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Dr. Ethan Marshall Windham, MD
NPI1174101406PAC ID6507262854
- Medicare services, 2024
- 203
- Medicare patients, 2024
- 117
- Part D claims, 2024
- 288
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 200 Healthcare Way, Nokomis, FL 34275
- Practice phone
- Call (941) 917-8720
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
First Physicians Group
Nokomis, Florida
Find Dr. Windham's professional email, personal email and mobile number
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Dr. Ethan Marshall Windham is an internist in Nokomis, Florida
Dr. Windham practices at First Physicians Group in Nokomis, Florida.
Dr. Windham's NPI, 1174101406, was assigned on March 30, 2021. Dr. Windham graduated from University Of Florida College Of Medicine in 2021. Dr. Windham holds Florida license ME167713.
NPI and contact details
- NPI
- 1174101406NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507262854
- NPI enumeration date
- March 30, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (941) 917-8720
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ethan Marshall Windham practices at First Physicians Group in Nokomis, Florida
Dr. Windham's primary practice is First Physicians Group, at 200 Healthcare Way, Nokomis, FL 34275 in Sarasota County. The practice phone is (941) 917-8720.
- First Physicians Group200 Healthcare Way, Nokomis, FL 34275 · Sarasota CountyPhone(941) 917-8720
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ethan Marshall Windham is affiliated with 5 sites of care and 1 medical group
Dr. Windham's primary practice is First Physicians Group in Nokomis, Florida. Dr. Windham is also affiliated with Sarasota Memorial Hospital - Sarasota Campus. The medical group on file is First Physicians Group of Sarasota. Dmand AI also links Dr. Windham to 2 more home health agencies and 1 group practice or clinic, each named with a free account.
First Physicians GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ethan Marshall Windham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Windham practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| First Physicians Group | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ethan Marshall Windham is one of 9,009 internists in Florida
Internal medicine is Dr. Windham's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Windham is board certified in internal medicine by the American Board of Internal Medicine. Dr. Windham is licensed in Florida.
Specialties and state licenses
- Internal medicine, FloridaPrimary
Internists near Dr. Windham
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. Ethan Marshall Windham billed Medicare for 203 services in 2024
CMS data shows 203 Medicare services from Dr. Windham across 4 procedure codes in 2024, for 117 Medicare patients. Medicare paid $15,850 for them. Every service was in an office.
Medicare services, 2024203
Medicare patients117
Paid by Medicare$15,850
Procedure codes4
Dr. Windham's Medicare services by type, 2024
- Office and hospital visits136
- Other services67
Dr. Windham compared with the Florida median for internists, 2024
- Dr. Windham
- Florida median
- Medicare services
- 203vs 55563% below
- Medicare patients
- 117vs 21546% below
- Part D claims
- 70vs 46685% below
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Windham'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.
Need commercial claims for Dr. Windham?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Windham and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ethan Marshall Windham treated 117 Medicare patients in 2024, average age 76
CMS counts 117 Medicare patients who saw Dr. Windham in 2024. The largest group is 65 to 74, with 48 patients. 74% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Windham's median patient age at 71, with 42% women.
Medicare patients, 2024117
Average age76
Average risk score0.97
Dr. Windham's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Windham's Medicare patients by sex, 2024
- Women5144%
- Men6656%
Chronic conditions among Dr. Windham's Medicare patients, 2024
- High cholesterol74%
- High blood pressure63%
- Arthritis47%
- Ischemic heart disease33%
- Anxiety23%
- Cancer23%
- Chronic kidney disease20%
- Diabetes20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Windham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ethan Marshall Windham wrote 288 Medicare Part D claims in 2024
In 2024, Dr. Windham wrote 288 Medicare Part D claims for 107 patients. 91% of them were for generic drugs. CMS names the drug for 70 of them, across 5 drugs with 11 or more claims each, at $642 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Part D claims, 2024288
Drugs named by CMS5
Total drug cost$642
Part D patients107
Dr. Windham's Part D claims by kind of drug, 2024
- Generic263 claims91%
- Brand-name and other25 claims9%
Dr. Windham'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. Windham's Part D claims, 2024
- Antibiotics4%11 of 288 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: 242024: 70192%
Drugs named by CMS: 5 in 2024, 2 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. Ethan Marshall Windham offers telehealth to Medicare patients
Dr. Windham accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Windham as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ethan Marshall Windham has 1 publication on record
Dmand AI links 1 paper to Dr. Windham in 2015. Dr. Windham's most frequent co-author is Olivia Nicole Munizza, MD.
