Zachary Pierson, DO
Psychiatry Physician · Johnson City, TN
Zachary Pierson, DO is a psychiatry physician with a practice address in Johnson City, Tennessee, and NPI 1134709199, issued on Apr 13, 2021. Check the license (Tennessee 6299, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Zachary Pierson
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 6299 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2 Professional Park Dr Ste 21, Johnson City, TN 37604
- Phone
- (423) 379-8120
- Enumerated
- Apr 13, 2021
- Record last updated
- Sep 26, 2025
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 731 in Tennessee → Look up another NPI →
Also registered at 2 Professional Park Dr Ste 21
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachary Ames, MDStudent in an Organized Health Care Education/Training Program1841727815
- Noah Anderson, MDStudent in an Organized Health Care Education/Training Program1659076040
- Michelle Arwood, MSWClinical Social Worker1124142880
- Martha Bird, M.D.Child & Adolescent Psychiatry Physician1417138512
- Richard Brewer, APRNPsychiatric/Mental Health Nurse Practitioner1588323042
- Grace Brumfield, DOStudent in an Organized Health Care Education/Training Program1285579391
Verify Zachary Pierson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 6299Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
15 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Zachary Pierson among 731 psychiatry physician records in Tennessee
Zachary Pierson, DO 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 2021, is newer than 94% of them.
- NPI issued2021 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2025 · 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).
45 psychiatry physician records list a practice address in Johnson City
They are 45 of the 3,807 NPPES records with a practice address in Johnson City, and 731 psychiatry physician records in Tennessee.
All 731 in Tennessee → Every provider in Johnson City → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Fernando Bendfeldt, M.D.Johnson City, TN 376041205830536
- Brian Bonfardin, MDJohnson City, TN 376041356322515
- Shambhavi Chandraiah, M.D.Johnson City, TN 376041760439392
- William Diebold, MDJohnson City, TN 376041770573511
- John Fenley, MDJohnson City, TN 376041568537751
- Charles Gaines, DOJohnson City, TN 376041649236753
- Donald Henson, M.D.Johnson City, TN 376041245265925
- Rodney Houghton, MDJohnson City, TN 376041215993332
Common questions
What is Zachary Pierson, DO's NPI number?
Zachary Pierson, DO's National Provider Identifier (NPI) is 1134709199, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Pierson, DO located?
The NPPES record lists a practice address at 2 Professional Park Dr Ste 21, Johnson City, TN, 37604. Phone: (423) 379-8120. Providers update this record themselves, so call before visiting.
How can I verify Zachary Pierson, DO's license?
NPPES lists Tennessee license number 6299, 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 Zachary Pierson, DO prescribe under Medicare Part D?
In 2024, Zachary Pierson, DO had 15 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.