Dr. William M. Lewis, DO
- Medicare services, 2024
- 2,634
- Medicare patients, 2024
- 548
- Part D claims, 2024
- 8,569
- Publications
- 2
- MIPS score, 2024
- 82
- Practice address
- 1250 S Capital of Texas Hwy, West Lake Hills, TX 78746
- Practice phone
- Call (512) 901-4009
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Austin Diagnostic Clinic
West Lake Hills, Texas
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. William M. Lewis is an internist in West Lake Hills, Texas
Dr. Lewis practices at The Austin Diagnostic Clinic in West Lake Hills, Texas.
Dr. Lewis' NPI, 1265401350, was assigned on March 14, 2006. Dr. Lewis graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2001. Dr. Lewis holds Texas license L8414.
- NPI
- 1265401350NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870564354
- NPI enumeration date
- March 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (512) 901-4009
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William M. Lewis practices at The Austin Diagnostic Clinic in West Lake Hills, Texas
Dr. Lewis' primary practice is The Austin Diagnostic Clinic, at 1250 S Capital of Texas Hwy, West Lake Hills, TX 78746 in Travis County. The practice phone is (512) 901-4009.
- The Austin Diagnostic Clinic1250 S Capital of Texas Hwy, West Lake Hills, TX 78746 · Travis CountyPhone(512) 901-4009
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William M. Lewis is affiliated with 7 sites of care and 1 medical group
Dr. Lewis' primary practice is The Austin Diagnostic Clinic in West Lake Hills, Texas. Dr. Lewis is also affiliated with St. David's Medical Center. The medical group on file is Austin Diagnostic Clinic. Dmand AI also links Dr. Lewis to 3 more hospitals and 2 home health agencies, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William M. Lewis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Austin Diagnostic Clinic | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William M. Lewis is one of 8,437 internists in Texas
Internal medicine is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lewis is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lewis is licensed in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Clinical focus
Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, alzheimer's disease, aneurysm, anxiety and arthritis among the conditions Dr. Lewis treats.
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. William M. Lewis billed Medicare for 2,634 services in 2024
CMS data shows 2,634 Medicare services from Dr. Lewis across 32 procedure codes in 2024, for 548 Medicare patients. Medicare paid $102,361 for them. Every service was in an office.
Dr. Lewis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,0622024: 1,0561%
- Office and hospital visits
- 2023: 5012024: 56312%
- Other services
- 2023: 4722024: 4319%
- Surgery
- 2023: 3282024: 28413%
- Tests and treatments
- 2023: 3392024: 14757%
- Drugs given in the office
- 2023: 1452024: 1403%
- Imaging
- 2023: 162024: 1319%
Dr. Lewis compared with the Texas median for internists, 2024
- Dr. Lewis
- Texas median
- Medicare services
- 2,634vs 5394.9 times
- Medicare patients
- 548vs 1902.9 times
- Part D claims
- 7,840vs 28927.1 times
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Lewis' 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.
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 Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William M. Lewis treated 548 Medicare patients in 2024, average age 77
CMS counts 548 Medicare patients who saw Dr. Lewis in 2024. The largest group is 75 to 84, with 221 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 66, with 45% women.
Dr. Lewis' Medicare patients by age, 2024
Dr. Lewis' Medicare patients by sex, 2024
- Women26448%
- Men28452%
Chronic conditions among Dr. Lewis' Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis45%
- Ischemic heart disease32%
- Diabetes30%
- Mood disorders24%
- Anxiety22%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
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 66
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William M. Lewis wrote 8,569 Medicare Part D claims in 2024
In 2024, Dr. Lewis wrote 8,569 Medicare Part D claims for 973 patients. 89% of them were for generic drugs. CMS names the drug for 7,840 of them, across 144 drugs with 11 or more claims each, at $394,437 in total drug cost. In 2023, CMS named 7,735 claims across 144 drugs.
Dr. Lewis' Part D claims by kind of drug, 2024
- Generic7,658 claims89%
- Brand-name875 claims10%
- Other36 claims0%
Dr. Lewis' 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. Lewis' Part D claims, 2024
- Opioids2%178 of 8,569 claims
- Antibiotics4%304 of 8,569 claims
- Antipsychotics, patients 65 and over0%22 of 8,569 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: 7,7352024: 7,8401%
Drugs named by CMS: 144 in 2024, 144 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. William M. Lewis scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Lewis for performance year 2024, reported individually. Dr. Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lewis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Lewis' MIPS scores, performance year 2024
- 82of 100Final score
- 68.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. William M. Lewis has 2 publications on record
Dmand AI links 2 papers to Dr. Lewis in 2023. 2023 was the busiest year, with 2. Dr. Lewis' most frequent co-authors are Mina Effat Fransawy Alkomos, MD, Muhammad Yusuf Kahf, MD and William James Lewis, MD.
