Dr. Peter Douglas Stephan, MD
- Medicare services, 2024
- 359
- Medicare patients, 2024
- 178
- Part D claims, 2024
- 7,235
- Hospital affiliations
- 2
- Industry payments
- $5,960
- Practice address
- 473 E Greenville Ave, Winchester, IN 47394
- Practice phone
- Call (765) 584-0004
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Stephan'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. Peter Douglas Stephan is a family medicine physician in Winchester, Indiana
Dr. Stephan practices at Ascension St. Vincent Randolph in Winchester, Indiana, part of Ascension Health Alliance.
Dr. Stephan's NPI, 1548266307, was assigned on June 24, 2005. Dr. Stephan graduated from Northwestern University Feinberg Medical School in 1985. Dr. Stephan holds Indiana license 01035748A.
- NPI
- 1548266307NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466449004
- NPI enumeration date
- June 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (765) 584-0004
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Douglas Stephan practices at Ascension St. Vincent Randolph in Winchester, Indiana
Dr. Stephan's primary practice is Ascension St. Vincent Randolph, at 473 E Greenville Ave, Winchester, IN 47394 in Randolph County. The practice phone is (765) 584-0004.
- Ascension St. Vincent Randolph473 E Greenville Ave, Winchester, IN 47394 · Randolph CountyPhone(765) 584-0004
Source: Dmand AI Affiliation Data
Dr. Peter Douglas Stephan is affiliated with 4 sites of care and 2 medical groups
Dr. Stephan's primary practice is Ascension St. Vincent Randolph in Winchester, Indiana, part of Ascension Health Alliance. Dr. Stephan is also affiliated with Ascension St. Vincent Kokomo. The medical group on file is Ascension Medical Group St Vincent. Dmand AI also links Dr. Stephan to 2 more group practices and clinics and 1 medical group, 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. Peter Douglas Stephan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stephan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. Vincent Randolph | Available with a free account |
| +3 more sites and 1 medical group | 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 Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Peter Douglas Stephan is one of 3,028 family medicine physicians in Indiana
Family medicine is Dr. Stephan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Stephan's licenses on file in 3 states: Indiana, Florida and Georgia.
Specialties and state licenses
- Family medicine, IndianaPrimary
- Florida license
- Georgia license
Family medicine physicians near Dr. Stephan
Counts of family medicine physicians 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. Peter Douglas Stephan billed Medicare for 359 services in 2024
CMS data shows 359 Medicare services from Dr. Stephan across 8 procedure codes in 2024, for 178 Medicare patients. Medicare paid $22,614 for them. Every service was in an office.
Dr. Stephan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2782024: 2578%
- Other services
- 2023: 202024: 47135%
- Lab and pathology
- 2023: 202024: 2630%
- Surgery
- 2023: 02024: 17
- Tests and treatments
- 2023: 162024: 1225%
Dr. Stephan compared with the Indiana median for family medicine physicians, 2024
- Dr. Stephan
- Indiana median
- Medicare services
- 359vs 40010% below
- Medicare patients
- 178vs 1658% above
- Part D claims
- 6,609vs 1,2285.4 times
Medians across 3,080 family medicine physicians in Indiana with Dmand AI profiles that report each measure.
Dr. Stephan'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. Stephan and other family medicine physicians in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Douglas Stephan treated 178 Medicare patients in 2024, average age 73
CMS counts 178 Medicare patients who saw Dr. Stephan in 2024. The largest group is 75 to 84, with 68 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stephan's median patient age at 65, with 54% women.
Dr. Stephan's Medicare patients by age, 2024
Dr. Stephan's Medicare patients by sex, 2024
- Women8648%
- Men9252%
Chronic conditions among Dr. Stephan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis42%
- Diabetes32%
- Ischemic heart disease28%
- Anxiety22%
- COPD22%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stephan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Douglas Stephan wrote 7,235 Medicare Part D claims in 2024
In 2024, Dr. Stephan wrote 7,235 Medicare Part D claims for 467 patients. 86% of them were for generic drugs. CMS names the drug for 6,609 of them, across 132 drugs with 11 or more claims each, at $645,554 in total drug cost. In 2023, CMS named 5,489 claims across 115 drugs.
Dr. Stephan's Part D claims by kind of drug, 2024
- Generic6,225 claims86%
- Brand-name946 claims13%
- Other64 claims1%
Dr. Stephan'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. Stephan's Part D claims, 2024
- Opioids2%143 of 7,235 claims
- Antibiotics1%104 of 7,235 claims
- Antipsychotics, patients 65 and over0%28 of 7,235 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: 5,4892024: 6,60920%
Drugs named by CMS: 132 in 2024, 115 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. Peter Douglas Stephan takes part in Medicare
Dr. Stephan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Peter Douglas Stephan received $5,960 in industry payments from 2016 to 2025
CMS Open Payments shows 155 general payments to Dr. Stephan from 27 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, $1,775.
General payments to Dr. Stephan by program year, 2016 to 2025
Companies that paid Dr. Stephan 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. Peter Douglas Stephan graduated from Northwestern University Feinberg Medical School
Dr. Stephan graduated from Northwestern University Feinberg Medical School in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Douglas Stephan'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)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. Peter Douglas Stephan
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. Peter Douglas Stephan's NPI number?
Dr. Peter Douglas Stephan's NPI number is 1548266307. It was assigned on June 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Douglas Stephan?
Dr. Peter Douglas Stephan is a family medicine physician in Winchester, Indiana. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Peter Douglas Stephan practice?
Dr. Stephan practices at 473 E Greenville Ave, Winchester, IN 47394. Dr. Stephan's primary practice is Ascension St. Vincent Randolph in Winchester, Indiana, part of Ascension Health Alliance. Dmand AI also links Dr. Stephan to 2 group practices and clinics and 1 medical group.
What is Dr. Peter Douglas Stephan's office phone number?
The practice phone on file for Dr. Stephan is (765) 584-0004.
What is Dr. Peter Douglas Stephan's medical license number?
Dr. Stephan holds Indiana license 01035748A, one of the licenses on file in 3 states.
Which states has Dr. Peter Douglas Stephan been licensed in?
Dmand AI has state licenses on file for Dr. Stephan in Indiana, Florida and Georgia.
Which hospitals is Dr. Peter Douglas Stephan affiliated with?
Dr. Stephan practices at Ascension St. Vincent Randolph in Winchester, Indiana. Dr. Stephan is also affiliated with Ascension St. Vincent Kokomo.
What medical group is Dr. Peter Douglas Stephan part of?
Dr. Stephan is linked to Ascension Medical Group St Vincent. Dmand AI links Dr. Stephan to 1 more medical group.
Does Dr. Peter Douglas Stephan accept Medicare?
Yes. CMS data shows Dr. Stephan billed Medicare for 359 services in 2024, and Dr. Stephan accepts Medicare assignment.
How many Medicare patients does Dr. Peter Douglas Stephan see?
CMS counts 178 Medicare patients who saw Dr. Stephan in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Peter Douglas Stephan bill to Medicare?
In 2024, Dr. Stephan's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Peter Douglas Stephan go to medical school?
Dr. Stephan graduated from Northwestern University Feinberg Medical School in 1985.
What drugs does Dr. Peter Douglas Stephan prescribe most?
In 2024 Medicare Part D data, Dr. Stephan's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Amlodipine Besylate.
Has Dr. Peter Douglas Stephan received payments from drug or device companies?
CMS Open Payments shows $5,960 in general payments to Dr. Stephan from 27 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Peter Douglas Stephan been practicing?
Dr. Stephan graduated from medical school in 1985, 41 years ago.
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