Dr. Katie L. McMaster, MD
- Part D claims, 2022
- 11
- Publications
- 1
- Hospital affiliations
- 3
- Industry payments
- $142
- Medical group
- 1
- Practice address
- 701 10th Street SE, Cedar Rapids, IA 52403
- Practice phone
- Call (319) 398-6011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McMaster'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. Katie L. McMaster is a general surgeon in Cedar Rapids, Iowa
Dr. McMaster practices at Mercy Medical Center in Cedar Rapids, Iowa, part of Mercy Medical Center.
Dr. McMaster's NPI, 1215490735, was assigned on April 11, 2019. Dr. McMaster graduated from Indiana University School of Medicine in 2019. Dr. McMaster holds Indiana license 01094055A.
- NPI
- 1215490735NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335473438
- NPI enumeration date
- April 11, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (319) 398-6011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katie L. McMaster practices at Mercy Medical Center in Cedar Rapids, Iowa
Dr. McMaster's primary practice is Mercy Medical Center, at 701 10th Street SE, Cedar Rapids, IA 52403 in Linn County. The practice phone is (319) 398-6011.
- Mercy Medical Center701 10th Street SE, Cedar Rapids, IA 52403 · Linn CountyPhone(319) 398-6011
Source: Dmand AI Affiliation Data
Dr. Katie L. McMaster is affiliated with 3 sites of care and 1 medical group
Dr. McMaster's primary practice is Mercy Medical Center in Cedar Rapids, Iowa, part of Mercy Medical Center. Dr. McMaster is also affiliated with University of Iowa Health Care Medical Center. The medical group on file is Scanlan Center for School Mental Health Clinic. Dmand AI also links Dr. McMaster to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katie L. McMaster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McMaster practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Center | Available with a free account |
| +2 more affiliated sites | 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 Mercy Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Katie L. McMaster is one of 317 general surgeons in Iowa
Surgery is Dr. McMaster's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. McMaster is licensed in Indiana.
Specialties and state licenses
- Surgery, IndianaPrimary
General surgeons near Dr. McMaster
Counts of general surgeons 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. Katie L. McMaster's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. McMaster's median patient age at 68, with 39% women.
Dr. McMaster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women39%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Katie L. McMaster wrote 11 Medicare Part D claims in 2022
In 2022, Dr. McMaster wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $41 in total drug cost. In 2021, CMS named 24 claims across 2 drugs.
Dr. McMaster's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 242022: 1154%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Katie L. McMaster takes part in Medicare
Dr. McMaster accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Katie L. McMaster has 1 publication on record
Dmand AI links 1 paper to Dr. McMaster in 2022.
Recent publications by Dr. McMaster
See who Dr. McMaster researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McMaster works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Katie L. McMaster received $142 in industry payments from 2023 to 2025
CMS Open Payments shows 4 general payments to Dr. McMaster from 3 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Mesh Suture Inc paid the most, $67.
General payments to Dr. McMaster by program year, 2023 to 2025
Companies that paid Dr. McMaster the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katie L. McMaster graduated from Indiana University School of Medicine
Dr. McMaster graduated from Indiana University School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katie L. McMaster'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| 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. Katie L. McMaster
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. Katie L. McMaster's NPI number?
Dr. Katie L. McMaster's NPI number is 1215490735. It was assigned on April 11, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Katie L. McMaster?
Dr. Katie L. McMaster is a general surgeon in Cedar Rapids, Iowa. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Katie L. McMaster practice?
Dr. McMaster practices at 701 10th Street SE, Cedar Rapids, IA 52403. Dr. McMaster's primary practice is Mercy Medical Center in Cedar Rapids, Iowa, part of Mercy Medical Center. Dmand AI also links Dr. McMaster to 1 hospital.
What is Dr. Katie L. McMaster's office phone number?
The practice phone on file for Dr. McMaster is (319) 398-6011.
What is Dr. Katie L. McMaster's medical license number?
Dr. McMaster holds Indiana license 01094055A.
Which hospitals is Dr. Katie L. McMaster affiliated with?
Dr. McMaster practices at Mercy Medical Center in Cedar Rapids, Iowa. Dr. McMaster is also affiliated with University of Iowa Health Care Medical Center. Dmand AI links Dr. McMaster to 1 more hospital.
What medical group is Dr. Katie L. McMaster part of?
Dr. McMaster is linked to Scanlan Center for School Mental Health Clinic.
Does Dr. Katie L. McMaster accept Medicare?
Yes. CMS lists Dr. McMaster as accepting Medicare assignment.
Where did Dr. Katie L. McMaster go to medical school?
Dr. McMaster graduated from Indiana University School of Medicine in 2019.
What drugs does Dr. Katie L. McMaster prescribe most?
In 2022 Medicare Part D data, Dr. McMaster's most prescribed drugs by claims were Ibuprofen.
Show 3 more questionsShow fewer questions
Has Dr. Katie L. McMaster received payments from drug or device companies?
CMS Open Payments shows $142 in general payments to Dr. McMaster from 3 companies from 2023 to 2025. The largest total came from Mesh Suture Inc.
How long has Dr. Katie L. McMaster been practicing?
Dr. McMaster graduated from medical school in 2019, 7 years ago.
Does Dr. Katie L. McMaster do research?
Dmand AI links 1 publication to Dr. McMaster.
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