Holly Cassell Merdian, DO
Student in an Organized Health Care Education/Training Program · Johnson City, TN
Holly Cassell Merdian, DO is a student in an organized health care education/training program with a practice address in Johnson City, Tennessee, and NPI 1316707649, issued on Mar 21, 2024. Check the license with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Holly Cassell Merdian
- Credential
- DO
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 917 W Walnut St, Johnson City, TN 37604
- Phone
- (423) 439-6464
- Enumerated
- Mar 21, 2024
- Record last updated
- Jul 25, 2024
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 4,640 in Tennessee → Look up another NPI →
Also registered at 917 W Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dalila AguilarStudent in an Organized Health Care Education/Training Program1760914360
- Mohammad Bin Amir, MDStudent in an Organized Health Care Education/Training Program1417873837
- Max Bayard, MDFamily Medicine Physician1588653521
- Christopher BridgesFamily Medicine Physician1588050538
- Morgan Buda, MDFamily Medicine Physician1689161663
- Alayna Cameron, MDStudent in an Organized Health Care Education/Training Program1669211769
Verify Holly Cassell Merdian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
99 Medicare Part D claims for 32 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% 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.
Holly Cassell Merdian among 4,640 student in an organized health care education/training program records in Tennessee
Holly Cassell Merdian, DO is one of 4,640 student in an organized health care education/training program records with a practice address in Tennessee. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 39% of them.
- NPI issued2024 · 39% of these records are older, 42% newer
- In a Medicare fileYes · 26% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2024 · 15% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
327 student in an organized health care education/training program records list a practice address in Johnson City
They are 327 of the 3,807 NPPES records with a practice address in Johnson City, and 4,640 student in an organized health care education/training program records in Tennessee.
All 4,640 in Tennessee → Every provider in Johnson City → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Dalila AguilarJohnson City, TN 376041760914360
- Mohammed Al Tarawenh, MDJohnson City, TN 376041487940029
- Zachary Ames, MDJohnson City, TN 376041841727815
- Brian DarakyanJohnson City, TN 376041144414160
- Wendy DuncanJohnson City, TN 376041194065961
- Evan Edwards, D.O.Johnson City, TN 376041164803862
- Sathvika GaddamJohnson City, TN 376041407376684
- Hillary Haley, MDJohnson City, TN 376041366718652
Common questions
What is Holly Cassell Merdian, DO's NPI number?
Holly Cassell Merdian, DO's National Provider Identifier (NPI) is 1316707649, issued on Mar 21, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Holly Cassell Merdian, DO located?
The NPPES record lists a practice address at 917 W Walnut St, Johnson City, TN, 37604. Phone: (423) 439-6464. Providers update this record themselves, so call before visiting.
How can I verify Holly Cassell Merdian, DO's license?
Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Holly Cassell Merdian, DO prescribe under Medicare Part D?
In 2024, Holly Cassell Merdian, DO had 99 Medicare Part D claims for 32 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.