Dr. Lewis' most frequent co-authors
- Mina Effat Fransawy Alkomos, MD1 shared paper
- Muhammad Yusuf Kahf, MD1 shared paper
- William James Lewis, MD1 shared paper
Recent publications by Dr. Lewis
See who Dr. Lewis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lewis works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William M. Lewis received $3,648 in industry payments from 2016 to 2025
CMS Open Payments shows 200 general payments to Dr. Lewis from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $448.
General payments to Dr. Lewis by program year, 2016 to 2025
Companies that paid Dr. Lewis 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. William M. Lewis has 1 award and honors on record
Dmand AI lists 1 award for Dr. Lewis, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Lewis
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. William M. Lewis graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury
Dr. Lewis graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2001.
- Medical school
- Board certified in internal medicine
- Board certified in 2004 - 2026
Source: Dmand AI Professional Profile Data
Dr. William M. Lewis accepts plans from 20 insurance carriers
Dr. Lewis is in network with 20 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- Alliant Health Plans
- Aspirus Health Plan
- +12 more carriersWith a free account
Plan types Dr. Lewis accepts, by number of carriers
- HMO12
- PPO12
- Medicare7
- POS7
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. William M. 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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. William M. 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. William M. Lewis' NPI number?
Dr. William M. Lewis' NPI number is 1265401350. It was assigned on March 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William M. Lewis?
Dr. William M. Lewis is an internist in West Lake Hills, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William M. Lewis practice?
Dr. Lewis practices at 1250 S Capital of Texas Hwy, West Lake Hills, TX 78746. Dr. Lewis' primary practice is The Austin Diagnostic Clinic in West Lake Hills, Texas. Dmand AI also links Dr. Lewis to 3 hospitals and 2 home health agencies.
What is Dr. William M. Lewis' office phone number?
The practice phone on file for Dr. Lewis is (512) 901-4009.
What is Dr. William M. Lewis' medical license number?
Dr. Lewis holds Texas license L8414.
Which hospitals is Dr. William M. Lewis affiliated with?
Dr. Lewis is affiliated with St. David's Medical Center. Dmand AI links Dr. Lewis to 3 more hospitals.
What medical group is Dr. William M. Lewis part of?
Dr. Lewis is linked to Austin Diagnostic Clinic.
Does Dr. William M. Lewis accept Medicare?
Yes. CMS data shows Dr. Lewis billed Medicare for 2,634 services in 2024, and Dr. Lewis accepts Medicare assignment.
Does Dr. William M. Lewis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lewis as offering telehealth services.
What is Dr. William M. Lewis' MIPS score?
Dr. Lewis' MIPS final score for performance year 2024 is 82 out of 100, reported individually.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. William M. Lewis see?
CMS counts 548 Medicare patients who saw Dr. Lewis in 2024, with an average age of 77.
Is Dr. William M. Lewis board certified?
Yes. Dr. Lewis is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. William M. Lewis bill to Medicare?
In 2024, Dr. Lewis' most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and medicare service (G0439).
Where did Dr. William M. Lewis go to medical school?
Dr. Lewis graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2001.
What drugs does Dr. William M. Lewis prescribe most?
In 2024 Medicare Part D data, Dr. Lewis' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. William M. Lewis received payments from drug or device companies?
CMS Open Payments shows $3,648 in general payments to Dr. Lewis from 39 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. William M. Lewis been practicing?
Dr. Lewis graduated from medical school in 2001, 25 years ago.
Does Dr. William M. Lewis do research?
Dmand AI links 2 publications to Dr. Lewis.
Who does Dr. William M. Lewis publish with?
Dr. Lewis' most frequent co-authors are Mina Effat Fransawy Alkomos, MD (1 shared paper), Muhammad Yusuf Kahf, MD (1 shared paper) and William James Lewis, MD (1 shared paper).
What insurance does Dr. William M. Lewis accept?
Dr. Lewis is in network with 20 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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