Tyler Nicholas O'Brien, MD
Psychiatry Physician · Delaware, OH
Tyler Nicholas O'Brien, MD is a psychiatry physician with a practice address in Delaware, Ohio, and NPI 1801357843, issued on Mar 30, 2019. Check the license (Ohio 35.148074, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Tyler Nicholas O'Brien
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 35.148074 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1 W Winter St Ste 200, Delaware, OH 43015
- Phone
- (833) 351-8255
- Enumerated
- Mar 30, 2019
- Record last updated
- May 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20230710003826); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,587 in Ohio → Look up another NPI →
Also registered at 1 W Winter St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lynnea Carder, MDPsychiatry Physician1639214455
- Rachel Cash, M.D.Psychiatry Physician1245564095
- Jennifer CenkerPsychiatry Physician1700464229
- Thomas Crane, MDPsychiatry Physician1750841318
- Sean Culver, MDPsychiatry Physician1396324372
- Christina Delos Reyes, MDPsychiatry Physician1376563726
Verify Tyler Nicholas O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.148074Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average psychiatry physician in 2024
273 Medicare Part D claims for 23 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Bupropion Xl28 claims
- Trazodone Hcl23 claims
- Duloxetine Hcl22 claims
- Dextroamphetamine-Amphetamine21 claims
- Alprazolam19 claims
- Clonazepam16 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.
Bills Medicare through one group practice
- Mccd FL Psychiatry Services PAPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tyler Nicholas O'Brien among 1,587 psychiatry physician records in Ohio
Tyler Nicholas O'Brien, MD is one of 1,587 psychiatry physician records with a practice address in Ohio. 70% 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 · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2019 · median 2003 among the 775 with a school on file
- Record last updated2025 · 61% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 psychiatry physician records list a practice address in Delaware
They are 16 of the 919 NPPES records with a practice address in Delaware, and 1,587 psychiatry physician records in Ohio.
All 1,587 in Ohio → Every provider in Delaware → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Lynnea Carder, MDDelaware, OH 430151639214455
- Rachel Cash, M.D.Delaware, OH 430151245564095
- Thomas Crane, MDDelaware, OH 430151750841318
- Christina Delos Reyes, MDDelaware, OH 430151376563726
- Alexandra Held, MDDelaware, OH 430151912584590
- Amy Mattern, D.O.Delaware, OH 430151275927139
- Bethany McCann, DODelaware, OH 430151457811895
- Kishan Peddanna, MDDelaware, OH 430151467081372
Common questions
What is Tyler Nicholas O'Brien, MD's NPI number?
Tyler Nicholas O'Brien, MD's National Provider Identifier (NPI) is 1801357843, issued on Mar 30, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Tyler Nicholas O'Brien, MD located?
The NPPES record lists a practice address at 1 W Winter St Ste 200, Delaware, OH, 43015. Phone: (833) 351-8255. Providers update this record themselves, so call before visiting.
How can I verify Tyler Nicholas O'Brien, MD's license?
NPPES lists Ohio license number 35.148074, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tyler Nicholas O'Brien, MD prescribe under Medicare Part D?
In 2024, Tyler Nicholas O'Brien, MD had 273 Medicare Part D claims for 23 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.