Mark Colander, O.D,
NPI 1871889196 · Optometrist · Worth, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Colander, O.D, is a Optometrist provider in Worth, IL (NPI 1871889196).
Provider details
- NPI number
- 1871889196
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D,
- Sex
- Male
- Sole proprietor
- No
- License
- 046010615 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 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
466 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 | 251 | $127 |
| Photography of the Retina92250 | 174 | $38 |
| New Patient Complete Exam of Visual System92004 | 41 | $148 |
Typical Medicare-allowed amounts for these services range $38–$148 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 89 | 16 |
| Azelastine Hcl | 88 | 17 |
| Brimonidine Tartrate | 39 | — |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 27 | 24 |
| Erythromycin Basebrand: Erythromycin | 23 | 23 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 22 | — |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 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
- 2011-06-24
- Last updated
- 2013-09-14
Frequently asked questions
- What is Mark Colander's NPI number?
- Mark Colander's National Provider Identifier (NPI) is 1871889196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Colander's specialty?
- Mark Colander is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mark Colander located?
- Mark Colander's practice location on file with NPPES is 11412 S Harlem Ave, Worth, IL 60482-2004.
- What is Mark Colander's phone number?
- The practice phone number listed in the NPPES registry for Mark Colander is (708) 422-7000.
- Does Mark Colander accept Medicare?
- Mark Colander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Colander's NPI active?
- Yes — Mark Colander's NPI (1871889196) is active in the NPPES registry as of the last update on 2013-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.