Nathaniel Julien, MD
Psychiatry Physician · Louisville, KY
Nathaniel Julien, MD is a psychiatry physician with a practice address in Louisville, Kentucky, and NPI 1992340350, issued on Nov 8, 2019. Check the license (Kentucky R5758, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Julien
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- R5758 KY
Self-reported in NPPES; status is on the state search - Practice location
- 401 E Chestnut St Unit 610, Louisville, KY 40202
- Phone
- (502) 588-4450
- Enumerated
- Nov 8, 2019
- Record last updated
- Jul 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20250904004322); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 503 in Kentucky → Look up another NPI →
Also registered at 401 E Chestnut St Unit 610
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Saba Afshar, MBBSPsychiatry Physician1740785070
- Johnathan BilbroPsychiatry Physician1144724147
- Eugenia BrikkerPsychiatry Physician1235573536
- Brian Casey, M.D.Psychiatry Physician1023428729
- Stuart Cripe, LCSWClinical Social Worker1164075909
- Justin Doub, LCSWClinical Social Worker1215070065
Verify Nathaniel Julien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license R5758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatry physician in 2024
43 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $271.27
2 payments; by number, the most common kind was food and beverage; the largest payer was LivaNova USA, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Department OF State HospitalsNapa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Julien among 503 psychiatry physician records in Kentucky
Nathaniel Julien, MD is one of 503 psychiatry physician records with a practice address in Kentucky. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 88% of them.
- NPI issued2019 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2021 · median 2003 among the 226 with a school on file
- Record last updated2023 · 63% 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 Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Kentucky
There are 503 psychiatry physician records in Kentucky.
All 503 in Kentucky → Every provider in Louisville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Rifaat Elmallakh, M.D.Louisville, KY 402021174595300
- Theodore Feldmann, M.D.Louisville, KY 402021912979154
- Barbara Fitzgerald, M.D.Louisville, KY 402021336111574
- Robert FriersonLouisville, KY 402021225000235
- Pauline Humphrey, M.D.Louisville, KY 402021699747873
- Paul Kensicki, MDLouisville, KY 402021851362040
- Clifford Kuhn, M.D.Louisville, KY 402021811969009
- Steven Lippmann, M.D.Louisville, KY 402021013989151
Common questions
What is Nathaniel Julien, MD's NPI number?
Nathaniel Julien, MD's National Provider Identifier (NPI) is 1992340350, issued on Nov 8, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Julien, MD located?
The NPPES record lists a practice address at 401 E Chestnut St Unit 610, Louisville, KY, 40202. Phone: (502) 588-4450. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Julien, MD's license?
NPPES lists Kentucky license number R5758, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathaniel Julien, MD prescribe under Medicare Part D?
In 2024, Nathaniel Julien, MD had 43 Medicare Part D claims; 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.