Deborah Majchel Koss, M.D.
Endocrinology, Diabetes & Metabolism Physician · Bradenton, FL
Deborah Majchel Koss, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Bradenton, Florida, and NPI 1659699072, issued on May 10, 2010. Check the license (Florida ME123174, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Deborah Majchel Koss
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- ME123174 FL
BP1-0037502 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11715 Rangeland Pkwy, Bradenton, FL 34211
- Phone
- (941) 538-0077
- Enumerated
- May 10, 2010
- Record last updated
- Oct 18, 2024
- Fax
- (941) 538-0078
- Medicare enrollment
- Enrolled (PECOS I20150902002778); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 656 in Florida → Look up another NPI →
Also registered at 11715 Rangeland Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Deborah Majchel Koss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME123174Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
3,980 Medicare Part D claims for 678 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Ozempic377 claims
- Levothyroxine Sodium338 claims
- Mounjaro314 claims
- Metformin Hcl Er291 claims
- Metformin Hcl179 claims
- Nano 2nd Gen Pen Needle165 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $365.54
9 payments; by number, the most common kind was food and beverage; the largest payer was Tandem Diabetes Care, Inc. 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
- Intercoastal Medical Group IncBradenton, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deborah Majchel Koss among 656 endocrinology, diabetes & metabolism physician records in Florida
Deborah Majchel Koss, M.D. is one of 656 endocrinology, diabetes & metabolism physician records with a practice address in Florida. 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 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2007 · median 2002 among the 462 with a school on file
- Record last updated2024 · 48% 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 Florida 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 Florida
There are 656 endocrinology, diabetes & metabolism physician records in Florida.
All 656 in Florida → Every provider in Bradenton → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Lillibet Placheril, MDBradenton, FL 342091235174079
- Byron Hoogwerf, MDBradenton, FL 342051386749489
- Philip Rasulo, MDBradenton, FL 342051427007699
- Alkmini Anastasiadou, MDSarasota, FL 342321619988060
- Wende Kozlow, M.D.Sarasota, FL 342321871513473
- Jesus Perez, MDSarasota, FL 342321639142961
- Susan Abend, M.D.Sarasota, FL 342341427003847
- Partha Banerjee, M.D.Sarasota, FL 342341386766442
Common questions
What is Deborah Majchel Koss, M.D.'s NPI number?
Deborah Majchel Koss, M.D.'s National Provider Identifier (NPI) is 1659699072, issued on May 10, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Deborah Majchel Koss, M.D. located?
The NPPES record lists a practice address at 11715 Rangeland Pkwy, Bradenton, FL, 34211. Phone: (941) 538-0077. Providers update this record themselves, so call before visiting.
How can I verify Deborah Majchel Koss, M.D.'s license?
NPPES lists Florida license number ME123174, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Deborah Majchel Koss, M.D. prescribe under Medicare Part D?
In 2024, Deborah Majchel Koss, M.D. had 3,980 Medicare Part D claims for 678 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Deborah Majchel Koss, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.