Margaret Cullen-Regan, O.D.
Corneal and Contact Management Optometrist · Tinley Park, IL
Margaret Cullen-Regan, O.D. is a corneal and contact management optometrist with a practice address in Tinley Park, Illinois, and NPI 1619950151, issued on Nov 29, 2005. Check the license (Illinois 046008012, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Cullen-Regan
- Credential
- O.D.
- Primary taxonomy
- Corneal and Contact Management Optometrist 152WC0802X
- License number
- 046008012 IL
Self-reported in NPPES; status is on the state search - Practice location
- 9501 171St St, Tinley Park, IL 60487
- Phone
- (708) 403-8300
- Enumerated
- Nov 29, 2005
- Record last updated
- Nov 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (708) 403-8333
- Medicare enrollment
- Enrolled (PECOS I20110623000645); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1987
- Entity
- Type 1 · individual
8 nearest corneal and contact management optometrist records → All 39 in Illinois → Look up another NPI →
Verify Margaret Cullen-Regan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046008012Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average corneal and contact management optometrist in 2024
40 Medicare Part D claims for 18 beneficiaries, against an average of 225 among the 585 providers of this specialty who prescribed in Part D. Brand-name drugs were 63% of claims.
Most prescribed
- Latanoprost16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $293.19
5 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 610 providers of this specialty with any payment received $1,035.17 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.
Bills Medicare through 2 group practices
- Eligijus P Lelis MD And Associates, SCJoliet, IL
- Insight Family Vision Care,inc.Tinley Park, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Cullen-Regan among 39 corneal and contact management optometrist records in Illinois
Margaret Cullen-Regan, O.D. is one of 39 corneal and contact management optometrist records with a practice address in Illinois. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1987 · median 1993 among the 21 with a school on file
- Record last updated2011 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152WC0802X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Corneal and Contact Management Optometrist providers in Illinois
There are 39 corneal and contact management optometrist records in Illinois.
All 39 in Illinois → Every provider in Tinley Park → Corneal and Contact Management Optometrist nationwide →
The 8 corneal and contact management optometrist records with the nearest ZIP codes
- Gary Masterson, O.D.Aurora, IL 605021336211770
- Douglas Azzaro, O.D.Woodridge, IL 605171346394111
- Anita Pearson, O.D.Bridgeview, IL 604551164533394
- Haris Dzubur, O.D.Oak Lawn, IL 604531760725923
- Julie Ensinger, O.D.Lisle, IL 605321245262088
- Sheila Oshaughnessy, O.D.Lisle, IL 605321568499341
- Thomas Stazak, O.D.Lisle, IL 605321336177617
- Ludwig Kuhar, O.D.Shorewood, IL 604311104839166
Common questions
What is Margaret Cullen-Regan, O.D.'s NPI number?
Margaret Cullen-Regan, O.D.'s National Provider Identifier (NPI) is 1619950151, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Cullen-Regan, O.D. located?
The NPPES record lists a practice address at 9501 171St St, Tinley Park, IL, 60487. Phone: (708) 403-8300. Providers update this record themselves, so call before visiting.
How can I verify Margaret Cullen-Regan, O.D.'s license?
NPPES lists Illinois license number 046008012, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Cullen-Regan, O.D. prescribe under Medicare Part D?
In 2024, Margaret Cullen-Regan, O.D. had 40 Medicare Part D claims for 18 beneficiaries; the average among corneal and contact management optometrist prescribers was 225. Part D covers Medicare prescriptions 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.