Joseph Merck
NPI 1558742783 · Ophthalmology Physician · Crosby, MN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Merck is a Ophthalmology Physician provider in Crosby, MN (NPI 1558742783).
Provider details
- NPI number
- 1558742783
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- BP10054312 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,613 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 | 231 | $124 |
| Imaging of Retina92134 | 219 | $39 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 208 | $412 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 196 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 186 | $124 |
| Microfluid Analysis of Tears83861 | 109 | $22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 417 | 240 |
| Ketorolac Tromethamine | 356 | 212 |
| Latanoprost | 354 | 112 |
| Moxifloxacin Hclbrand: Moxifloxacin | 339 | 209 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 139 | 42 |
| Brimonidine Tartrate | 76 | 23 |
| Erythromycin Basebrand: Erythromycin | 65 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (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 (1)
- 2401 S 31st StTemple, TX 76508-0001Phone: (254) 724-2364
Registry dates
- Enumerated
- 2015-06-12
- Last updated
- 2019-08-06
Frequently asked questions
- What is Joseph Merck's NPI number?
- Joseph Merck's National Provider Identifier (NPI) is 1558742783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Merck's specialty?
- Joseph Merck is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Merck located?
- Joseph Merck's practice location on file with NPPES is 1 3rd Ave Ne, Crosby, MN 56441-1665.
- What is Joseph Merck's phone number?
- The practice phone number listed in the NPPES registry for Joseph Merck is (218) 546-5108.
- Does Joseph Merck accept Medicare?
- Joseph Merck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Merck's NPI active?
- Yes — Joseph Merck's NPI (1558742783) is active in the NPPES registry as of the last update on 2019-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.