James Johnston, D.O.
NPI 1316940174 · Ophthalmology Physician · Tallmadge, OH
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Johnston, D.O. is a Ophthalmology Physician provider in Tallmadge, OH (NPI 1316940174).
Provider details
- NPI number
- 1316940174
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 4938 (OH)
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
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
1,037 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 384 | $85 |
| Exam of Visual Field With Extended Testing92083 | 94 | $57 |
| Closure of Tear Duct Opening Using Plug68761 | 90 | $116 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 82 | $120 |
| Imaging of Optic Nerve92133 | 78 | $31 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 59 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 622 | 186 |
| Brimonidine Tartrate | 240 | 71 |
| Ketorolac Tromethamine | 221 | 158 |
| Prednisolone Acetate | 144 | 98 |
| Timolol Maleate | 110 | 36 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 106 | 28 |
| Ofloxacin | 84 | 62 |
| Dorzolamide Hcl | 80 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,477 across 67 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
- 2005-05-24
- Last updated
- 2019-03-19
Frequently asked questions
- What is James Johnston's NPI number?
- James Johnston's National Provider Identifier (NPI) is 1316940174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Johnston's specialty?
- James Johnston is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James Johnston located?
- James Johnston's practice location on file with NPPES is 518 West Ave, Tallmadge, OH 44278-2117.
- What is James Johnston's phone number?
- The practice phone number listed in the NPPES registry for James Johnston is (330) 630-9699.
- Does James Johnston accept Medicare?
- James Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Johnston's NPI active?
- Yes — James Johnston's NPI (1316940174) is active in the NPPES registry as of the last update on 2019-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.