Dr. Ryan Christopher Sisson-Smith, MD

  • Chicago, IL
  • Internist
NPI1548847015PAC ID9638575681
Part D claims, 2024
187
Hospital affiliations
2
Medical groups
2
State license
1
Year NPI issued
2021
Practice address
251 E Huron St, Chicago, IL 60611
Practice phone
Call (312) 926-2000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Northwestern Memorial Hospital

Hospital · Chicago, Illinois

See all 4 affiliations

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Dr. Ryan Christopher Sisson-Smith is an internist in Chicago, Illinois

Dr. Sisson-Smith practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.

Dr. Sisson-Smith's NPI, 1548847015, was assigned on March 29, 2021. Dr. Sisson-Smith graduated from Indiana University School of Medicine in 2021. Dr. Sisson-Smith holds Illinois license 036170233.

NPI and contact details
Medicare PAC ID
9638575681
NPI enumeration date
March 29, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(312) 926-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Ryan Christopher Sisson-Smith practices at Northwestern Memorial Hospital in Chicago, Illinois

Dr. Sisson-Smith's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.

Source: Dmand AI Affiliation Data

Dr. Ryan Christopher Sisson-Smith is affiliated with 2 sites of care and 2 medical groups

Dr. Sisson-Smith's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dr. Sisson-Smith is also affiliated with Franciscan Health Crown Point. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Sisson-Smith to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Sisson-Smith

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ryan Christopher Sisson-Smith's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sisson-Smith practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Memorial HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Ryan Christopher Sisson-Smith is one of 5,652 internists in Illinois

Internal medicine is Dr. Sisson-Smith's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sisson-Smith is licensed in Illinois.

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 390200000X · taxonomy 207R00000X

Internists near Dr. Sisson-Smith

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. Ryan Christopher Sisson-Smith's patients have a median age of 70

Across all payers, Dmand AI patient panel data puts Dr. Sisson-Smith's median patient age at 70, with 53% women.

Dr. Sisson-Smith's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women53%
  • Men47%

Source: Dmand AI Patient Panel Data

Dr. Ryan Christopher Sisson-Smith wrote 187 Medicare Part D claims in 2024

In 2024, Dr. Sisson-Smith wrote 187 Medicare Part D claims for 49 patients. 93% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $122 in total drug cost. In 2023, CMS named 16 claims across 1 drug.

Part D claims, 2024187
Drugs named by CMS2
Total drug cost$122
Part D patients49

Dr. Sisson-Smith's Part D claims by kind of drug, 2024

  • Generic173 claims93%
  • Brand-name and other14 claims7%

Dr. Sisson-Smith'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 162024: 32100%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Sisson-Smith

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. Ryan Christopher Sisson-Smith takes part in Medicare

Dr. Sisson-Smith accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Ryan Christopher Sisson-Smith graduated from Indiana University School of Medicine

Dr. Sisson-Smith graduated from Indiana University School of Medicine in 2021.

  1. Medical schoolIndiana University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Ryan Christopher Sisson-Smith's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ryan Christopher Sisson-Smith

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. Ryan Christopher Sisson-Smith's NPI number?

Dr. Ryan Christopher Sisson-Smith's NPI number is 1548847015. It was assigned on March 29, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Ryan Christopher Sisson-Smith?

Dr. Ryan Christopher Sisson-Smith is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Ryan Christopher Sisson-Smith practice?

Dr. Sisson-Smith practices at 251 E Huron St, Chicago, IL 60611. Dr. Sisson-Smith's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Sisson-Smith to 1 medical group.

What is Dr. Ryan Christopher Sisson-Smith's office phone number?

The practice phone on file for Dr. Sisson-Smith is (312) 926-2000.

What is Dr. Ryan Christopher Sisson-Smith's medical license number?

Dr. Sisson-Smith holds Illinois license 036170233.

Which hospitals is Dr. Ryan Christopher Sisson-Smith affiliated with?

Dr. Sisson-Smith practices at Northwestern Memorial Hospital in Chicago, Illinois. Dr. Sisson-Smith is also affiliated with Franciscan Health Crown Point.

What medical group is Dr. Ryan Christopher Sisson-Smith part of?

Dr. Sisson-Smith is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Sisson-Smith to 1 more medical group.

Does Dr. Ryan Christopher Sisson-Smith accept Medicare?

Yes. CMS lists Dr. Sisson-Smith as accepting Medicare assignment.

Where did Dr. Ryan Christopher Sisson-Smith go to medical school?

Dr. Sisson-Smith graduated from Indiana University School of Medicine in 2021.

What drugs does Dr. Ryan Christopher Sisson-Smith prescribe most?

In 2024 Medicare Part D data, Dr. Sisson-Smith's most prescribed drugs by claims were Atorvastatin Calcium and Meloxicam.

How long has Dr. Ryan Christopher Sisson-Smith been practicing?

Dr. Sisson-Smith graduated from medical school in 2021, 5 years ago.

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