JAMA Intern Med
Dr. Barbara Christine Soyster, MD
- Medicare services, 2024
- 481
- Medicare patients, 2024
- 174
- Part D claims, 2024
- 3,485
- Publications
- 1
- Clinical trials
- 1
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find Dr. Soyster'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. Barbara Christine Soyster is an internist in Ann Arbor, Michigan
Dr. Soyster practices at University Hospital in Ann Arbor, Michigan.
Dr. Soyster's NPI, 1932299047, was assigned on October 13, 2006. Dr. Soyster graduated from University of Michigan Medical School in 1985. Dr. Soyster holds Michigan license 4301406177.
- NPI
- 1932299047NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608917273
- NPI enumeration date
- October 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Barbara Christine Soyster practices at University Hospital in Ann Arbor, Michigan
Dr. Soyster's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
Dr. Barbara Christine Soyster is affiliated with 4 sites of care and 1 medical group
Dr. Soyster's primary practice is University Hospital in Ann Arbor, Michigan. Dr. Soyster is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Soyster to 1 more group practice or clinic and 1 home health agency, each named with a free account. Dr. Soyster's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Barbara Christine Soyster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Soyster practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Barbara Christine Soyster is one of 4,804 internists in Michigan
Internal medicine is Dr. Soyster's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Soyster is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Soyster
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. Barbara Christine Soyster billed Medicare for 481 services in 2024
CMS data shows 481 Medicare services from Dr. Soyster across 6 procedure codes in 2024, for 174 Medicare patients. Medicare paid $27,596 for them.
Dr. Soyster's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3272024: 26220%
- Other services
- 2023: 902024: 219143%
Where Dr. Soyster's Medicare services took place, 2024
- In an office41887%
- In a facility6313%
Dr. Soyster compared with the Michigan median for internists, 2024
- Dr. Soyster
- Michigan median
- Medicare services
- 481vs 42314% above
- Medicare patients
- 174vs 1599% above
- Part D claims
- 2,966vs 3149.4 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Soyster'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. Soyster and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barbara Christine Soyster treated 174 Medicare patients in 2024, average age 74
CMS counts 174 Medicare patients who saw Dr. Soyster in 2024. The largest group is 75 to 84, with 70 patients. 70% of them have high blood pressure, and 45% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Soyster's median patient age at 62, with 65% women.
Dr. Soyster's Medicare patients by age, 2024
Dr. Soyster's Medicare patients by sex, 2024
- Women13276%
- Men4224%
Chronic conditions among Dr. Soyster's Medicare patients, 2024
- High blood pressure70%
- High cholesterol45%
- Arthritis34%
- Osteoporosis26%
- Diabetes25%
- Chronic kidney disease24%
- Ischemic heart disease23%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Soyster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Barbara Christine Soyster wrote 3,485 Medicare Part D claims in 2024
In 2024, Dr. Soyster wrote 3,485 Medicare Part D claims for 355 patients. 89% of them were for generic drugs. CMS names the drug for 2,966 of them, across 70 drugs with 11 or more claims each, at $221,589 in total drug cost. In 2023, CMS named 2,777 claims across 67 drugs.
Dr. Soyster's Part D claims by kind of drug, 2024
- Generic3,087 claims89%
- Brand-name379 claims11%
- Other19 claims1%
Dr. Soyster'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. Soyster's Part D claims, 2024
- Opioids1%32 of 3,485 claims
- Antibiotics1%29 of 3,485 claims
- Antipsychotics, patients 65 and over0%15 of 3,485 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: 2,7772024: 2,9667%
Drugs named by CMS: 70 in 2024, 67 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. Barbara Christine Soyster offers telehealth to Medicare patients
Dr. Soyster accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Soyster as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 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. Barbara Christine Soyster has 1 publication on record
Dmand AI links 1 paper to Dr. Soyster. Dr. Soyster's most frequent co-authors are Eve Askanas Kerr, MD and Jeffrey Kullgren, MD, MPH.
Dr. Soyster's most frequent co-authors
Recent publications by Dr. Soyster
See who Dr. Soyster researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Soyster 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. Barbara Christine Soyster has worked on 1 clinical trial
Dmand AI links Dr. Soyster to 1 clinical trial.
Investigators on the most trials with Dr. Soyster
Recent clinical trials with Dr. Soyster
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Barbara Christine Soyster graduated from University of Michigan Medical School
Dr. Soyster graduated from University of Michigan Medical School in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Barbara Christine Soyster'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Barbara Christine Soyster
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. Barbara Christine Soyster's NPI number?
Dr. Barbara Christine Soyster's NPI number is 1932299047. It was assigned on October 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Barbara Christine Soyster?
Dr. Barbara Christine Soyster is an internist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Barbara Christine Soyster practice?
Dr. Soyster practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Soyster's primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Soyster to 1 group practice or clinic and 1 home health agency.
What is Dr. Barbara Christine Soyster's office phone number?
The practice phone on file for Dr. Soyster is (734) 936-4000.
What is Dr. Barbara Christine Soyster's medical license number?
Dr. Soyster holds Michigan license 4301406177.
Which hospitals is Dr. Barbara Christine Soyster affiliated with?
Dr. Soyster is affiliated with University Hospital.
What medical group is Dr. Barbara Christine Soyster part of?
Dr. Soyster is linked to University of Michigan Health.
Does Dr. Barbara Christine Soyster accept Medicare?
Yes. CMS data shows Dr. Soyster billed Medicare for 481 services in 2024, and Dr. Soyster accepts Medicare assignment.
Does Dr. Barbara Christine Soyster offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Soyster as offering telehealth services.
How many Medicare patients does Dr. Barbara Christine Soyster see?
CMS counts 174 Medicare patients who saw Dr. Soyster in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
What services does Dr. Barbara Christine Soyster bill to Medicare?
In 2024, Dr. Soyster's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Barbara Christine Soyster go to medical school?
Dr. Soyster graduated from University of Michigan Medical School in 1985.
What drugs does Dr. Barbara Christine Soyster prescribe most?
In 2024 Medicare Part D data, Dr. Soyster's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.
How long has Dr. Barbara Christine Soyster been practicing?
Dr. Soyster graduated from medical school in 1985, 41 years ago.
Does Dr. Barbara Christine Soyster do research?
Dmand AI links 1 publication to Dr. Soyster. Dr. Soyster has worked on 1 clinical trial.
Who does Dr. Barbara Christine Soyster publish with?
Dr. Soyster's most frequent co-authors are Eve Askanas Kerr, MD (1 shared paper) and Jeffrey Kullgren, MD, MPH (1 shared paper).
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