Joni Glavan Sago, M.D.
Dermatology Physician · Johnson City, TN
Joni Glavan Sago, M.D. is a dermatology physician with a practice address in Johnson City, Tennessee, and NPI 1932187200, issued on Jan 5, 2006. Check the license (Tennessee MD0000037765, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Joni Glavan Sago
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MD0000037765 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1627 Old Gray Station RD Ste 30, Johnson City, TN 37615
- Phone
- (423) 528-8833
- Enumerated
- Jan 5, 2006
- Record last updated
- Mar 4, 2026
- Fax
- (423) 546-7499
- Medicare enrollment
- Enrolled (PECOS I20101101000207); may accept Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 226 in Tennessee → Look up another NPI →
Also registered at 1627 Old Gray Station RD Ste 30
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diana Ramirez, PA-CPhysician Assistant1215500087
Verify Joni Glavan Sago in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD0000037765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average dermatology physician in 2024
1,247 Medicare Part D claims for 397 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Minoxidil104 claims
- Clobetasol Propionate101 claims
- Fluorouracil78 claims
- Hydroxychloroquine Sulfate57 claims
- Dutasteride56 claims
- Triamcinolone Acetonide54 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $121,212.43
129 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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 2 group practices
- Dermatology Associates, P.C.Kingsport, TN
- Skinwise PLLCJohnson City, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joni Glavan Sago among 226 dermatology physician records in Tennessee
Joni Glavan Sago, M.D. is one of 226 dermatology physician records with a practice address in Tennessee. 85% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 57% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1997 · median 2009 among the 162 with a school on file
- Record last updated2026 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Tennessee
There are 226 dermatology physician records in Tennessee.
All 226 in Tennessee → Every provider in Johnson City → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Stuart Leicht, M.D.Johnson City, TN 376151013902907
- Lauren Tisdale, MDJohnson City, TN 376151285258913
- William Schermer, M.D.Bristol, TN 376201467430231
- Donald Clemons, M.D.Johnson City, TN 376041104829308
- Emily Dell, M.D.Johnson City, TN 376041538575709
- Timothy Gardner, M.D.Johnson City, TN 376041861482465
- Larry Hudson, MDJohnson City, TN 376041679564835
- James Risney, PAJohnson City, TN 376041639160815
Common questions
What is Joni Glavan Sago, M.D.'s NPI number?
Joni Glavan Sago, M.D.'s National Provider Identifier (NPI) is 1932187200, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joni Glavan Sago, M.D. located?
The NPPES record lists a practice address at 1627 Old Gray Station RD Ste 30, Johnson City, TN, 37615. Phone: (423) 528-8833. Providers update this record themselves, so call before visiting.
How can I verify Joni Glavan Sago, M.D.'s license?
NPPES lists Tennessee license number MD0000037765, 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 Joni Glavan Sago, M.D. prescribe under Medicare Part D?
In 2024, Joni Glavan Sago, M.D. had 1,247 Medicare Part D claims for 397 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Joni Glavan Sago, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.