Dr. Marianne Barnhill, MD
- Medicare services, 2019
- 394
- Part D claims, 2019
- 24
- Publications
- 1
- Industry payments
- $762
- State license
- 1
- Practice address
- 3300 Mercy Health Blvd, Cincinnati, OH 45211
- Practice phone
- Call (504) 920-6102
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Barnhill'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. Marianne Barnhill is a hematologist and oncologist in Cincinnati, Ohio
Dr. Barnhill practices in Cincinnati, Ohio.
Dr. Barnhill's NPI, 1447267687, was assigned on August 1, 2006. Dr. Barnhill holds Virginia license 0101264851.
- NPI
- 1447267687NPI Registry (opens in a new tab)
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Practice phone
- (504) 920-6102
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Marianne Barnhill's practice address is in Cincinnati, Ohio
Dr. Barnhill's practice address in the NPI Registry is 3300 Mercy Health Blvd, Cincinnati, OH 45211, in Hamilton County. The practice phone is (504) 920-6102.
- NPI Registry address3300 Mercy Health Blvd, Cincinnati, OH 45211 · Hamilton CountyPhone(504) 920-6102
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Marianne Barnhill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barnhill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Barnhill's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marianne Barnhill is one of 460 hematologists and oncologists in Ohio
Hematology and oncology is Dr. Barnhill's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Barnhill is licensed in Virginia.
Specialties and state licenses
- Hematology and oncology, VirginiaPrimary
Hematologists and oncologists near Dr. Barnhill
Counts of hematologists and 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. Marianne Barnhill billed Medicare for 394 services in 2019
CMS data shows 394 Medicare services from Dr. Barnhill across 6 procedure codes in 2019. Medicare paid $15,763 for them. Every service was in an office.
Dr. Barnhill's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Surgery
- 2018: 332019: 131297%
- Office and hospital visits
- 2018: 122019: 112833%
- Lab and pathology
- 2018: 02019: 85
- Tests and treatments
- 2018: 02019: 66
Dr. Barnhill compared with the Ohio median for hematologists and oncologists, 2019
- Dr. Barnhill
- Ohio median
- Medicare services
- 394vs 62637% below
- Part D claims
- 24vs 47895% below
Medians across 452 hematologists and oncologists in Ohio with Dmand AI profiles that report each measure.
Dr. Barnhill's most billed Medicare procedure codes, 2019
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. Barnhill and other hematologists and oncologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marianne Barnhill's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Barnhill's median patient age at 60, with 0% women.
Dr. Barnhill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Marianne Barnhill wrote 24 Medicare Part D claims in 2019
In 2019, Dr. Barnhill wrote 24 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $404 in total drug cost. In 2016, CMS named 75 claims across 3 drugs.
Dr. Barnhill's most prescribed drugs by claims, 2019
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, 2016 to 2019
- 2016
- 2019
- Claims for drugs CMS names
- 2016: 752019: 2468%
Drugs named by CMS: 1 in 2019, 3 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Marianne Barnhill has 1 publication on record
Dmand AI links 1 paper to Dr. Barnhill in 2015.
Recent publications by Dr. Barnhill
See who Dr. Barnhill researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barnhill works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Marianne Barnhill received $762 in industry payments from 2016 to 2019
CMS Open Payments shows 45 general payments to Dr. Barnhill from 19 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $92.
General payments to Dr. Barnhill by program year, 2016 to 2019
Companies that paid Dr. Barnhill the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marianne Barnhill'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 |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Marianne Barnhill
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. Marianne Barnhill's NPI number?
Dr. Marianne Barnhill's NPI number is 1447267687. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marianne Barnhill?
Dr. Marianne Barnhill is a hematologist and oncologist in Cincinnati, Ohio. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Marianne Barnhill practice?
Dr. Barnhill practices at 3300 Mercy Health Blvd, Cincinnati, OH 45211.
What is Dr. Marianne Barnhill's office phone number?
The practice phone on file for Dr. Barnhill is (504) 920-6102.
What is Dr. Marianne Barnhill's medical license number?
Dr. Barnhill holds Virginia license 0101264851.
Does Dr. Marianne Barnhill accept Medicare?
Yes. CMS data shows Dr. Barnhill billed Medicare for 394 services in 2019.
What services does Dr. Marianne Barnhill bill to Medicare?
In 2019, Dr. Barnhill's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (85025).
What drugs does Dr. Marianne Barnhill prescribe most?
In 2019 Medicare Part D data, Dr. Barnhill's most prescribed drugs by claims were Anastrozole.
Has Dr. Marianne Barnhill received payments from drug or device companies?
CMS Open Payments shows $762 in general payments to Dr. Barnhill from 19 companies from 2016 to 2019. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Marianne Barnhill been practicing?
Dr. Barnhill's NPI was assigned in 2006.
Does Dr. Marianne Barnhill do research?
Dmand AI links 1 publication to Dr. Barnhill.
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