Dr. Steven F. Willey, MD
- Medicare services, 2024
- 234
- Medicare patients, 2024
- 108
- Part D claims, 2024
- 4,222
- Hospital affiliations
- 4
- Industry payments
- $54
- Practice address
- 232 S Woods Mill Rd, Chesterfield, MO 63017
- Practice phone
- Call (314) 434-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Willey's professional email, personal email and mobile number
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Dr. Steven F. Willey is an internist in Chesterfield, Missouri
Dr. Willey practices at St. Luke's Hospital in Chesterfield, Missouri, part of St. Luke's Episcopal-Presbyterian Hospital.
Dr. Willey's NPI, 1730108556, was assigned on July 19, 2006. Dr. Willey graduated from Northwestern University Feinberg Medical School in 1990. Dr. Willey holds Missouri license MD107032.
- NPI
- 1730108556NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022083765
- NPI enumeration date
- July 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 434-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven F. Willey practices at St. Luke's Hospital in Chesterfield, Missouri
Dr. Willey's primary practice is St. Luke's Hospital, at 232 S Woods Mill Rd, Chesterfield, MO 63017 in St. Louis County. The practice phone is (314) 434-1500.
- St. Luke's Hospital232 S Woods Mill Rd, Chesterfield, MO 63017 · St. Louis CountyPhone(314) 434-1500
Source: Dmand AI Affiliation Data
Dr. Steven F. Willey is affiliated with 8 sites of care
Dr. Willey's primary practice is St. Luke's Hospital in Chesterfield, Missouri, part of St. Luke's Episcopal-Presbyterian Hospital. Dr. Willey is also affiliated with Mercy Hospital St. Louis. Dmand AI also links Dr. Willey to 2 more hospitals, 1 breast imaging center, 1 physician office, 1 home health agency and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven F. Willey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Willey practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Luke's Hospital | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across St. Luke's Episcopal-Presbyterian Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Steven F. Willey is one of 2,114 internists in Missouri
Internal medicine is Dr. Willey's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Willey is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Willey
Counts of internists 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. Steven F. Willey billed Medicare for 234 services in 2024
CMS data shows 234 Medicare services from Dr. Willey across 3 procedure codes in 2024, for 108 Medicare patients. Medicare paid $13,375 for them. Every service was in an office.
Dr. Willey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1982024: 17014%
- Tests and treatments
- 2023: 732024: 3256%
- Other services
- 2023: 712024: 3255%
Dr. Willey compared with the Missouri median for internists, 2024
- Dr. Willey
- Missouri median
- Medicare services
- 234vs 53056% below
- Medicare patients
- 108vs 21149% below
- Part D claims
- 3,657vs 32511.3 times
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Willey'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. Willey and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven F. Willey treated 108 Medicare patients in 2024, average age 79
CMS counts 108 Medicare patients who saw Dr. Willey in 2024. The largest group is 75 to 84, with 44 patients. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 0.78, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Willey's median patient age at 75, with 44% women.
Dr. Willey's Medicare patients by age, 2024
Dr. Willey's Medicare patients by sex, 2024
- Women5349%
- Men5551%
Chronic conditions among Dr. Willey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis41%
- Ischemic heart disease27%
- Atrial fibrillation20%
- Cancer20%
- Diabetes19%
- Anxiety15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Willey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven F. Willey wrote 4,222 Medicare Part D claims in 2024
In 2024, Dr. Willey wrote 4,222 Medicare Part D claims for 243 patients. 86% of them were for generic drugs. CMS names the drug for 3,657 of them, across 98 drugs with 11 or more claims each, at $333,900 in total drug cost. In 2023, CMS named 3,286 claims across 91 drugs.
Dr. Willey's Part D claims by kind of drug, 2024
- Generic3,648 claims86%
- Brand-name556 claims13%
- Other18 claims0%
Dr. Willey'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.
Drug classes CMS tracks in Dr. Willey's Part D claims, 2024
- Opioids3%139 of 4,222 claims
- Antibiotics7%275 of 4,222 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,2862024: 3,65711%
Drugs named by CMS: 98 in 2024, 91 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
How Dr. Steven F. Willey takes part in Medicare
Dr. Willey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Steven F. Willey received $54 in industry payments in 2022
CMS Open Payments shows 2 general payments to Dr. Willey from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $54.
Companies that paid Dr. Willey the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven F. Willey graduated from Northwestern University Feinberg Medical School
Dr. Willey graduated from Northwestern University Feinberg Medical School in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven F. Willey'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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. Steven F. Willey
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. Steven F. Willey's NPI number?
Dr. Steven F. Willey's NPI number is 1730108556. It was assigned on July 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven F. Willey?
Dr. Steven F. Willey is an internist in Chesterfield, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Steven F. Willey practice?
Dr. Willey practices at 232 S Woods Mill Rd, Chesterfield, MO 63017. Dr. Willey's primary practice is St. Luke's Hospital in Chesterfield, Missouri, part of St. Luke's Episcopal-Presbyterian Hospital. Dmand AI also links Dr. Willey to 2 hospitals, 1 breast imaging center, 1 physician office, 1 home health agency and 1 skilled nursing facility.
What is Dr. Steven F. Willey's office phone number?
The practice phone on file for Dr. Willey is (314) 434-1500.
What is Dr. Steven F. Willey's medical license number?
Dr. Willey holds Missouri license MD107032.
Which hospitals is Dr. Steven F. Willey affiliated with?
Dr. Willey practices at St. Luke's Hospital in Chesterfield, Missouri. Dr. Willey is also affiliated with Mercy Hospital St. Louis. Dmand AI links Dr. Willey to 2 more hospitals.
Does Dr. Steven F. Willey accept Medicare?
Yes. CMS data shows Dr. Willey billed Medicare for 234 services in 2024, and Dr. Willey accepts Medicare assignment.
How many Medicare patients does Dr. Steven F. Willey see?
CMS counts 108 Medicare patients who saw Dr. Willey in 2024, with an average age of 79.
What services does Dr. Steven F. Willey bill to Medicare?
In 2024, Dr. Willey's most billed Medicare services were office visit, established patient (99213), vaccine or vaccine administration (90662) and medicare service (G0008).
Where did Dr. Steven F. Willey go to medical school?
Dr. Willey graduated from Northwestern University Feinberg Medical School in 1990.
Show 3 more questionsShow fewer questions
What drugs does Dr. Steven F. Willey prescribe most?
In 2024 Medicare Part D data, Dr. Willey's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Omeprazole.
Has Dr. Steven F. Willey received payments from drug or device companies?
CMS Open Payments shows $54 in general payments to Dr. Willey from 1 company from 2022 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Steven F. Willey been practicing?
Dr. Willey graduated from medical school in 1990, 36 years ago.
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