Ryan Lange, MD
NPI 1679997712 · Ophthalmology Physician · Evanston, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Lange, MD is a Ophthalmology Physician provider in Evanston, IL (NPI 1679997712).
Provider details
- NPI number
- 1679997712
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD61043249 (WA)
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
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
988 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 | 227 | $96 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 125 | $135 |
| Established Patient Complete Exam of Visual System92014 | 96 | $130 |
| Imaging of Retina92134 | 77 | $42 |
| Imaging of Optic Nerve92133 | 71 | $36 |
| New Patient Complete Exam of Visual System92004 | 61 | $154 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 125 | 28 |
| Prednisolone Acetate | 76 | 55 |
| Loteprednol Etabonate | 50 | 23 |
| Cyclosporinebrand: Restasis | 35 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 30 | 25 |
| Ketorolac Tromethamine | 25 | 13 |
| Brimonidine Tartrate | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$166 across 2 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
Additional practice locations (2)
- 600 N Wolfe StBaltimore, MD 21287-2109Phone: (410) 955-5000
- 1101 Madison St Ste 600Seattle, WA 98104-1340Phone: (206) 215-2020Fax: (206) 215-2022
Registry dates
- Enumerated
- 2014-02-10
- Last updated
- 2022-04-28
- Certified
- 2022-04-28
Frequently asked questions
- What is Ryan Lange's NPI number?
- Ryan Lange's National Provider Identifier (NPI) is 1679997712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Lange's specialty?
- Ryan Lange is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Lange located?
- Ryan Lange's practice location on file with NPPES is 1630 Sherman Ave Ste 100, Evanston, IL 60201-3711.
- What is Ryan Lange's phone number?
- The practice phone number listed in the NPPES registry for Ryan Lange is (847) 535-6464.
- Does Ryan Lange accept Medicare?
- Ryan Lange is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Lange's NPI active?
- Yes — Ryan Lange's NPI (1679997712) is active in the NPPES registry as of the last update on 2022-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.