Jonathan S. Sagum, MD
Endocrinology, Diabetes & Metabolism Physician · Louisville, KY
Jonathan S. Sagum, MD is an endocrinology, diabetes & metabolism physician with a practice address in Louisville, Kentucky, and NPI 1629236658, issued on May 27, 2008. Check the license (Kentucky 40830, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Jonathan S. Sagum
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 40830 KY
Self-reported in NPPES; status is on the state search - Practice location
- 2355 Poplar Level RD, Louisville, KY 40217
- Phone
- (502) 636-0406
- Enumerated
- May 27, 2008
- Record last updated
- Dec 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (502) 636-5137
- Medicare enrollment
- Enrolled (PECOS I20250129001553); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 107 in Kentucky → Look up another NPI →
Also registered at 2355 Poplar Level RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Aufox, MDFamily Medicine Physician1790740991
- Emily Beckman, APRNNurse Practitioner1942665161
- Lori Caloia, MDFamily Medicine Physician1730177064
- David Catlett, MDFamily Medicine Physician1245295310
- Stephen Cavanah, MDEndocrinology, Diabetes & Metabolism Physician1427045723
- Kerry Curtiss, ARNPNurse Practitioner1922198365
Verify Jonathan S. Sagum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 40830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
4,061 Medicare Part D claims for 637 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Levothyroxine Sodium567 claims
- Trulicity186 claims
- Ozempic183 claims
- Synthroid161 claims
- Rosuvastatin Calcium152 claims
- Metformin Hcl140 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: $131.10
3 payments; by number, the most common kind was education; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 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 one group practice
- Community Medical Associates IncSellersburg, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan S. Sagum among 107 endocrinology, diabetes & metabolism physician records in Kentucky
Jonathan S. Sagum, MD is one of 107 endocrinology, diabetes & metabolism physician records with a practice address in Kentucky. 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 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1998 · median 2004 among the 79 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Kentucky
There are 107 endocrinology, diabetes & metabolism physician records in Kentucky.
All 107 in Kentucky → Every provider in Louisville → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Christopher Alcorn, DOLouisville, KY 402171104385145
- Stephen Cavanah, MDLouisville, KY 402171427045723
- Swapna Deo, MDLouisville, KY 402171821053489
- Kailash Sabharwal, MDLouisville, KY 402171538114418
- Carol ToumaLouisville, KY 402171659597466
- Ayoub Mogassbi, M.D.Louisville, KY 402201528295656
- Mahrokh Nokhbehzaeim, MDLouisville, KY 402201083110779
- Harold Bays, MDLouisville, KY 402131316953920
Common questions
What is Jonathan S. Sagum, MD's NPI number?
Jonathan S. Sagum, MD's National Provider Identifier (NPI) is 1629236658, issued on May 27, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan S. Sagum, MD located?
The NPPES record lists a practice address at 2355 Poplar Level RD, Louisville, KY, 40217. Phone: (502) 636-0406. Providers update this record themselves, so call before visiting.
How can I verify Jonathan S. Sagum, MD's license?
NPPES lists Kentucky license number 40830, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan S. Sagum, MD prescribe under Medicare Part D?
In 2024, Jonathan S. Sagum, MD had 4,061 Medicare Part D claims for 637 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Jonathan S. Sagum, MD'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.