Dr. Whitney Tk Marlow, MD
- Medicare services, 2024
- 2,853
- Medicare patients, 2024
- 712
- Part D claims, 2024
- 194
- MIPS score, 2024
- 92
- Hospital affiliations
- 4
- Practice address
- 1660 Essex Way, O'Fallon, IL 62269
- Practice phone
- Call (618) 391-1660
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ideal Eye Surgery
O'Fallon, Illinois
Find Dr. Marlow's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Whitney Tk Marlow is an ophthalmologist in O'Fallon, Illinois
Dr. Marlow practices at Ideal Eye Surgery in O'Fallon, Illinois.
Dr. Marlow's NPI, 1952783235, was assigned on June 23, 2015. Dr. Marlow graduated from Southern Illinois University School of Medicine in 2015. Dr. Marlow holds Illinois license 036149275.
- NPI
- 1952783235NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042507618
- NPI enumeration date
- June 23, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 391-1660
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Whitney Tk Marlow practices at Ideal Eye Surgery in O'Fallon, Illinois
Dr. Marlow's primary practice is Ideal Eye Surgery, at 1660 Essex Way, O'Fallon, IL 62269 in Saint Clair County. The practice phone is (618) 391-1660.
- Ideal Eye Surgery1660 Essex Way, O'Fallon, IL 62269 · Saint Clair CountyPhone(618) 391-1660
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Whitney Tk Marlow is affiliated with 6 sites of care and 3 medical groups
Dr. Marlow's primary practice is Ideal Eye Surgery in O'Fallon, Illinois. Dr. Marlow is also affiliated with HSHS St. Joseph's Hospital Breese. The medical group on file is HSHS Medical Group. Dmand AI also links Dr. Marlow to 3 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Whitney Tk Marlow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marlow practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ideal Eye Surgery | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Whitney Tk Marlow is one of 692 ophthalmologists in Illinois
Ophthalmology is Dr. Marlow's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Marlow is licensed in Illinois.
Specialties and state licenses
- Ophthalmology, IllinoisPrimary
Ophthalmologists near Dr. Marlow
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Whitney Tk Marlow billed Medicare for 2,853 services in 2024
CMS data shows 2,853 Medicare services from Dr. Marlow across 10 procedure codes in 2024, for 712 Medicare patients. Medicare paid $422,804 for them.
Dr. Marlow's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9562024: 1,0035%
- Surgery
- 2023: 8102024: 94016%
- Tests and treatments
- 2023: 8792024: 9104%
Where Dr. Marlow's Medicare services took place, 2024
- In an office2,04672%
- In a facility80728%
Dr. Marlow compared with the Illinois median for ophthalmologists, 2024
- Dr. Marlow
- Illinois median
- Medicare services
- 2,853vs 1,54485% above
- Medicare patients
- 712vs 57723% above
- Part D claims
- 146vs 58275% below
Medians across 710 ophthalmologists in Illinois with Dmand AI profiles that report each measure.
Dr. Marlow's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marlow and other ophthalmologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Whitney Tk Marlow treated 712 Medicare patients in 2024, average age 75
CMS counts 712 Medicare patients who saw Dr. Marlow in 2024. The largest group is 65 to 74, with 389 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marlow's median patient age at 74, with 61% women.
Dr. Marlow's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marlow's Medicare patients by sex, 2024
- Women42660%
- Men28640%
Chronic conditions among Dr. Marlow's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Diabetes29%
- Ischemic heart disease27%
- Chronic kidney disease20%
- Anxiety18%
- Atrial fibrillation16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marlow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Whitney Tk Marlow wrote 194 Medicare Part D claims in 2024
In 2024, Dr. Marlow wrote 194 Medicare Part D claims for 84 patients. 71% of them were for generic drugs. CMS names the drug for 146 of them, across 5 drugs with 11 or more claims each, at $2,551 in total drug cost. In 2023, CMS named 118 claims across 5 drugs.
Dr. Marlow's Part D claims by kind of drug, 2024
- Generic137 claims71%
- Brand-name57 claims29%
Dr. Marlow's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1182024: 14624%
Drugs named by CMS: 5 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Whitney Tk Marlow scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Marlow for performance year 2024, reported as part of a group. Dr. Marlow accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 1,135 procedures of cataract surgery by Dr. Marlow, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Marlow's MIPS scores, performance year 2024
- 92of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Marlow ranks in Medicare procedure volume
- Cataract surgery
- 99th percentile1,135 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Whitney Tk Marlow received $3,031 in industry payments from 2016 to 2025
CMS Open Payments shows 78 general payments to Dr. Marlow from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Alcon Laboratories Inc paid the most, $1,374.
General payments to Dr. Marlow by program year, 2016 to 2025
General payments to Dr. Marlow by kind, 2016 to 2025
- Food and beverage$2,93697%
- Education$953%
Companies that paid Dr. Marlow the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Whitney Tk Marlow graduated from Southern Illinois University School of Medicine
Dr. Marlow graduated from Southern Illinois University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Whitney Tk Marlow's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Whitney Tk Marlow
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Whitney Tk Marlow's NPI number?
Dr. Whitney Tk Marlow's NPI number is 1952783235. It was assigned on June 23, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Whitney Tk Marlow?
Dr. Whitney Tk Marlow is an ophthalmologist in O'Fallon, Illinois. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Whitney Tk Marlow practice?
Dr. Marlow practices at 1660 Essex Way, O'Fallon, IL 62269. Dr. Marlow's primary practice is Ideal Eye Surgery in O'Fallon, Illinois. Dmand AI also links Dr. Marlow to 3 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. Whitney Tk Marlow's office phone number?
The practice phone on file for Dr. Marlow is (618) 391-1660.
What is Dr. Whitney Tk Marlow's medical license number?
Dr. Marlow holds Illinois license 036149275.
Which hospitals is Dr. Whitney Tk Marlow affiliated with?
Dr. Marlow is affiliated with HSHS St. Joseph's Hospital Breese. Dmand AI links Dr. Marlow to 3 more hospitals.
What medical group is Dr. Whitney Tk Marlow part of?
Dr. Marlow is linked to HSHS Medical Group. Dmand AI links Dr. Marlow to 2 more medical groups.
Does Dr. Whitney Tk Marlow accept Medicare?
Yes. CMS data shows Dr. Marlow billed Medicare for 2,853 services in 2024, and Dr. Marlow accepts Medicare assignment.
What is Dr. Whitney Tk Marlow's MIPS score?
Dr. Marlow's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Whitney Tk Marlow see?
CMS counts 712 Medicare patients who saw Dr. Marlow in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Whitney Tk Marlow bill to Medicare?
In 2024, Dr. Marlow's most billed Medicare services were eye exam or test (92136), surgery: eye (66984) and office visit, new patient (99204).
Where did Dr. Whitney Tk Marlow go to medical school?
Dr. Marlow graduated from Southern Illinois University School of Medicine in 2015.
What drugs does Dr. Whitney Tk Marlow prescribe most?
In 2024 Medicare Part D data, Dr. Marlow's most prescribed drugs by claims were Prednisolone Acetate, Ketorolac Tromethamine and Latanoprost.
Has Dr. Whitney Tk Marlow received payments from drug or device companies?
CMS Open Payments shows $3,031 in general payments to Dr. Marlow from 20 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Whitney Tk Marlow been practicing?
Dr. Marlow graduated from medical school in 2015, 11 years ago.
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