Anti-Bacterial AgentsClostridioides difficileClostridium Infections
Dr. Maribeth Ruth Nicholson, MD
NPI1144497363PAC ID0345468682
- Publications
- 49
- Hospital affiliations
- 1
- Industry payments
- $88
- Medical group
- 1
- Insurance carriers
- 13
- Practice address
- 1211 Medical Center Drive, Nashville, TN 37232
- Practice phone
- Call (615) 322-3454
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nicholson'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. Maribeth Ruth Nicholson is a pediatric gastroenterology physician in Nashville, Tennessee
Dr. Nicholson practices at Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center.
Dr. Nicholson's NPI, 1144497363, was assigned on May 15, 2008. Dr. Nicholson graduated from Penn State College of Medicine in 2008. Dr. Nicholson's Tennessee license number on file is MD0000047729.
NPI and contact details
- NPI
- 1144497363NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345468682
- NPI enumeration date
- May 15, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 322-3454
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maribeth Ruth Nicholson practices at Vanderbilt University Medical Center in Nashville, Tennessee
Dr. Nicholson's primary practice is Vanderbilt University Medical Center, at 1211 Medical Center Drive, Nashville, TN 37232 in Davidson County. The practice phone is (615) 322-3454.
- Vanderbilt University Medical Center1211 Medical Center Drive, Nashville, TN 37232 · Davidson CountyPhone(615) 322-3454
Source: Dmand AI Affiliation Data
Dr. Maribeth Ruth Nicholson is affiliated with 2 sites of care and 1 medical group
Dr. Nicholson's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Dr. Nicholson to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maribeth Ruth Nicholson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nicholson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vanderbilt University Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Nicholson practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Vanderbilt University Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Maribeth Ruth Nicholson is one of 42 pediatric gastroenterology physicians in Tennessee
Pediatric gastroenterology is Dr. Nicholson's primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Nicholson is board certified in pediatric gastroenterology by the American Board of Pediatrics. Dmand AI has Dr. Nicholson's licenses on file in 2 states: Tennessee and Alabama.
Specialties and state licenses
- Pediatric gastroenterology, TennesseePrimary
- Alabama license
Pediatric gastroenterology physicians near Dr. Nicholson
Counts of pediatric gastroenterology physicians with a Dmand AI profile, by place and practice. Each opens the list.
42pediatric gastroenterology physicians in Tennessee16pediatric gastroenterology physicians in Nashville14pediatric gastroenterology physicians at Vanderbilt University Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Maribeth Ruth Nicholson's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Nicholson's median patient age at 13, with 59% women.
Dr. Nicholson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
How Dr. Maribeth Ruth Nicholson takes part in Medicare
Dr. Nicholson 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)
Dr. Maribeth Ruth Nicholson has 49 publications on record
Dmand AI links 49 papers to Dr. Nicholson, published from 2013 to 2025. 2023 was the busiest year, with 8. The most frequent topics are Clostridioides difficile, Clostridium Infections and Fecal Microbiota Transplantation. Dr. Nicholson has published most often in J Pediatr Gastroenterol Nutr. Dr. Nicholson's most frequent co-authors are Kathryn Edwards, MD, Stacy A. Kahn, MD and Richard Kellermayer, MD.
Papers49
Years published2013 to 2025
Dr. Nicholson's papers by year, 2015 to 2025
Topics Dr. Nicholson writes about most
- Clostridioides difficile
- Clostridium Infections
- Fecal Microbiota Transplantation
- Anti-Bacterial Agents
- Feces
- Clostridioides
- Gastrointestinal Microbiome
- Inflammatory Bowel Diseases
Dr. Nicholson's most frequent co-authors
- Kathryn Edwards, MD14 shared papers
- Stacy A. Kahn, MD10 shared papers
- Richard Kellermayer, MD7 shared papers
Recent publications by Dr. Nicholson
Bacterial ProteinsClostridioides difficileClostridium Infections
J Pediatr Gastroenterol Nutr
Asymptomatic InfectionsClostridioides difficileClostridium Infections
J Histochem Cytochem
Cadherin Related ProteinsCadherinsIntestinal Mucosa
See who Dr. Nicholson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nicholson works with, so you can find a warm path to the right pediatric gastroenterology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Maribeth Ruth Nicholson received $88 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Nicholson from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $88.
