is 1558312249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Nyquist's specialty?
- Amy Nyquist is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Amy Nyquist located?
- Amy Nyquist's practice location on file with NPPES is 135 N Sibley Ave, Litchfield, MN 55355-2138.
- What is Amy Nyquist's phone number?
- The practice phone number listed in the NPPES registry for Amy Nyquist is (320) 593-3100.
- Does Amy Nyquist accept Medicare?
- Amy Nyquist is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Nyquist's NPI active?
- Yes — Amy Nyquist's NPI (1558312249) is active in the NPPES registry as of the last update on 2026-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.