Dr. Meredith Caroline Schaffner, DO
- Medicare services, 2024
- 1,247
- Medicare patients, 2024
- 250
- Part D claims, 2024
- 1,458
- Hospital affiliations
- 5
- Industry payments
- $43
- Practice address
- 1825 Logan Avenue, Waterloo, IA 50703
- Practice phone
- Call (319) 235-3941
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Schaffner's professional email, personal email and mobile number
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Dr. Meredith Caroline Schaffner is a medical oncologist in Waterloo, Iowa
Dr. Schaffner practices at UnityPoint Health - Allen Hospital in Waterloo, Iowa, part of UnityPoint Health.
Dr. Schaffner's NPI, 1932468576, was assigned on May 15, 2012. Dr. Schaffner graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2012. Dr. Schaffner holds Oregon license DO187179.
- NPI
- 1932468576NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840417515
- NPI enumeration date
- May 15, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (319) 235-3941
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Meredith Caroline Schaffner practices at UnityPoint Health - Allen Hospital in Waterloo, Iowa
Dr. Schaffner's primary practice is UnityPoint Health - Allen Hospital, at 1825 Logan Avenue, Waterloo, IA 50703 in Black Hawk County. The practice phone is (319) 235-3941.
- UnityPoint Health - Allen Hospital1825 Logan Avenue, Waterloo, IA 50703 · Black Hawk CountyPhone(319) 235-3941
Source: Dmand AI Affiliation Data
Dr. Meredith Caroline Schaffner is affiliated with 5 sites of care and 2 medical groups
Dr. Schaffner's primary practice is UnityPoint Health - Allen Hospital in Waterloo, Iowa, part of UnityPoint Health. Dr. Schaffner is also affiliated with MercyOne Waterloo Medical Center. The medical group on file is UnityPoint Health - Allen Hospital. Dmand AI also links Dr. Schaffner to 3 more hospitals and 1 medical group, 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. Meredith Caroline Schaffner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schaffner practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UnityPoint Health - Allen Hospital | Available with a free account |
| +4 more sites and 1 medical group | 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 UnityPoint Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Meredith Caroline Schaffner is one of 55 medical oncologists in Iowa
Medical oncology is Dr. Schaffner's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dmand AI has Dr. Schaffner's licenses on file in 2 states: Oregon and Wisconsin.
Specialties and state licenses
- Medical oncology, OregonPrimary
- Wisconsin license
Medical oncologists near Dr. Schaffner
Counts of medical oncologists 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. Meredith Caroline Schaffner billed Medicare for 1,247 services in 2024
CMS data shows 1,247 Medicare services from Dr. Schaffner across 8 procedure codes in 2024, for 250 Medicare patients. Medicare paid $59,782 for them.
Dr. Schaffner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2312024: 694200%
- Other services
- 2023: 152024: 5533587%
Where Dr. Schaffner's Medicare services took place, 2024
- In an office1,23399%
- In a facility141%
Dr. Schaffner compared with the Iowa median for medical oncologists, 2024
- Dr. Schaffner
- Iowa median
- Medicare services
- 1,247vs 89839% above
- Medicare patients
- 250vs 45445% below
- Part D claims
- 1,140vs 71659% above
Medians across 49 medical oncologists in Iowa with Dmand AI profiles that report each measure.
Dr. Schaffner'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. Schaffner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Schaffner and other medical oncologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Meredith Caroline Schaffner treated 250 Medicare patients in 2024, average age 75
CMS counts 250 Medicare patients who saw Dr. Schaffner in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 10% are also on Medicaid. Their average risk score is 2.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Schaffner's median patient age at 74, with 50% women.
