Dr. Rachel Anne Duncan, MD
- Medicare services, 2024
- 5,512
- Medicare patients, 2024
- 513
- Part D claims, 2024
- 11,470
- Hospital affiliations
- 5
- Industry payments
- $13
- Practice address
- 1500 Sw 10th Avenue, Topeka, KS 66604
- Practice phone
- Call (785) 354-6121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Duncan'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. Rachel Anne Duncan is an internist in Topeka, Kansas
Dr. Duncan practices at Stormont Vail Hospital in Topeka, Kansas, part of Stormont Vail Health.
Dr. Duncan's NPI, 1255361820, was assigned on July 3, 2006. Dr. Duncan graduated from University of Kansas School of Med (KC/Wich/Sal) in 1996. Dr. Duncan holds Kansas license 0428176.
- NPI
- 1255361820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113960915
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (785) 354-6121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rachel Anne Duncan practices at Stormont Vail Hospital in Topeka, Kansas
Dr. Duncan's primary practice is Stormont Vail Hospital, at 1500 Sw 10th Avenue, Topeka, KS 66604 in Shawnee County. The practice phone is (785) 354-6121.
- Stormont Vail Hospital1500 Sw 10th Avenue, Topeka, KS 66604 · Shawnee CountyPhone(785) 354-6121
Source: Dmand AI Affiliation Data
Dr. Rachel Anne Duncan is affiliated with 10 sites of care and 1 medical group
Dr. Duncan's primary practice is Stormont Vail Hospital in Topeka, Kansas, part of Stormont Vail Health. Dr. Duncan is also affiliated with The University of Kansas Hospital. The medical group on file is Cotton O'Neil Clinic. Dmand AI also links Dr. Duncan to 3 more hospitals, 2 home health agencies, 1 group practice or clinic, 1 hospice 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. Rachel Anne Duncan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duncan practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stormont Vail Hospital | Available with a free account |
| +9 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 Stormont Vail Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rachel Anne Duncan is one of 866 internists in Kansas
Internal medicine is Dr. Duncan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Duncan is licensed in Kansas.
Specialties and state licenses
- Internal medicine, KansasPrimary
Internists near Dr. Duncan
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. Rachel Anne Duncan billed Medicare for 5,512 services in 2024
CMS data shows 5,512 Medicare services from Dr. Duncan across 36 procedure codes in 2024, for 513 Medicare patients. Medicare paid $222,421 for them.
Dr. Duncan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0972024: 1,71456%
- Surgery
- 2023: 1,1322024: 1,1724%
- Other services
- 2023: 5782024: 88854%
- Imaging
- 2023: 5462024: 59810%
- Tests and treatments
- 2023: 6712024: 52921%
- Lab and pathology
- 2023: 2652024: 41356%
- Drugs given in the office
- 2023: 1,8972024: 19890%
Where Dr. Duncan's Medicare services took place, 2024
- In an office5,489100%
- In a facility230%
Dr. Duncan compared with the Kansas median for internists, 2024
- Dr. Duncan
- Kansas median
- Medicare services
- 5,512vs 6818.1 times
- Medicare patients
- 513vs 2532.0 times
- Part D claims
- 10,778vs 17960.2 times
Medians across 820 internists in Kansas with Dmand AI profiles that report each measure.
Dr. Duncan'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. Duncan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duncan and other internists in Kansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rachel Anne Duncan treated 513 Medicare patients in 2024, average age 76
CMS counts 513 Medicare patients who saw Dr. Duncan in 2024. The largest group is 65 to 74, with 229 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duncan's median patient age at 65, with 94% women.
Dr. Duncan's Medicare patients by age, 2024
Dr. Duncan's Medicare patients by sex, 2024
- Women47793%
- Men367%
Chronic conditions among Dr. Duncan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis49%
- Chronic kidney disease29%
- Osteoporosis27%
- Diabetes25%
- Mood disorders25%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duncan'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
- Women94%
- Men6%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rachel Anne Duncan wrote 11,470 Medicare Part D claims in 2024
In 2024, Dr. Duncan wrote 11,470 Medicare Part D claims for 588 patients. 86% of them were for generic drugs. CMS names the drug for 10,778 of them, across 157 drugs with 11 or more claims each, at $654,763 in total drug cost. In 2023, CMS named 9,273 claims across 144 drugs.
Dr. Duncan's Part D claims by kind of drug, 2024
- Generic9,809 claims86%
- Brand-name1,622 claims14%
- Other39 claims0%
Dr. Duncan'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. Duncan's Part D claims, 2024
- Opioids4%424 of 11,470 claims
- Antibiotics3%302 of 11,470 claims
- Antipsychotics, patients 65 and over0%51 of 11,470 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: 9,2732024: 10,77816%
Drugs named by CMS: 157 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. Rachel Anne Duncan offers telehealth to Medicare patients
Dr. Duncan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Duncan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Rachel Anne Duncan received $13 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Duncan from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Tandem Diabetes Care, Inc. paid the most, $13.
Companies that paid Dr. Duncan the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rachel Anne Duncan graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Duncan graduated from University of Kansas School of Med (KC/Wich/Sal) in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rachel Anne Duncan'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. Rachel Anne Duncan
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. Rachel Anne Duncan's NPI number?
Dr. Rachel Anne Duncan's NPI number is 1255361820. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rachel Anne Duncan?
Dr. Rachel Anne Duncan is an internist in Topeka, Kansas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Rachel Anne Duncan practice?
Dr. Duncan practices at 1500 Sw 10th Avenue, Topeka, KS 66604. Dr. Duncan's primary practice is Stormont Vail Hospital in Topeka, Kansas, part of Stormont Vail Health. Dmand AI also links Dr. Duncan to 3 hospitals, 2 home health agencies, 1 group practice or clinic, 1 hospice and 1 skilled nursing facility.
What is Dr. Rachel Anne Duncan's office phone number?
The practice phone on file for Dr. Duncan is (785) 354-6121.
What is Dr. Rachel Anne Duncan's medical license number?
Dr. Duncan holds Kansas license 0428176.
Which hospitals is Dr. Rachel Anne Duncan affiliated with?
Dr. Duncan practices at Stormont Vail Hospital in Topeka, Kansas. Dr. Duncan is also affiliated with The University of Kansas Hospital. Dmand AI links Dr. Duncan to 3 more hospitals.
What medical group is Dr. Rachel Anne Duncan part of?
Dr. Duncan is linked to Cotton O'Neil Clinic.
Does Dr. Rachel Anne Duncan accept Medicare?
Yes. CMS data shows Dr. Duncan billed Medicare for 5,512 services in 2024, and Dr. Duncan accepts Medicare assignment.
Does Dr. Rachel Anne Duncan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Duncan as offering telehealth services.
How many Medicare patients does Dr. Rachel Anne Duncan see?
CMS counts 513 Medicare patients who saw Dr. Duncan in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Rachel Anne Duncan bill to Medicare?
In 2024, Dr. Duncan's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and care management and other visits (99490).
Where did Dr. Rachel Anne Duncan go to medical school?
Dr. Duncan graduated from University of Kansas School of Med (KC/Wich/Sal) in 1996.
What drugs does Dr. Rachel Anne Duncan prescribe most?
In 2024 Medicare Part D data, Dr. Duncan's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Losartan Potassium.
Has Dr. Rachel Anne Duncan received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Duncan from 1 company from 2023 to 2023. The largest total came from Tandem Diabetes Care, Inc.
How long has Dr. Rachel Anne Duncan been practicing?
Dr. Duncan graduated from medical school in 1996, 30 years ago.
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