Mark I. Ross, O.D.
Optometrist · Crystal Lake, IL
Mark I. Ross, O.D. is an optometrist with a practice address in Crystal Lake, Illinois, and NPI 1659423655, issued on Jan 18, 2007. Check the license (Illinois 46008014, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark I. Ross
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 46008014 IL
Self-reported in NPPES; status is on the state search - Practice location
- 490 Coventry LN Ste 201, Crystal Lake, IL 60014
- Phone
- (815) 455-5034
- Enumerated
- Jan 18, 2007
- Record last updated
- Apr 6, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (815) 455-5041
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Verify Mark I. Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 46008014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $104.42
2 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark I. Ross among 2,697 optometrist records in Illinois
Mark I. Ross, O.D. is one of 2,697 optometrist records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 48% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2009 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 optometrist records list a practice address in Crystal Lake
They are 20 of the 1,442 NPPES records with a practice address in Crystal Lake, and 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Crystal Lake → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Mariah Aleman, O.D.Crystal Lake, IL 600141487818100
- Eleanor Ary-Tucker, O.D.Crystal Lake, IL 600141518010693
- Juan Brito, O.D.Crystal Lake, IL 600141851524318
- Erika Cleland, ODCrystal Lake, IL 600141740577956
- Joseph Herba, O.D.Crystal Lake, IL 600141265584247
- Elizabeth Mihevc, ODCrystal Lake, IL 600141093722373
- John O'Neill, O.D.Crystal Lake, IL 600141356503403
- Payal Patel, O.D.Crystal Lake, IL 600141013158674
Common questions
What is Mark I. Ross, O.D.'s NPI number?
Mark I. Ross, O.D.'s National Provider Identifier (NPI) is 1659423655, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark I. Ross, O.D. located?
The NPPES record lists a practice address at 490 Coventry LN Ste 201, Crystal Lake, IL, 60014. Phone: (815) 455-5034. Providers update this record themselves, so call before visiting.
How can I verify Mark I. Ross, O.D.'s license?
NPPES lists Illinois license number 46008014, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.