Dr. Margaret Free, MD
- Publications
- 2
- Industry payments
- $39
- Affiliated sites
- 3
- Medical groups
- 2
- Insurance carriers
- 14
- Practice address
- 1600 W 22nd St, Sioux Falls, SD 57105
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sanford Childrens Specialty Clinic - Pediatric Developmental - HOPD
Acute Care Hospital outpatient department · Sioux Falls, South Dakota
Find Dr. Free'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. Margaret Free is a pediatric infectious diseases physician in Sioux Falls, South Dakota
Dr. Free practices at Sanford Childrens Specialty Clinic - Pediatric Developmental - HOPD in Sioux Falls, South Dakota.
Dr. Free's NPI, 1891215414, was assigned on June 24, 2017. Dr. Free graduated from Sanford School of Medicine in 2017. Dr. Free holds South Dakota license 14352.
- NPI
- 1891215414NPI Registry (opens in a new tab)
- NPI enumeration date
- June 24, 2017
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Margaret Free practices at Sanford Childrens Specialty Clinic - Pediatric Developmental - HOPD in Sioux Falls, South Dakota
Dr. Free's primary practice is Sanford Childrens Specialty Clinic - Pediatric Developmental - HOPD, at 1600 W 22nd St, Sioux Falls, SD 57105.
- Sanford Childrens Specialty Clinic - Pediatric Developmental - HOPD1600 W 22nd St, Sioux Falls, SD 57105
Source: Dmand AI Affiliation Data
Dr. Margaret Free is affiliated with 3 sites of care and 2 medical groups
Dr. Free's primary practice is Sanford Childrens Specialty Clinic - Pediatric Developmental - HOPD in Sioux Falls, South Dakota. The medical group on file is Edith Sanford Breast Center Sioux Falls. Dmand AI also links Dr. Free to 2 more group practices and clinics and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Margaret Free's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Free practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sanford Childrens Specialty Clinic - Pediatric Developmental - HOPD | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Margaret Free is one of 3 pediatric infectious diseases physicians in South Dakota
Pediatric infectious diseases is Dr. Free's primary specialty in the NPI Registry, under taxonomy code 2080P0208X. Dr. Free is board certified in pediatric infectious diseases by the American Board of Pediatrics. Dmand AI has Dr. Free's licenses on file in 4 states: South Dakota, Iowa, Minnesota and Tennessee.
Specialties and state licenses
- Pediatric infectious diseases, South DakotaPrimary
- Iowa license
- Minnesota license
- Tennessee license
Pediatric infectious diseases physicians near Dr. Free
Counts of pediatric infectious diseases 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. Margaret Free's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Free's median patient age at 11, with 44% women.
Dr. Free's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Margaret Free has 2 publications on record
Dmand AI links 2 papers to Dr. Free in 2025. Dr. Free's most frequent co-authors are Matthew Alderson Barker, MD and Ashley Renee Sandeen, DO.
Dr. Free's most frequent co-authors
Recent publications by Dr. Free
See who Dr. Free researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Free works with, so you can find a warm path to the right pediatric infectious diseases physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Margaret Free received $39 in industry payments from 2018 to 2023
CMS Open Payments shows 2 general payments to Dr. Free from 2 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Tris Pharma Inc paid the most, $24.
General payments to Dr. Free by program year, 2018 to 2023
Companies that paid Dr. Free the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Margaret Free graduated from Sanford School of Medicine
Dr. Free graduated from Sanford School of Medicine in 2017.
- Medical school
- Board certified in pediatric infectious diseases
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Margaret Free accepts plans from 14 insurance carriers
Dr. Free is in network with 14 carriers, including Blue Cross Blue Shield of Michigan, Elevance and HCSC. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- United Healthcare
- Medica
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +6 more carriersWith a free account
Plan types Dr. Free accepts, by number of carriers
- PPO10
- HMO9
- POS5
- Medicare4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Margaret Free'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Margaret Free
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. Margaret Free's NPI number?
Dr. Margaret Free's NPI number is 1891215414. It was assigned on June 24, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret Free?
Dr. Margaret Free is a pediatric infectious diseases physician in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is Pediatric Infectious Diseases Physician (taxonomy code 2080P0208X).
Where does Dr. Margaret Free practice?
Dr. Free practices at 1600 W 22nd St, Sioux Falls, SD 57105. Dr. Free's primary practice is Sanford Childrens Specialty Clinic - Pediatric Developmental - HOPD in Sioux Falls, South Dakota. Dmand AI also links Dr. Free to 2 group practices and clinics and 1 medical group.
What is Dr. Margaret Free's medical license number?
Dr. Free holds South Dakota license 14352, one of the licenses on file in 4 states.
Which states has Dr. Margaret Free been licensed in?
Dmand AI has state licenses on file for Dr. Free in South Dakota, Iowa (2025 to 2027), Minnesota (2025 to 2026) and Tennessee (2020 to 2023).
What medical group is Dr. Margaret Free part of?
Dr. Free is linked to Edith Sanford Breast Center Sioux Falls. Dmand AI links Dr. Free to 1 more medical group.
Is Dr. Margaret Free board certified?
Yes. Dr. Free is board certified in pediatric infectious diseases by the American Board of Pediatrics.
Where did Dr. Margaret Free go to medical school?
Dr. Free graduated from Sanford School of Medicine in 2017.
Has Dr. Margaret Free received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to Dr. Free from 2 companies from 2018 to 2023. The largest total came from Tris Pharma Inc.
How long has Dr. Margaret Free been practicing?
Dr. Free graduated from medical school in 2017, 9 years ago.
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Does Dr. Margaret Free do research?
Dmand AI links 2 publications to Dr. Free.
Who does Dr. Margaret Free publish with?
Dr. Free's most frequent co-authors are Matthew Alderson Barker, MD (1 shared paper) and Ashley Renee Sandeen, DO (1 shared paper).
What insurance does Dr. Margaret Free accept?
Dr. Free is in network with 14 carriers, including Blue Cross Blue Shield of Michigan, Elevance and HCSC. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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