Dr. Olivia Katherine Gruder, MD
- Medicare services, 2024
- 235
- Medicare patients, 2024
- 160
- Part D claims, 2024
- 505
- Hospital affiliations
- 2
- Industry payments
- $5,976
- 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. Gruder'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. Olivia Katherine Gruder is a neurologist in Nashville, Tennessee
Dr. Gruder practices at Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center.
Dr. Gruder's NPI, 1710484167, was assigned on April 11, 2018. Dr. Gruder holds Tennessee license 67400.
- NPI
- 1710484167NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355696279
- NPI enumeration date
- April 11, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (615) 322-3454
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Olivia Katherine Gruder practices at Vanderbilt University Medical Center in Nashville, Tennessee
Dr. Gruder'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. Olivia Katherine Gruder is affiliated with 4 sites of care and 2 medical groups
Dr. Gruder's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. Dr. Gruder is also affiliated with Vanderbilt Wilson County Hospital. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Dr. Gruder to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Olivia Katherine Gruder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gruder practices, 4 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 |
| +3 more sites and 1 medical group | 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 Vanderbilt University Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Olivia Katherine Gruder is one of 350 neurologists in Tennessee
Neurology is Dr. Gruder's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Gruder's licenses on file in 2 states: Tennessee and Connecticut.
Specialties and state licenses
- Neurology, TennesseePrimary
- Connecticut license
Neurologists near Dr. Gruder
Counts of neurologists 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. Olivia Katherine Gruder billed Medicare for 235 services in 2024
CMS data shows 235 Medicare services from Dr. Gruder across 7 procedure codes in 2024, for 160 Medicare patients. Medicare paid $19,817 for them.
Dr. Gruder's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 732024: 224207%
- Other services
- 2023: 02024: 11
Where Dr. Gruder's Medicare services took place, 2024
- In an office17574%
- In a facility6026%
Dr. Gruder compared with the Tennessee median for neurologists, 2024
- Dr. Gruder
- Tennessee median
- Medicare services
- 235vs 39841% below
- Medicare patients
- 160vs 23532% below
- Part D claims
- 333vs 63848% below
Medians across 344 neurologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Gruder's most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Olivia Katherine Gruder treated 160 Medicare patients in 2024, average age 70
CMS counts 160 Medicare patients who saw Dr. Gruder in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.01, 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. Gruder's median patient age at 57, with 66% women.
Dr. Gruder's Medicare patients by age, 2024
Dr. Gruder's Medicare patients by sex, 2024
- Women8654%
- Men7446%
Chronic conditions among Dr. Gruder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis53%
- Mood disorders51%
- Depression48%
- Anxiety41%
- Chronic kidney disease34%
- Ischemic heart disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gruder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Olivia Katherine Gruder wrote 505 Medicare Part D claims in 2024
In 2024, Dr. Gruder wrote 505 Medicare Part D claims for 95 patients. 84% of them were for generic drugs. CMS names the drug for 333 of them, across 16 drugs with 11 or more claims each, at $46,521 in total drug cost. In 2023, CMS named 496 claims across 16 drugs.
Dr. Gruder's Part D claims by kind of drug, 2024
- Generic422 claims84%
- Brand-name83 claims16%
Dr. Gruder's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4962024: 33333%
Drugs named by CMS: 16 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Olivia Katherine Gruder offers telehealth to Medicare patients
Dr. Gruder accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gruder as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Olivia Katherine Gruder received $5,976 in industry payments from 2022 to 2024
CMS Open Payments shows 10 general payments to Dr. Gruder from 3 drug and device companies from 2022 to 2024. Consulting fees make up the largest share, 78% of the total. TG Therapeutics, Inc. paid the most, $5,731.
General payments to Dr. Gruder by program year, 2022 to 2024
General payments to Dr. Gruder by kind, 2022 to 2024
- Consulting fees$4,65578%
- Travel and lodging$92616%
- Food and beverage$3185%
- Education$761%
Companies that paid Dr. Gruder the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Olivia Katherine Gruder'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 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 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)Medicare Part D Prescribers - by Provider (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) |
| 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. Olivia Katherine Gruder
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. Olivia Katherine Gruder's NPI number?
Dr. Olivia Katherine Gruder's NPI number is 1710484167. It was assigned on April 11, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Olivia Katherine Gruder?
Dr. Olivia Katherine Gruder is a neurologist in Nashville, Tennessee. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Olivia Katherine Gruder practice?
Dr. Gruder practices at 1211 Medical Center Drive, Nashville, TN 37232. Dr. Gruder's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. Dmand AI also links Dr. Gruder to 2 group practices and clinics and 1 medical group.
What is Dr. Olivia Katherine Gruder's office phone number?
The practice phone on file for Dr. Gruder is (615) 322-3454.
What is Dr. Olivia Katherine Gruder's medical license number?
Dr. Gruder holds Tennessee license 67400, one of the licenses on file in 2 states.
Which states has Dr. Olivia Katherine Gruder been licensed in?
Dmand AI has state licenses on file for Dr. Gruder in Tennessee and Connecticut.
Which hospitals is Dr. Olivia Katherine Gruder affiliated with?
Dr. Gruder practices at Vanderbilt University Medical Center in Nashville, Tennessee. Dr. Gruder is also affiliated with Vanderbilt Wilson County Hospital.
What medical group is Dr. Olivia Katherine Gruder part of?
Dr. Gruder is linked to Vanderbilt University Medical Center. Dmand AI links Dr. Gruder to 1 more medical group.
Does Dr. Olivia Katherine Gruder accept Medicare?
Yes. CMS data shows Dr. Gruder billed Medicare for 235 services in 2024, and Dr. Gruder accepts Medicare assignment.
Does Dr. Olivia Katherine Gruder offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gruder as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Olivia Katherine Gruder see?
CMS counts 160 Medicare patients who saw Dr. Gruder in 2024, with an average age of 70.
What services does Dr. Olivia Katherine Gruder bill to Medicare?
In 2024, Dr. Gruder's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and hospital inpatient care (99232).
What drugs does Dr. Olivia Katherine Gruder prescribe most?
In 2024 Medicare Part D data, Dr. Gruder's most prescribed drugs by claims were Gabapentin, Baclofen and Carbidopa-Levodopa.
Has Dr. Olivia Katherine Gruder received payments from drug or device companies?
CMS Open Payments shows $5,976 in general payments to Dr. Gruder from 3 companies from 2022 to 2024. The largest total came from TG Therapeutics, Inc.
How long has Dr. Olivia Katherine Gruder been practicing?
Dr. Gruder graduated from medical school in 2018, 8 years ago.
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