Companies that paid Dr. Nicholson the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maribeth Ruth Nicholson graduated from Penn State College of Medicine
Dr. Nicholson graduated from Penn State College of Medicine in 2008.
- Medical school
- Board certified in pediatric gastroenterology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Maribeth Ruth Nicholson accepts plans from 13 insurance carriers
Dr. Nicholson is in network with 13 carriers, including United Healthcare, Aetna and Elevance. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Aetna
- Elevance
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross Blue Shield of Michigan
- AR State Medicaid
- +5 more carriersWith a free account
Plan types Dr. Nicholson accepts, by number of carriers
- HMO7
- PPO7
- EPO4
- POS3
- Medicaid2
- Medicare2
Source: Dmand AI Insurance Network Data
Sources for Dr. Maribeth Ruth Nicholson'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 |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Maribeth Ruth Nicholson
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. Maribeth Ruth Nicholson's NPI number?
Dr. Maribeth Ruth Nicholson's NPI number is 1144497363. It was assigned on May 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Maribeth Ruth Nicholson?
Dr. Maribeth Ruth Nicholson is a pediatric gastroenterology physician in Nashville, Tennessee. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).
Where does Dr. Maribeth Ruth Nicholson practice?
Dr. Nicholson practices at 1211 Medical Center Drive, Nashville, TN 37232. Dr. Nicholson's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. Dmand AI also links Dr. Nicholson to 1 group practice or clinic.
What is Dr. Maribeth Ruth Nicholson's office phone number?
The practice phone on file for Dr. Nicholson is (615) 322-3454.
What is Dr. Maribeth Ruth Nicholson's medical license number?
Dr. Nicholson's Tennessee license number on file is MD0000047729, one of the licenses on file in 2 states.
Which states has Dr. Maribeth Ruth Nicholson been licensed in?
Dmand AI has state licenses on file for Dr. Nicholson in Tennessee (2011 to 2025) and Alabama (2020).
Which hospitals is Dr. Maribeth Ruth Nicholson affiliated with?
Dr. Nicholson practices at Vanderbilt University Medical Center in Nashville, Tennessee.
What medical group is Dr. Maribeth Ruth Nicholson part of?
Dr. Nicholson is linked to Vanderbilt University Medical Center.
Does Dr. Maribeth Ruth Nicholson accept Medicare?
Yes. CMS lists Dr. Nicholson as accepting Medicare assignment.
Is Dr. Maribeth Ruth Nicholson board certified?
Yes. Dr. Nicholson is board certified in pediatric gastroenterology by the American Board of Pediatrics.
Show 6 more questionsShow fewer questions
Where did Dr. Maribeth Ruth Nicholson go to medical school?
Dr. Nicholson graduated from Penn State College of Medicine in 2008.
Has Dr. Maribeth Ruth Nicholson received payments from drug or device companies?
CMS Open Payments shows $88 in general payments to Dr. Nicholson from 1 company from 2024 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Maribeth Ruth Nicholson been practicing?
Dr. Nicholson graduated from medical school in 2008, 18 years ago.
Does Dr. Maribeth Ruth Nicholson do research?
Dmand AI links 49 publications to Dr. Nicholson, published from 2013 to 2025.
Who does Dr. Maribeth Ruth Nicholson publish with?
Dr. Nicholson's most frequent co-authors are Kathryn Edwards, MD (14 shared papers), Stacy A. Kahn, MD (10 shared papers) and Richard Kellermayer, MD (7 shared papers).
What insurance does Dr. Maribeth Ruth Nicholson accept?
Dr. Nicholson is in network with 13 carriers, including United Healthcare, Aetna and Elevance. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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