Dr. Mary S. Lewis, MD
- Medicare services, 2021
- 1,091
- Part D claims, 2022
- 665
- Industry payments
- $4,176
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4000 Kresge Way, Louisville, KY 40207
- Practice phone
- Call (502) 897-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Baptist Health Louisville
Louisville, Kentucky
Find Dr. Lewis' 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. Mary S. Lewis is an internist in Louisville, Kentucky
Dr. Lewis practices at Baptist Health Louisville in Louisville, Kentucky.
Dr. Lewis' NPI, 1467434365, was assigned on November 16, 2005. Dr. Lewis graduated from University of Louisville School of Medicine in 1984. Dr. Lewis holds Kentucky license 30196.
- NPI
- 1467434365NPI Registry (opens in a new tab)
- NPI enumeration date
- November 16, 2005
- NPI status
- Active
- Practice phone
- (502) 897-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mary S. Lewis practices at Baptist Health Louisville in Louisville, Kentucky
Dr. Lewis' primary practice is Baptist Health Louisville, at 4000 Kresge Way, Louisville, KY 40207 in Jefferson County. The practice phone is (502) 897-8100.
- Baptist Health Louisville4000 Kresge Way, Louisville, KY 40207 · Jefferson CountyPhone(502) 897-8100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mary S. Lewis is affiliated with 2 sites of care and 1 medical group
Dr. Lewis' primary practice is Baptist Health Louisville in Louisville, Kentucky. Dmand AI also links Dr. Lewis to 1 group practice or clinic and 1 medical group, 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. Mary S. Lewis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Health Louisville | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary S. Lewis is one of 1,380 internists in Kentucky
Internal medicine is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lewis is licensed in Kentucky.
Specialties and state licenses
- Internal medicine, KentuckyPrimary
Internists near Dr. Lewis
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. Mary S. Lewis billed Medicare for 1,091 services in 2021
CMS data shows 1,091 Medicare services from Dr. Lewis across 18 procedure codes in 2021. Medicare paid $72,009 for them. Every service was in an office.
Dr. Lewis' Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 5662021: 5257%
- Other services
- 2020: 2922021: 24117%
- Imaging
- 2020: 942021: 13443%
- Lab and pathology
- 2020: 952021: 12936%
- Tests and treatments
- 2020: 752021: 4343%
- Surgery
- 2020: 482021: 1960%
Dr. Lewis compared with the Kentucky median for internists, 2021
- Dr. Lewis
- Kentucky median
- Medicare services
- 1,091vs 61378% above
- Part D claims
- 665vs 36881% above
Medians across 1,380 internists in Kentucky with Dmand AI profiles that report each measure.
Dr. Lewis' most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lewis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lewis and other internists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary S. Lewis' patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 72, with 78% women.
Dr. Lewis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women78%
- Men21%
Source: Dmand AI Patient Panel Data
Dr. Mary S. Lewis wrote 665 Medicare Part D claims in 2022
In 2022, Dr. Lewis wrote 665 Medicare Part D claims. They cover 28 drugs, with $10,073 in total drug cost. In 2021, CMS named 5,919 claims across 113 drugs.
Dr. Lewis' most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 5,9192022: 66589%
Drugs named by CMS: 28 in 2022, 113 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mary S. Lewis received $4,176 in industry payments from 2016 to 2021
CMS Open Payments shows 291 general payments to Dr. Lewis from 42 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 96% of the total. GlaxoSmithKline, LLC. paid the most, $628.
General payments to Dr. Lewis by program year, 2016 to 2021
General payments to Dr. Lewis by kind, 2016 to 2021
- Food and beverage$4,00596%
- Education$1704%
Companies that paid Dr. Lewis the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary S. Lewis graduated from University of Louisville School of Medicine
Dr. Lewis graduated from University of Louisville School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary S. Lewis'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Mary S. Lewis
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. Mary S. Lewis' NPI number?
Dr. Mary S. Lewis' NPI number is 1467434365. It was assigned on November 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary S. Lewis?
Dr. Mary S. Lewis is an internist in Louisville, Kentucky. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mary S. Lewis practice?
Dr. Lewis practices at 4000 Kresge Way, Louisville, KY 40207. Dr. Lewis' primary practice is Baptist Health Louisville in Louisville, Kentucky. Dmand AI also links Dr. Lewis to 1 group practice or clinic and 1 medical group.
What is Dr. Mary S. Lewis' office phone number?
The practice phone on file for Dr. Lewis is (502) 897-8100.
What is Dr. Mary S. Lewis' medical license number?
Dr. Lewis holds Kentucky license 30196.
Does Dr. Mary S. Lewis accept Medicare?
Yes. CMS data shows Dr. Lewis billed Medicare for 1,091 services in 2021.
What services does Dr. Mary S. Lewis bill to Medicare?
In 2021, Dr. Lewis' most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Mary S. Lewis go to medical school?
Dr. Lewis graduated from University of Louisville School of Medicine in 1984.
What drugs does Dr. Mary S. Lewis prescribe most?
In 2022 Medicare Part D data, Dr. Lewis' most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.
Has Dr. Mary S. Lewis received payments from drug or device companies?
CMS Open Payments shows $4,176 in general payments to Dr. Lewis from 42 companies from 2016 to 2021. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Mary S. Lewis been practicing?
Dr. Lewis graduated from medical school in 1984, 42 years ago.
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