Proc Natl Acad Sci U S A
Antineoplastic AgentsBridged Bicyclo Compounds, HeterocyclicCell Line, Tumor
Dr. Brian Charles Grieb, MD, PhD
NPI1609220714PAC ID8820382641
- Medicare patients, 2024
- 12
- Part D claims, 2018
- 150
- Publications
- 14
- Hospital affiliations
- 1
- Industry payments
- $4,164
- Practice address
- 605 Glenwood Dr, Chattanooga, TN 37404
- Practice phone
- Call (615) 329-0570
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tennessee Oncology
Chattanooga, Tennessee
Find Dr. Grieb's professional email, personal email and mobile number
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Dr. Brian Charles Grieb is a medical oncologist in Chattanooga, Tennessee
Dr. Grieb practices at Tennessee Oncology in Chattanooga, Tennessee.
Dr. Grieb's NPI, 1609220714, was assigned on April 15, 2016. Dr. Grieb graduated from Vanderbilt University School of Medicine in 2016. Dr. Grieb holds Tennessee license 56514.
NPI and contact details
- NPI
- 1609220714NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820382641
- NPI enumeration date
- April 15, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 329-0570
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian Charles Grieb practices at Tennessee Oncology in Chattanooga, Tennessee
Dr. Grieb's primary practice is Tennessee Oncology, at 605 Glenwood Dr, Chattanooga, TN 37404 in Hamilton County. The practice phone is (615) 329-0570.
- Tennessee Oncology605 Glenwood Dr, Chattanooga, TN 37404 · Hamilton CountyPhone(615) 329-0570
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Brian Charles Grieb is affiliated with 4 sites of care and 2 medical groups
Dr. Grieb's primary practice is Tennessee Oncology in Chattanooga, Tennessee. Dr. Grieb is also affiliated with TriStar Centennial Medical Center. The medical group on file is Tennessee Oncology. Dmand AI also links Dr. Grieb to 2 more group practices and clinics and 1 medical group, each named with a free account.
Tennessee OncologyPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Brian Charles Grieb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grieb practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tennessee Oncology | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Brian Charles Grieb is one of 99 medical oncologists in Tennessee
Medical oncology is Dr. Grieb's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Grieb is licensed in Tennessee.
Specialties and state licenses
- Medical oncology, TennesseePrimary
Medical oncologists near Dr. Grieb
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. Brian Charles Grieb treated 12 Medicare patients in 2024, average age 71
CMS counts 12 Medicare patients who saw Dr. Grieb in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.93, 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. Grieb's median patient age at 61, with 71% women.
Medicare patients, 202412
Average age71
Average risk score3.93
Chronic conditions among Dr. Grieb's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grieb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian Charles Grieb wrote 150 Medicare Part D claims in 2018
In 2018, Dr. Grieb wrote 150 Medicare Part D claims. Every claim was for a generic drug. They cover 9 drugs, with $1,957 in total drug cost. In 2017, CMS named 153 claims across 9 drugs.
Part D claims, 2018150
Drugs named by CMS9
Total drug cost$1,957
Dr. Grieb's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 1532018: 1502%
Drugs named by CMS: 9 in 2018, 9 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Brian Charles Grieb takes part in Medicare
Dr. Grieb 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. Brian Charles Grieb has 14 publications on record
Dmand AI links 14 papers to Dr. Grieb, published from 2014 to 2024. 2014 was the busiest year, with 3. The most frequent topics are Carrier Proteins, Cell Line, Tumor and Proto-Oncogene Proteins c-myc. Dr. Grieb has published most often in Am Soc Clin Oncol Educ Book. Dr. Grieb's most frequent co-authors are Rajiv Agarwal, Kristen Keon Ciombor, MD and Crystal S. Denlinger, MD.
Papers14
Years published2014 to 2024
Dr. Grieb's papers by year, 2014 to 2024
Topics Dr. Grieb writes about most
- Carrier Proteins
- Cell Line, Tumor
- Proto-Oncogene Proteins c-myc
- Apoptosis
- Cell Proliferation
- Cell Transformation, Neoplastic
- HEK293 Cells
- Molecular Targeted Therapy
Dr. Grieb's most frequent co-authors
- Rajiv Agarwal1 shared paper
- Kristen Keon Ciombor, MD1 shared paper
- Crystal S. Denlinger, MD1 shared paper
Recent publications by Dr. Grieb
See who Dr. Grieb researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grieb works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brian Charles Grieb received $4,164 in industry payments from 2024 to 2025
CMS Open Payments shows 21 general payments to Dr. Grieb from 9 drug and device companies from 2024 to 2025. Travel and lodging make up the largest share, 46% of the total. Eli Lilly and Company paid the most, $3,823.
General payments to Dr. Grieb by program year, 2024 to 2025
General payments to Dr. Grieb by kind, 2024 to 2025
$4.2Kin total
- Travel and lodging$1,92446%
- Consulting fees$1,87545%
- Food and beverage$3659%
Companies that paid Dr. Grieb the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian Charles Grieb graduated from Vanderbilt University School of Medicine
Dr. Grieb graduated from Vanderbilt University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian Charles Grieb'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 Data |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Brian Charles Grieb
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. Brian Charles Grieb's NPI number?
Dr. Brian Charles Grieb's NPI number is 1609220714. It was assigned on April 15, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Charles Grieb?
Dr. Brian Charles Grieb is a medical oncologist in Chattanooga, Tennessee. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Brian Charles Grieb practice?
Dr. Grieb practices at 605 Glenwood Dr, Chattanooga, TN 37404. Dr. Grieb's primary practice is Tennessee Oncology in Chattanooga, Tennessee. Dmand AI also links Dr. Grieb to 2 group practices and clinics and 1 medical group.
What is Dr. Brian Charles Grieb's office phone number?
The practice phone on file for Dr. Grieb is (615) 329-0570.
What is Dr. Brian Charles Grieb's medical license number?
Dr. Grieb holds Tennessee license 56514.
Which hospitals is Dr. Brian Charles Grieb affiliated with?
Dr. Grieb is affiliated with TriStar Centennial Medical Center.
What medical group is Dr. Brian Charles Grieb part of?
Dr. Grieb is linked to Tennessee Oncology. Dmand AI links Dr. Grieb to 1 more medical group.
Does Dr. Brian Charles Grieb accept Medicare?
Yes. CMS lists Dr. Grieb as accepting Medicare assignment.
How many Medicare patients does Dr. Brian Charles Grieb see?
CMS counts 12 Medicare patients who saw Dr. Grieb in 2024, with an average age of 71.
Where did Dr. Brian Charles Grieb go to medical school?
Dr. Grieb graduated from Vanderbilt University School of Medicine in 2016.
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What drugs does Dr. Brian Charles Grieb prescribe most?
In 2018 Medicare Part D data, Dr. Grieb's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. Brian Charles Grieb received payments from drug or device companies?
CMS Open Payments shows $4,164 in general payments to Dr. Grieb from 9 companies from 2024 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Brian Charles Grieb been practicing?
Dr. Grieb graduated from medical school in 2016, 10 years ago.
Does Dr. Brian Charles Grieb do research?
Dmand AI links 14 publications to Dr. Grieb, published from 2014 to 2024.
Who does Dr. Brian Charles Grieb publish with?
Dr. Grieb's most frequent co-authors are Rajiv Agarwal (1 shared paper), Kristen Keon Ciombor, MD (1 shared paper) and Crystal S. Denlinger, MD (1 shared paper).
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