Dr. Ingrid A. Mayer, MD

  • Bellefontaine, OH
  • Medical oncologist
NPI1871677971
Medicare services, 2021
330
Part D claims, 2022
61
Clinical trials
1
Hospital affiliations
1
Industry payments
$184,925
Practice address
205 Palmer Avenue, Bellefontaine, OH 43311
Practice phone
Call (937) 651-3257
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mary Rutan Hospital

Hospital · Bellefontaine, Ohio

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Dr. Ingrid A. Mayer is a medical oncologist in Bellefontaine, Ohio

Dr. Mayer practices at Mary Rutan Hospital in Bellefontaine, Ohio, part of Mary Rutan Hospital.

Dr. Mayer's NPI, 1871677971, was assigned on October 25, 2006. Dr. Mayer holds Tennessee license MD37382.

NPI and contact details
NPI enumeration date
October 25, 2006
NPI status
Active
Practice phone
(937) 651-3257
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Ingrid A. Mayer practices at Mary Rutan Hospital in Bellefontaine, Ohio

Dr. Mayer's primary practice is Mary Rutan Hospital, at 205 Palmer Avenue, Bellefontaine, OH 43311 in Logan County. The practice phone is (937) 651-3257.

  • Mary Rutan Hospital
    205 Palmer Avenue, Bellefontaine, OH 43311 · Logan CountyPhone(937) 651-3257

Source: Dmand AI Affiliation Data

Dr. Ingrid A. Mayer is affiliated with 2 sites of care and 1 medical group

Dr. Mayer's primary practice is Mary Rutan Hospital in Bellefontaine, Ohio, part of Mary Rutan Hospital. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Dr. Mayer to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Mayer

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

Dmand AI tracks the EHR system at Dr. Ingrid A. Mayer's practice

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

EHR by site
SiteEHR vendor and product
Mary Rutan HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ingrid A. Mayer is one of 175 medical oncologists in Ohio

Medical oncology is Dr. Mayer's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Mayer is licensed in Tennessee.

Specialties and state licenses

  • Medical oncology, TennesseePrimaryLicense MD37382 · taxonomy 207RX0202X

Medical oncologists near Dr. Mayer

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. Ingrid A. Mayer billed Medicare for 330 services in 2021

CMS data shows 330 Medicare services from Dr. Mayer across 5 procedure codes in 2021. Medicare paid $28,299 for them.

Medicare services, 2021330
Paid by Medicare$28,299
Procedure codes5

Dr. Mayer's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 3472021: 3305%

Where Dr. Mayer's Medicare services took place, 2021

  • In an office22869%
  • In a facility10231%

Dr. Mayer compared with the Ohio median for medical oncologists, 2021

  • Dr. Mayer
  • Ohio median
Medicare services
330vs 338Close to median
Part D claims
61vs 19869% below

Medians across 168 medical oncologists in Ohio with Dmand AI profiles that report each measure.

Dr. Mayer's most billed Medicare procedure codes, 2021

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. Mayer and other medical oncologists in Ohio.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ingrid A. Mayer's patients have a median age of 72

Across all payers, Dmand AI patient panel data puts Dr. Mayer's median patient age at 72, with 91% women.

Dr. Mayer's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women91%
  • Men9%

Source: Dmand AI Patient Panel Data

Dr. Ingrid A. Mayer wrote 61 Medicare Part D claims in 2022

In 2022, Dr. Mayer wrote 61 Medicare Part D claims. They cover 2 drugs, with $185,615 in total drug cost. In 2021, CMS named 540 claims across 17 drugs.

Part D claims, 202261
Drugs named by CMS2
Total drug cost$185,615

Dr. Mayer'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: 5402022: 6189%

Drugs named by CMS: 2 in 2022, 17 in 2021.

See all prescribing by Dr. Mayer

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Ingrid A. Mayer has worked on 1 clinical trial

Dmand AI links Dr. Mayer to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Endometrial Neoplasms and Uterine Neoplasms. Open Payments lists research payments to Dr. Mayer that name 1 trial.

Conditions in Dr. Mayer's trials

  • Endometrial Neoplasms
  • Uterine Neoplasms

Investigators on the most trials with Dr. Mayer

Recent clinical trials with Dr. Mayer

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ingrid A. Mayer received $184,925 in industry payments from 2016 to 2021

CMS Open Payments shows 139 general payments to Dr. Mayer from 17 drug and device companies from 2016 to 2021. Consulting fees make up the largest share, 74% of the total. Novartis Pharmaceuticals Corporation paid the most, $65,523. It also lists 48 research payments totaling $250,724 from 2016 to 2021, naming 1 clinical trial.

General payments to Dr. Mayer by program year, 2016 to 2021

General payments to Dr. Mayer by kind, 2016 to 2021

$184.9Kin total
  • Consulting fees$137,20674%
  • Travel and lodging$22,44012%
  • Speaker and faculty fees$14,4458%
  • Honoraria$6,9004%
  • Other$3,9342%

Companies that paid Dr. Mayer the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Mayer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Ingrid A. Mayer'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)
Clinical trials and co-investigatorsClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Ingrid A. Mayer

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. Ingrid A. Mayer's NPI number?

Dr. Ingrid A. Mayer's NPI number is 1871677971. It was assigned on October 25, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ingrid A. Mayer?

Dr. Ingrid A. Mayer is a medical oncologist in Bellefontaine, Ohio. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Ingrid A. Mayer practice?

Dr. Mayer practices at 205 Palmer Avenue, Bellefontaine, OH 43311. Dr. Mayer's primary practice is Mary Rutan Hospital in Bellefontaine, Ohio, part of Mary Rutan Hospital. Dmand AI also links Dr. Mayer to 1 group practice or clinic.

What is Dr. Ingrid A. Mayer's office phone number?

The practice phone on file for Dr. Mayer is (937) 651-3257.

What is Dr. Ingrid A. Mayer's medical license number?

Dr. Mayer holds Tennessee license MD37382.

Which hospitals is Dr. Ingrid A. Mayer affiliated with?

Dr. Mayer practices at Mary Rutan Hospital in Bellefontaine, Ohio.

What medical group is Dr. Ingrid A. Mayer part of?

Dr. Mayer is linked to Vanderbilt University Medical Center.

Does Dr. Ingrid A. Mayer accept Medicare?

Yes. CMS data shows Dr. Mayer billed Medicare for 330 services in 2021.

What services does Dr. Ingrid A. Mayer bill to Medicare?

In 2021, Dr. Mayer's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99232) and office visit, established patient (99214).

What drugs does Dr. Ingrid A. Mayer prescribe most?

In 2022 Medicare Part D data, Dr. Mayer's most prescribed drugs by claims were Letrozole and Verzenio.

Show 3 more questionsShow fewer questions

Has Dr. Ingrid A. Mayer received payments from drug or device companies?

CMS Open Payments shows $184,925 in general payments to Dr. Mayer from 17 companies from 2016 to 2021. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Ingrid A. Mayer been practicing?

Dr. Mayer graduated from medical school in 1998, 28 years ago.

Does Dr. Ingrid A. Mayer do research?

Dr. Mayer has worked on 1 clinical trial.

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