NPPES file of Aug 9, 2026

Whitney Marlow, M.D.

Ophthalmology Physician · O Fallon, IL

Whitney Marlow, M.D. is an ophthalmology physician with a practice address in O Fallon, Illinois, and NPI 1952783235, issued on Jun 23, 2015. Check the license (Illinois 036149275, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952783235
Name
Whitney Marlow
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
036149275 IL
2019014150 MO
Self-reported in NPPES; status is on the state search
Practice location
705 Insight Ave, O Fallon, IL 62269
Phone
(618) 391-1660
Enumerated
Jun 23, 2015
Record last updated
Dec 11, 2025
Fax
(618) 861-6003
Medicare enrollment
Enrolled (PECOS I20190904000443); accepts Medicare assignment
Medical or professional school
Southern Illinois University School Of Medicine, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 705 Insight Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cameron Evans, D.O.Ophthalmology Physician1528447174
  2. Wesley Green, MDOphthalmology Physician1851736037
  3. Nicole Lowrey, MD, PHDOphthalmology Physician1356902381
  4. Michael Stock, MDOphthalmology Physician1730442500
  5. Taylor Wolkart, ODOptometrist1831761360

Verify Whitney Marlow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036149275
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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87% fewer Medicare Part D claims than the average ophthalmology physician in 2024

194 Medicare Part D claims for 84 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Whitney Marlow194
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate36 claims
  2. Ketorolac Tromethamine33 claims
  3. Latanoprost28 claims
  4. Timolol Maleate27 claims
  5. Polymyxin B Sul-Trimethoprim22 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: $250.85

8 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Whitney Marlow$250.85
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ideal Eye Surgery LLCEffingham, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Whitney Marlow among 898 ophthalmology physician records in Illinois

Whitney Marlow, M.D. is one of 898 ophthalmology physician records with a practice address in Illinois. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 79% of them.

  • NPI issued2015 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2015 · median 1999 among the 551 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Illinois

There are 898 ophthalmology physician records in Illinois.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Cameron Evans, D.O.O Fallon, IL 622691528447174
  2. Wesley Green, MDO Fallon, IL 622691851736037
  3. Nicole Lowrey, MD, PHDO Fallon, IL 622691356902381
  4. Michael Stock, MDO Fallon, IL 622691730442500
  5. Jean Disseler, M.D.Quincy, IL 623011245202779
  6. Abram Geisendorfer, M.D.Quincy, IL 623011326230087
  7. James Hayashi, MDQuincy, IL 623011831133222
  8. David Phillips, M.D.Quincy, IL 623011649538638

Common questions

What is Whitney Marlow, M.D.'s NPI number?

Whitney Marlow, M.D.'s National Provider Identifier (NPI) is 1952783235, issued on Jun 23, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Whitney Marlow, M.D. located?

The NPPES record lists a practice address at 705 Insight Ave, O Fallon, IL, 62269. Phone: (618) 391-1660. Providers update this record themselves, so call before visiting.

How can I verify Whitney Marlow, M.D.'s license?

NPPES lists Illinois license number 036149275, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Whitney Marlow, M.D. prescribe under Medicare Part D?

In 2024, Whitney Marlow, M.D. had 194 Medicare Part D claims for 84 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.