Spencer Ilstrup, MD
Psychiatry Physician · Nashville, TN
Spencer Ilstrup, MD is a psychiatry physician with a practice address in Nashville, Tennessee, and NPI 1730829219, issued on Mar 31, 2022. Check the license (Tennessee 71417, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Spencer Ilstrup
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 71417 TN
Self-reported in NPPES; status is on the state search - Practice location
- Tristar Centennial Parthenon Pavilion 2401 Parman Place, Nashville, TN 37203
- Phone
- (615) 342-3965
- Enumerated
- Mar 31, 2022
- Record last updated
- Jun 3, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 731 in Tennessee → Look up another NPI →
Verify Spencer Ilstrup in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 71417Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average psychiatry physician in 2024
203 Medicare Part D claims for 35 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl19 claims
- Divalproex Sodium17 claims
- Venlafaxine Hcl Er17 claims
- Mirtazapine16 claims
- Olanzapine16 claims
- Bupropion Xl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Spencer Ilstrup among 731 psychiatry physician records in Tennessee
Spencer Ilstrup, MD is one of 731 psychiatry physician records with a practice address in Tennessee. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Tennessee
There are 731 psychiatry physician records in Tennessee.
All 731 in Tennessee → Every provider in Nashville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sarah Aylor, M.D.Nashville, TN 372031811091325
- Robert Chalfant, MDNashville, TN 372031457317778
- Anne Fottrell, M.D.Nashville, TN 372031740222538
- Robert Jamieson, M.D.Nashville, TN 372031184602757
- Robert Korman, M.D.Nashville, TN 372031821030727
- Alan Lynch, MDNashville, TN 372031265449490
- Stephen Mory, MDNashville, TN 372031821096538
- Bhupendra Rajpura, M.D.Nashville, TN 372031629056569
Common questions
What is Spencer Ilstrup, MD's NPI number?
Spencer Ilstrup, MD's National Provider Identifier (NPI) is 1730829219, issued on Mar 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Ilstrup, MD located?
The NPPES record lists a practice address at Tristar Centennial Parthenon Pavilion 2401 Parman Place, Nashville, TN, 37203. Phone: (615) 342-3965. Providers update this record themselves, so call before visiting.
How can I verify Spencer Ilstrup, MD's license?
NPPES lists Tennessee license number 71417, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Spencer Ilstrup, MD prescribe under Medicare Part D?
In 2024, Spencer Ilstrup, MD had 203 Medicare Part D claims for 35 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.