Mitchell Warren, M.D.
NPI 1376543041 · Ophthalmology Physician · Deerfield, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mitchell Warren, M.D. is a Ophthalmology Physician provider in Deerfield, IL (NPI 1376543041).
Provider details
- NPI number
- 1376543041
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036093327 (IL)
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
20 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
2,636 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 Complete Exam of Visual System92014 | 936 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 511 | $94 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 252 | $16 |
| Exam of Visual Field With Extended Testing92083 | 164 | $65 |
| Imaging of Optic Nerve92133 | 163 | $36 |
| Imaging of Retina92134 | 155 | $41 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
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 | 252 | 64 |
| Moxifloxacin Hclbrand: Moxifloxacin | 106 | 65 |
| Timolol Maleate | 94 | 33 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 91 | 75 |
| Prednisolone Acetate | 36 | 25 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 34 | 32 |
| Travoprost | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$238 across 5 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
- 2005-07-26
- Last updated
- 2018-09-04
Frequently asked questions
- What is Mitchell Warren's NPI number?
- Mitchell Warren's National Provider Identifier (NPI) is 1376543041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mitchell Warren's specialty?
- Mitchell Warren is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mitchell Warren located?
- Mitchell Warren's practice location on file with NPPES is 740 Waukegan Rd, Deerfield, IL 60015.
- What is Mitchell Warren's phone number?
- The practice phone number listed in the NPPES registry for Mitchell Warren is (847) 945-6770.
- Does Mitchell Warren accept Medicare?
- Mitchell Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mitchell Warren's NPI active?
- Yes — Mitchell Warren's NPI (1376543041) is active in the NPPES registry as of the last update on 2018-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.