What is Steven Day's NPI number?

Steven Day's National Provider Identifier (NPI) is 1528066594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Steven Day's specialty?

Steven Day is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is Steven Day located?

Steven Day's practice location on file with NPPES is 427 S Bernard St, Spokane, WA 99204-2509.

What is Steven Day's phone number?

The practice phone number listed in the NPPES registry for Steven Day is (509) 456-0107.

Does Steven Day accept Medicare?

Steven Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Steven Day's NPI active?

Yes — Steven Day's NPI (1528066594) is active in the NPPES registry as of the last update on 2024-07-31.

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Steven Day, M.D.

NPI 1528066594 · Ophthalmology Physician · Spokane, WA

Steven Day, M.D. is a Ophthalmology Physician provider in Spokane, WA (NPI 1528066594).

Provider details

NPI number: 1528066594
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: MD00036000 (WA)

Practice location

427 S Bernard St

Spokane, WA 99204-2509

Phone: (509) 456-0107

Fax: (509) 747-2635

Street-level locationGet directions

More WA providers

Mailing address

427 S Bernard St

Spokane, WA 99204-2509

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense MD00036000 (WA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(88/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
21 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
3,944 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 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	839	$92
Exam of Visual Field With Extended Testing92083	563	$64
Established Patient Complete Exam of Visual System92014	480	$128
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	444	$130
Imaging of Optic Nerve92133	420	$37
Measurement of Corneal Curvature and Depth of Eye92136	320	$25

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Latanoprost	2,081	549
Timolol Maleate	894	297
Prednisolone Acetate	675	348
Brimonidine Tartrate	646	198
Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol	621	170
Ofloxacin	582	367
Ketorolac Tromethamine	392	229
Dorzolamide Hcl	381

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$214 across 10 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.

Enumerated: 2005-07-13
Last updated: 2024-07-31
Certified: 2024-07-31

Frequently asked questions

What is Steven Day's NPI number?: Steven Day's National Provider Identifier (NPI) is 1528066594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Steven Day's specialty?: Steven Day is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
Where is Steven Day located?: Steven Day's practice location on file with NPPES is 427 S Bernard St, Spokane, WA 99204-2509.
What is Steven Day's phone number?: The practice phone number listed in the NPPES registry for Steven Day is (509) 456-0107.
Does Steven Day accept Medicare?: Steven Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Steven Day's NPI active?: Yes — Steven Day's NPI (1528066594) is active in the NPPES registry as of the last update on 2024-07-31.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

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	839	$92
Exam of Visual Field With Extended Testing92083	563	$64
Established Patient Complete Exam of Visual System92014	480	$128
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	444	$130
Imaging of Optic Nerve92133	420	$37
Measurement of Corneal Curvature and Depth of Eye92136	320	$25

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Latanoprost	2,081	549
Timolol Maleate	894	297
Prednisolone Acetate	675	348
Brimonidine Tartrate	646	198
Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol	621	170
Ofloxacin	582	367
Ketorolac Tromethamine	392	229
Dorzolamide Hcl	381

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$214 across 10 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments