John Knapp, MD
NPI 1962525501 · Ophthalmology Physician · Saint Paul, MN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Knapp, MD is a Ophthalmology Physician provider in Saint Paul, MN (NPI 1962525501).
Provider details
- NPI number
- 1962525501
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 49774 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
573 Medicare services, 2024 (ranked within specialty)
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) |
|---|---|---|
| Imaging of Retina92134 | 76 | $38 |
| Established Patient Complete Exam of Visual System92014 | 68 | $123 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 66 | $39 |
| Imaging of Optic Nerve92133 | 64 | $34 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 57 | $124 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 51 | $521 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 312 | 94 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 136 | 39 |
| Timolol Maleate | 108 | 40 |
| Bimatoprostbrand: Lumigan | 45 | 11 |
| Prednisolone Acetate | 45 | 26 |
| Brimonidine Tartrate | 44 | 16 |
| Dorzolamide Hcl | 29 | — |
Practice location
Mailing address
Additional practice locations (2)
- 401 Phalen Blvd - Ms 41102eHealthpartners Specialty Center 401St. Paul, MN 55130-5302Phone: (651) 254-7500Fax: (651) 254-7557
- 401 Phalen Blvd - Ms 41102eHealthpartners Specialty Center 401St. Paul, MN 55130-5302Phone: (651) 254-7500Fax: (651) 254-7557
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2019-05-14
Frequently asked questions
- What is John Knapp's NPI number?
- John Knapp's National Provider Identifier (NPI) is 1962525501, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Knapp's specialty?
- John Knapp is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Knapp located?
- John Knapp's practice location on file with NPPES is 2500 Como Ave, Saint Paul, MN 55108.
- What is John Knapp's phone number?
- The practice phone number listed in the NPPES registry for John Knapp is (651) 641-6200.
- Does John Knapp accept Medicare?
- John Knapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Knapp's NPI active?
- Yes — John Knapp's NPI (1962525501) is active in the NPPES registry as of the last update on 2019-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.