John Kroger, M.D.
NPI 1740712785 · Ophthalmology Physician · Marion, OH
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Kroger, M.D. is a Ophthalmology Physician provider in Marion, OH (NPI 1740712785).
Provider details
- NPI number
- 1740712785
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35141469 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
1,893 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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 504 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 380 | $87 |
| Imaging of Retina92134 | 188 | $37 |
| Imaging of Optic Nerve92133 | 123 | $34 |
| Exam of Visual Field With Extended Testing92083 | 101 | $53 |
| Measurement of Retinal and Optic Nerve Function92273 | 92 | $117 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 441 | 91 |
| Prednisolone Acetate | 282 | 147 |
| Ciprofloxacin Hcl | 197 | 122 |
| Timolol Maleate | 161 | 37 |
| Brimonidine Tartrate | 74 | 23 |
| Erythromycin Basebrand: Erythromycin | 62 | 45 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 61 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$456 across 15 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
Registry dates
- Enumerated
- 2017-03-29
- Last updated
- 2022-07-25
- Certified
- 2022-07-25
Frequently asked questions
- What is John Kroger's NPI number?
- John Kroger's National Provider Identifier (NPI) is 1740712785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Kroger's specialty?
- John Kroger is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Kroger located?
- John Kroger's practice location on file with NPPES is 1462 Marion Waldo Rd, Marion, OH 43302-7422.
- What is John Kroger's phone number?
- The practice phone number listed in the NPPES registry for John Kroger is (740) 389-5418.
- Does John Kroger accept Medicare?
- John Kroger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Kroger's NPI active?
- Yes — John Kroger's NPI (1740712785) is active in the NPPES registry as of the last update on 2022-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.