Papers1
Dr. Windham's most frequent co-authors
Recent publications by Dr. Windham
See who Dr. Windham researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Windham 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. Ethan Marshall Windham received $572 in industry payments from 2024 to 2025
CMS Open Payments shows 28 general payments to Dr. Windham from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $143.
General payments to Dr. Windham by program year, 2024 to 2025
Companies that paid Dr. Windham the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ethan Marshall Windham graduated from University Of Florida College Of Medicine
Dr. Windham graduated from University Of Florida College Of Medicine in 2021.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ethan Marshall Windham accepts plans from 15 insurance carriers
Dr. Windham is in network with 15 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- +7 more carriersWith a free account
Plan types Dr. Windham accepts, by number of carriers
- PPO10
- HMO8
- Medicare8
- EPO5
- POS5
Source: Dmand AI Insurance Network Data
Sources for Dr. Ethan Marshall Windham'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) |
| 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) |
| 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. Ethan Marshall Windham
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. Ethan Marshall Windham's NPI number?
Dr. Ethan Marshall Windham's NPI number is 1174101406. It was assigned on March 30, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Ethan Marshall Windham?
Dr. Ethan Marshall Windham is an internist in Nokomis, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ethan Marshall Windham practice?
Dr. Windham practices at 200 Healthcare Way, Nokomis, FL 34275. Dr. Windham's primary practice is First Physicians Group in Nokomis, Florida. Dmand AI also links Dr. Windham to 2 home health agencies and 1 group practice or clinic.
What is Dr. Ethan Marshall Windham's office phone number?
The practice phone on file for Dr. Windham is (941) 917-8720.
What is Dr. Ethan Marshall Windham's medical license number?
Dr. Windham holds Florida license ME167713.
Which hospitals is Dr. Ethan Marshall Windham affiliated with?
Dr. Windham is affiliated with Sarasota Memorial Hospital - Sarasota Campus.
What medical group is Dr. Ethan Marshall Windham part of?
Dr. Windham is linked to First Physicians Group of Sarasota.
Does Dr. Ethan Marshall Windham accept Medicare?
Yes. CMS data shows Dr. Windham billed Medicare for 203 services in 2024, and Dr. Windham accepts Medicare assignment.
Does Dr. Ethan Marshall Windham offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Windham as offering telehealth services.
How many Medicare patients does Dr. Ethan Marshall Windham see?
CMS counts 117 Medicare patients who saw Dr. Windham in 2024, with an average age of 76.
Show 9 more questionsShow fewer questions
Is Dr. Ethan Marshall Windham board certified?
Yes. Dr. Windham is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Ethan Marshall Windham bill to Medicare?
In 2024, Dr. Windham's most billed Medicare services were medicare service (G2211), office visit, new patient (99204) and office visit, established patient (99214).
Where did Dr. Ethan Marshall Windham go to medical school?
Dr. Windham graduated from University Of Florida College Of Medicine in 2021.
What drugs does Dr. Ethan Marshall Windham prescribe most?
In 2024 Medicare Part D data, Dr. Windham's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Ethan Marshall Windham received payments from drug or device companies?
CMS Open Payments shows $572 in general payments to Dr. Windham from 9 companies from 2024 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Ethan Marshall Windham been practicing?
Dr. Windham graduated from medical school in 2021, 5 years ago.
Does Dr. Ethan Marshall Windham do research?
Dmand AI links 1 publication to Dr. Windham.
Who does Dr. Ethan Marshall Windham publish with?
Dr. Windham's most frequent co-authors are Olivia Nicole Munizza, MD (1 shared paper).
What insurance does Dr. Ethan Marshall Windham accept?
Dr. Windham is in network with 15 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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