Dr. Peggy Wanner-Barjenbruch, MD
- Medicare services, 2024
- 2,416
- Medicare patients, 2024
- 428
- Part D claims, 2024
- 19,461
- Hospital affiliations
- 2
- Industry payments
- $1,278
- Practice address
- 303 N Keene St, Columbia, MO 65201
- Practice phone
- Call (573) 581-1088
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Missouri Veterans' Home - Mexico
Columbia, Missouri
Find Dr. Wanner-Barjenbruch'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. Peggy Wanner-Barjenbruch is an internist in Columbia, Missouri
Dr. Wanner-Barjenbruch practices at Missouri Veterans' Home - Mexico in Columbia, Missouri.
Dr. Wanner-Barjenbruch's NPI, 1326023185, was assigned on December 14, 2005. Dr. Wanner-Barjenbruch graduated from University of Kansas School of Med (KC/Wich/Sal) in 1982. Dr. Wanner-Barjenbruch holds Missouri license R2F18.
- NPI
- 1326023185NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921019571
- NPI enumeration date
- December 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 581-1088
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peggy Wanner-Barjenbruch practices at Missouri Veterans' Home - Mexico in Columbia, Missouri
Dr. Wanner-Barjenbruch's primary practice is Missouri Veterans' Home - Mexico, at 303 N Keene St, Columbia, MO 65201 in Boone County. The practice phone is (573) 581-1088.
- Missouri Veterans' Home - Mexico303 N Keene St, Columbia, MO 65201 · Boone CountyPhone(573) 581-1088
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Peggy Wanner-Barjenbruch is affiliated with 11 sites of care and 1 medical group
Dr. Wanner-Barjenbruch's primary practice is Missouri Veterans' Home - Mexico in Columbia, Missouri. Dr. Wanner-Barjenbruch is also affiliated with University Hospital. The medical group on file is Boone Health Medical Group. Dmand AI also links Dr. Wanner-Barjenbruch to 1 more hospital, 3 hospices, 2 home health agencies, 2 skilled nursing facilities and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peggy Wanner-Barjenbruch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wanner-Barjenbruch practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Missouri Veterans' Home - Mexico | Available with a free account |
| +10 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peggy Wanner-Barjenbruch is one of 2,114 internists in Missouri
Internal medicine is Dr. Wanner-Barjenbruch's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wanner-Barjenbruch is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Wanner-Barjenbruch
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. Peggy Wanner-Barjenbruch billed Medicare for 2,416 services in 2024
CMS data shows 2,416 Medicare services from Dr. Wanner-Barjenbruch across 19 procedure codes in 2024, for 428 Medicare patients. Medicare paid $153,270 for them. Every service was in an office.
Dr. Wanner-Barjenbruch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3332024: 1,2288%
- Other services
- 2023: 4332024: 4545%
- Tests and treatments
- 2023: 1612024: 405152%
- Surgery
- 2023: 1662024: 1724%
- Lab and pathology
- 2023: 3252024: 15752%
Dr. Wanner-Barjenbruch compared with the Missouri median for internists, 2024
- Dr. Wanner-Barjenbruch
- Missouri median
- Medicare services
- 2,416vs 5304.6 times
- Medicare patients
- 428vs 2112.0 times
- Part D claims
- 18,585vs 32557.2 times
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Wanner-Barjenbruch'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. Wanner-Barjenbruch and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peggy Wanner-Barjenbruch treated 428 Medicare patients in 2024, average age 79
CMS counts 428 Medicare patients who saw Dr. Wanner-Barjenbruch in 2024. The largest group is 75 to 84, with 152 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wanner-Barjenbruch's median patient age at 79, with 64% women.
Dr. Wanner-Barjenbruch's Medicare patients by age, 2024
Dr. Wanner-Barjenbruch's Medicare patients by sex, 2024
- Women32275%
- Men10625%
Chronic conditions among Dr. Wanner-Barjenbruch's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes36%
- Anxiety29%
- Ischemic heart disease26%
- Chronic kidney disease25%
- Osteoporosis22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wanner-Barjenbruch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peggy Wanner-Barjenbruch wrote 19,461 Medicare Part D claims in 2024
In 2024, Dr. Wanner-Barjenbruch wrote 19,461 Medicare Part D claims for 727 patients. 87% of them were for generic drugs. CMS names the drug for 18,585 of them, across 222 drugs with 11 or more claims each, at $1,203,791 in total drug cost. In 2023, CMS named 19,424 claims across 225 drugs.
