Marcia Dee Toppenberg, MD
Family Medicine Physician · Greeneville, TN
Marcia Dee Toppenberg, MD is a family medicine physician with a practice address in Greeneville, Tennessee, and NPI 1558372557, issued on Aug 11, 2006. Check the license (Tennessee 30266, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marcia Dee Toppenberg
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 30266 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1410 Tusculum Blvd, Greeneville, TN 37745
- Phone
- (423) 787-7000
- Enumerated
- Aug 11, 2006
- Record last updated
- Mar 23, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070906000856); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 1410 Tusculum Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Abernathy, D.O.Otolaryngology Physician1780632141
- Lloyd Barnes, MDSpecialist1275508673
- Barbara Bradford, APNNurse Practitioner1962487637
- Thomas Carrino, P.A.Medical Physician Assistant1871541250
- Lawrence Dewitte, P.A.Medical Physician Assistant1497931810
- Robert Flohr, M.D.Surgery Physician1699761635
Verify Marcia Dee Toppenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 30266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average family medicine physician in 2024
1,604 Medicare Part D claims for 149 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 103 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium84 claims
- Amlodipine Besylate76 claims
- Levothyroxine Sodium64 claims
- Potassium Chloride62 claims
- Losartan Potassium58 claims
- Omeprazole58 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.
Bills Medicare through one group practice
- Family Physicians OF GreenevilleGreeneville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcia Dee Toppenberg among 2,674 family medicine physician records in Tennessee
Marcia Dee Toppenberg, MD is one of 2,674 family medicine physician records with a practice address in Tennessee. 81% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1994 · median 2004 among the 1,685 with a school on file
- Record last updated2009 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 family medicine physician records list a practice address in Greeneville
They are 36 of the 773 NPPES records with a practice address in Greeneville, and 2,674 family medicine physician records in Tennessee.
All 2,674 in Tennessee → Every provider in Greeneville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rufus Breckenridge, M.D.Greeneville, TN 377451962578005
- Robert Diez Daux, MDGreeneville, TN 377451790713808
- Michael Hartsell, MDGreeneville, TN 377451902842537
- Drew McFarland, M.D.Greeneville, TN 377451699718650
- Charles Montgomery, M.D.Greeneville, TN 377451952477077
- Robert Mosca, DOGreeneville, TN 377451508832718
- Kenneth Nickle, DOGreeneville, TN 377451790849081
- Jaime Oakley, MDGreeneville, TN 377451013966886
Common questions
What is Marcia Dee Toppenberg, MD's NPI number?
Marcia Dee Toppenberg, MD's National Provider Identifier (NPI) is 1558372557, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marcia Dee Toppenberg, MD located?
The NPPES record lists a practice address at 1410 Tusculum Blvd, Greeneville, TN, 37745. Phone: (423) 787-7000. Providers update this record themselves, so call before visiting.
How can I verify Marcia Dee Toppenberg, MD's license?
NPPES lists Tennessee license number 30266, 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 Marcia Dee Toppenberg, MD prescribe under Medicare Part D?
In 2024, Marcia Dee Toppenberg, MD had 1,604 Medicare Part D claims for 149 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.