Sharon N. Chastain, MD
Psychiatry Physician · Maryville, TN
Sharon N. Chastain, MD is a psychiatry physician with a practice address in Maryville, Tennessee, and NPI 1033299102, issued on Oct 16, 2006. Check the license (Tennessee MD21777, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Sharon N. Chastain
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD21777 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1704 E Broadway Ave, Maryville, TN 37804
- Phone
- (865) 637-9711
- Enumerated
- Oct 16, 2006
- Record last updated
- Mar 1, 2024
- Medicaid ID
- Q022549 TN
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 731 in Tennessee → Look up another NPI →
Also registered at 1704 E Broadway Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Addison AlfordStudent in an Organized Health Care Education/Training Program1417615717
- Caroline Arceri, PMHNPPsychiatric/Mental Health Nurse Practitioner1598281040
- Rachelle Baker, MSWCounselor1689292567
- Samantha BeaudryCounselor1063372209
- Kathryn Becker, MSSWSocial Worker1477239085
- Katy Benson, LMSWSocial Worker1245159920
Verify Sharon N. Chastain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD21777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average psychiatry physician in 2024
1,524 Medicare Part D claims for 85 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Venlafaxine Hcl Er127 claims
- Quetiapine Fumarate92 claims
- Clonazepam81 claims
- Trazodone Hcl80 claims
- Clozapine70 claims
- Fluoxetine Hcl66 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.
Industry payments in 2024: $1,345.78
51 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, 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.
Sharon N. Chastain among 731 psychiatry physician records in Tennessee
Sharon N. Chastain, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2024 · 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 Maryville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sally Benton, MDMaryville, TN 378041902093479
- Melanie Fuertes-Hunt, M.D.Maryville, TN 378041336109933
- Veronica Gubatan, MDMaryville, TN 378041558369736
- Paul Miller, M.D.Maryville, TN 378041407820863
- Kelly Ownby, M.D.Maryville, TN 378041518154566
- William Wilson, MDMaryville, TN 378041295223873
- Jeffrey Greenwood, MDMaynardville, TN 378071801894001
- Nalini Samavedy, MDMaryville, TN 378011629121447
Common questions
What is Sharon N. Chastain, MD's NPI number?
Sharon N. Chastain, MD's National Provider Identifier (NPI) is 1033299102, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sharon N. Chastain, MD located?
The NPPES record lists a practice address at 1704 E Broadway Ave, Maryville, TN, 37804. Phone: (865) 637-9711. Providers update this record themselves, so call before visiting.
How can I verify Sharon N. Chastain, MD's license?
NPPES lists Tennessee license number MD21777, 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 Sharon N. Chastain, MD prescribe under Medicare Part D?
In 2024, Sharon N. Chastain, MD had 1,524 Medicare Part D claims for 85 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.