Dr. Wanner-Barjenbruch's Part D claims by kind of drug, 2024
- Generic16,887 claims87%
- Brand-name2,408 claims12%
- Other166 claims1%
Dr. Wanner-Barjenbruch'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. Wanner-Barjenbruch's Part D claims, 2024
- Opioids4%686 of 19,461 claims
- Antibiotics2%313 of 19,461 claims
- Antipsychotics, patients 65 and over1%183 of 19,461 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: 19,4242024: 18,5854%
Drugs named by CMS: 222 in 2024, 225 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. Peggy Wanner-Barjenbruch takes part in Medicare
Dr. Wanner-Barjenbruch 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. Peggy Wanner-Barjenbruch received $1,278 in industry payments from 2016 to 2025
CMS Open Payments shows 57 general payments to Dr. Wanner-Barjenbruch from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Sunovion Pharmaceuticals Inc. paid the most, $210. It also lists 1 research payment totaling $150 in 2020.
General payments to Dr. Wanner-Barjenbruch by program year, 2016 to 2025
General payments to Dr. Wanner-Barjenbruch by kind, 2016 to 2025
- Food and beverage$1,26699%
- Education$121%
Companies that paid Dr. Wanner-Barjenbruch 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. Peggy Wanner-Barjenbruch graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Wanner-Barjenbruch graduated from University of Kansas School of Med (KC/Wich/Sal) in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peggy Wanner-Barjenbruch'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Peggy Wanner-Barjenbruch
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. Peggy Wanner-Barjenbruch's NPI number?
Dr. Peggy Wanner-Barjenbruch's NPI number is 1326023185. It was assigned on December 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Peggy Wanner-Barjenbruch?
Dr. Peggy Wanner-Barjenbruch is an internist in Columbia, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Peggy Wanner-Barjenbruch practice?
Dr. Wanner-Barjenbruch practices at 303 N Keene St, Columbia, MO 65201. Dr. Wanner-Barjenbruch's primary practice is Missouri Veterans' Home - Mexico in Columbia, Missouri. Dmand AI also links Dr. Wanner-Barjenbruch to 1 hospital, 3 hospices, 2 home health agencies, 2 skilled nursing facilities and 1 group practice or clinic.
What is Dr. Peggy Wanner-Barjenbruch's office phone number?
The practice phone on file for Dr. Wanner-Barjenbruch is (573) 581-1088.
What is Dr. Peggy Wanner-Barjenbruch's medical license number?
Dr. Wanner-Barjenbruch holds Missouri license R2F18.
Which hospitals is Dr. Peggy Wanner-Barjenbruch affiliated with?
Dr. Wanner-Barjenbruch is affiliated with University Hospital. Dmand AI links Dr. Wanner-Barjenbruch to 1 more hospital.
What medical group is Dr. Peggy Wanner-Barjenbruch part of?
Dr. Wanner-Barjenbruch is linked to Boone Health Medical Group.
Does Dr. Peggy Wanner-Barjenbruch accept Medicare?
Yes. CMS data shows Dr. Wanner-Barjenbruch billed Medicare for 2,416 services in 2024, and Dr. Wanner-Barjenbruch accepts Medicare assignment.
How many Medicare patients does Dr. Peggy Wanner-Barjenbruch see?
CMS counts 428 Medicare patients who saw Dr. Wanner-Barjenbruch in 2024, with an average age of 79.
What services does Dr. Peggy Wanner-Barjenbruch bill to Medicare?
In 2024, Dr. Wanner-Barjenbruch's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93793) and medicare service (G0439).
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Where did Dr. Peggy Wanner-Barjenbruch go to medical school?
Dr. Wanner-Barjenbruch graduated from University of Kansas School of Med (KC/Wich/Sal) in 1982.
What drugs does Dr. Peggy Wanner-Barjenbruch prescribe most?
In 2024 Medicare Part D data, Dr. Wanner-Barjenbruch's most prescribed drugs by claims were Levothyroxine Sodium, Lisinopril and Amlodipine Besylate.
Has Dr. Peggy Wanner-Barjenbruch received payments from drug or device companies?
CMS Open Payments shows $1,278 in general payments to Dr. Wanner-Barjenbruch from 21 companies from 2016 to 2025. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Peggy Wanner-Barjenbruch been practicing?
Dr. Wanner-Barjenbruch graduated from medical school in 1982, 44 years ago.
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