James Allen Joslyn, MD
Internal Medicine Physician · Johnson City, TN
James Allen Joslyn, MD is an internal medicine physician with a practice address in Johnson City, Tennessee, and NPI 1629633102, issued on May 9, 2019. Check the license (Tennessee 65034, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James Allen Joslyn
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 65034 TN
Self-reported in NPPES; status is on the state search - Practice location
- 301 Med Tech Pkwy Ste 240, Johnson City, TN 37604
- Phone
- (423) 794-5520
- Enumerated
- May 9, 2019
- Record last updated
- Feb 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20250818004471); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 301 Med Tech Pkwy Ste 240
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Allen Joslyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 65034Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% more Medicare Part D claims than the average internal medicine physician in 2024
5,725 Medicare Part D claims for 530 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Rosuvastatin Calcium391 claims
- Losartan Potassium347 claims
- Atorvastatin Calcium282 claims
- Amlodipine Besylate225 claims
- Levothyroxine Sodium215 claims
- Hydrochlorothiazide180 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: $146.26
8 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 3 group practices
- Hopscotch Primary Care PLLCWeaverville, NC
- Memorial Health Partners Foundation, IncChattanooga, TN
- State OF Franklin Healthcare Associates, PLLCJohnson City, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Allen Joslyn among 2,596 internal medicine physician records in Tennessee
James Allen Joslyn, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% 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 · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2003 among the 1,705 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
125 internal medicine physician records list a practice address in Johnson City
They are 125 of the 3,807 NPPES records with a practice address in Johnson City, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Johnson City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Brown, MDJohnson City, TN 376041326043167
- Matthew Cary, MDJohnson City, TN 376041306841440
- Keith Cook, MDJohnson City, TN 376041396740957
- Frank Forbush, MDJohnson City, TN 376041538164660
- Mary Gibson, MDJohnson City, TN 376041164427290
- Michael Grosserode, MDJohnson City, TN 376041710982848
- Christopher Hemphill, MDJohnson City, TN 376041053316232
- Randy Hoover, MDJohnson City, TN 376041255336434
Common questions
What is James Allen Joslyn, MD's NPI number?
James Allen Joslyn, MD's National Provider Identifier (NPI) is 1629633102, issued on May 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is James Allen Joslyn, MD located?
The NPPES record lists a practice address at 301 Med Tech Pkwy Ste 240, Johnson City, TN, 37604. Phone: (423) 794-5520. Providers update this record themselves, so call before visiting.
How can I verify James Allen Joslyn, MD's license?
NPPES lists Tennessee license number 65034, 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 James Allen Joslyn, MD prescribe under Medicare Part D?
In 2024, James Allen Joslyn, MD had 5,725 Medicare Part D claims for 530 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.