Joseph Merck
Ophthalmology Physician · Crosby, MN
Joseph Merck is an ophthalmology physician with a practice address in Crosby, Minnesota, and NPI 1558742783, issued on Jun 12, 2015. Check the license (Minnesota 65042, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Joseph Merck
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 65042 MN
BP10054312 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1 3RD Ave NE, Crosby, MN 56441
- Phone
- (218) 546-5108
- Enumerated
- Jun 12, 2015
- Record last updated
- Aug 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (218) 546-5736
- Medicare enrollment
- Enrolled (PECOS I20190610002823); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2015
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 434 in Minnesota → Look up another NPI →
Also registered at 1 3RD Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Ahlquist, M.D.Ophthalmology Physician1215221189
- Cassie Mairs Knipple, ODOptometrist1710214432
- Stacy Sjoberg, M.D., PHDOphthalmology Physician1275584815
- Richard West, O.D.Optometrist1407803844
- Matthew Wiedell, O.D.Optometrist1376432435
- Mary Zeise, O.D.Optometrist1821044041
Verify Joseph Merck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 65042Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average ophthalmology physician in 2024
2,041 Medicare Part D claims for 447 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Prednisolone Acetate417 claims
- Ketorolac Tromethamine356 claims
- Latanoprost354 claims
- Moxifloxacin339 claims
- Dorzolamide-Timolol139 claims
- Brimonidine Tartrate76 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $14.80
1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- S Sjoberg PLCCrosby, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Merck among 434 ophthalmology physician records in Minnesota
Joseph Merck is one of 434 ophthalmology physician records with a practice address in Minnesota. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2015 · median 2006 among the 282 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 ophthalmology physician records list a practice address in Crosby
They are 3 of the 184 NPPES records with a practice address in Crosby, and 434 ophthalmology physician records in Minnesota.
All 434 in Minnesota → Every provider in Crosby → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Adam Ahlquist, M.D.Crosby, MN 564411215221189
- Stacy Sjoberg, M.D., PHDCrosby, MN 564411275584815
- David Sabir, M.D.Brainerd, MN 564011942293949
- Shannon Cabrera, MDSartell, MN 563771457423782
- Vamsi Gullapalli, MD, PHDSartell, MN 563771649477787
- Dale Reynolds, M.D. PH.D.Sartell, MN 563771578531364
- Brian Schmidt, MDFergus Falls, MN 565371295835015
- Steven Thom, MDFergus Falls, MN 565371063434637
Common questions
What is Joseph Merck's NPI number?
Joseph Merck's National Provider Identifier (NPI) is 1558742783, issued on Jun 12, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Merck located?
The NPPES record lists a practice address at 1 3RD Ave NE, Crosby, MN, 56441. Phone: (218) 546-5108. Providers update this record themselves, so call before visiting.
How can I verify Joseph Merck's license?
NPPES lists Minnesota license number 65042, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Merck prescribe under Medicare Part D?
In 2024, Joseph Merck had 2,041 Medicare Part D claims for 447 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.