John Michael, MD
NPI 1598872160 · Ophthalmology Physician · Crystal Lake, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Michael, MD is a Ophthalmology Physician provider in Crystal Lake, IL (NPI 1598872160).
Provider details
- NPI number
- 1598872160
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036088212 (IL)
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
19 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
12,344 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) |
|---|---|---|
| Imaging of Retina92134 | 4,060 | $41 |
| Established Patient Complete Exam of Visual System92014 | 3,435 | $128 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 2,455 | $16 |
| Injection of Drug Into Eye67028 | 1,208 | $117 |
| Photography of the Retina92250 | 443 | $38 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 135 | $179 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 142 | 51 |
| Bromfenac Sodium | 74 | 25 |
| Brimonidine Tartrate | 67 | 23 |
| Latanoprost | 47 | 19 |
| Atropine Sulfate | 38 | 28 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 27 | 24 |
| Ketorolac Tromethamine | 26 | — |
| Dorzolamide Hcl/Timolol Maleat |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 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
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2009-07-17
Frequently asked questions
- What is John Michael's NPI number?
- John Michael's National Provider Identifier (NPI) is 1598872160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Michael's specialty?
- John Michael is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Michael located?
- John Michael's practice location on file with NPPES is 820 E Terra Cotta Ave Ste 247, Crystal Lake, IL 60014-3655.
- What is John Michael's phone number?
- The practice phone number listed in the NPPES registry for John Michael is (815) 788-1000.
- Does John Michael accept Medicare?
- John Michael is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Michael's NPI active?
- Yes — John Michael's NPI (1598872160) is active in the NPPES registry as of the last update on 2009-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.