Dr. Schaffner's Medicare patients by age, 2024
Dr. Schaffner's Medicare patients by sex, 2024
- Women13152%
- Men11948%
Chronic conditions among Dr. Schaffner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis48%
- Cancer48%
- Chronic kidney disease38%
- Ischemic heart disease38%
- Diabetes33%
- Anxiety29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schaffner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Meredith Caroline Schaffner wrote 1,458 Medicare Part D claims in 2024
In 2024, Dr. Schaffner wrote 1,458 Medicare Part D claims for 237 patients. 81% of them were for generic drugs. CMS names the drug for 1,140 of them, across 36 drugs with 11 or more claims each, at $1,713,411 in total drug cost. In 2023, CMS named 264 claims across 12 drugs.
Dr. Schaffner's Part D claims by kind of drug, 2024
- Generic1,178 claims81%
- Brand-name280 claims19%
Dr. Schaffner'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. Schaffner's Part D claims, 2024
- Opioids8%118 of 1,458 claims
- Antibiotics6%94 of 1,458 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: 2642024: 1,140332%
Drugs named by CMS: 36 in 2024, 12 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. Meredith Caroline Schaffner takes part in Medicare
Dr. Schaffner 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. Meredith Caroline Schaffner received $43 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Schaffner from 1 drug or device company in 2025. Education make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $43.
Companies that paid Dr. Schaffner the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Meredith Caroline Schaffner graduated from Des Moines University of Osteopathic Medicine and Health Sciences
Dr. Schaffner graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Meredith Caroline Schaffner'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. Meredith Caroline Schaffner
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. Meredith Caroline Schaffner's NPI number?
Dr. Meredith Caroline Schaffner's NPI number is 1932468576. It was assigned on May 15, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Meredith Caroline Schaffner?
Dr. Meredith Caroline Schaffner is a medical oncologist in Waterloo, Iowa. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Meredith Caroline Schaffner practice?
Dr. Schaffner practices at 1825 Logan Avenue, Waterloo, IA 50703. Dr. Schaffner's primary practice is UnityPoint Health - Allen Hospital in Waterloo, Iowa, part of UnityPoint Health. Dmand AI also links Dr. Schaffner to 3 hospitals and 1 medical group.
What is Dr. Meredith Caroline Schaffner's office phone number?
The practice phone on file for Dr. Schaffner is (319) 235-3941.
What is Dr. Meredith Caroline Schaffner's medical license number?
Dr. Schaffner holds Oregon license DO187179, one of the licenses on file in 2 states.
Which states has Dr. Meredith Caroline Schaffner been licensed in?
Dmand AI has state licenses on file for Dr. Schaffner in Oregon and Wisconsin.
Which hospitals is Dr. Meredith Caroline Schaffner affiliated with?
Dr. Schaffner practices at UnityPoint Health - Allen Hospital in Waterloo, Iowa. Dr. Schaffner is also affiliated with MercyOne Waterloo Medical Center. Dmand AI links Dr. Schaffner to 3 more hospitals.
What medical group is Dr. Meredith Caroline Schaffner part of?
Dr. Schaffner is linked to UnityPoint Health - Allen Hospital. Dmand AI links Dr. Schaffner to 1 more medical group.
Does Dr. Meredith Caroline Schaffner accept Medicare?
Yes. CMS data shows Dr. Schaffner billed Medicare for 1,247 services in 2024, and Dr. Schaffner accepts Medicare assignment.
How many Medicare patients does Dr. Meredith Caroline Schaffner see?
CMS counts 250 Medicare patients who saw Dr. Schaffner in 2024, with an average age of 75.
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What services does Dr. Meredith Caroline Schaffner bill to Medicare?
In 2024, Dr. Schaffner's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Meredith Caroline Schaffner go to medical school?
Dr. Schaffner graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2012.
What drugs does Dr. Meredith Caroline Schaffner prescribe most?
In 2024 Medicare Part D data, Dr. Schaffner's most prescribed drugs by claims were Acyclovir, Prednisone and Prochlorperazine Maleate.
Has Dr. Meredith Caroline Schaffner received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Dr. Schaffner from 1 company from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Meredith Caroline Schaffner been practicing?
Dr. Schaffner graduated from medical school in 2012, 14 years ago.
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