Carlton Mark Vollberg, DO
Internal Medicine Physician · Chattanooga, TN
Carlton Mark Vollberg, DO is an internal medicine physician with a practice address in Chattanooga, Tennessee, and NPI 1730178450, issued on Oct 14, 2005. Check the license (Tennessee D01391, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Carlton Mark Vollberg
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D01391 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1608 Gunbarrel RD, Chattanooga, TN 37421
- Phone
- (423) 296-0382
- Enumerated
- Oct 14, 2005
- Record last updated
- Oct 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (423) 296-0383
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 1608 Gunbarrel RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carlton Mark Vollberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license D01391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,916 Medicare Part D claims for 96 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 15 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium148 claims
- Repatha Sureclick102 claims
- Levothyroxine Sodium81 claims
- Mounjaro73 claims
- Jardiance67 claims
- Losartan Potassium62 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: $15,849.74
30 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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.
Carlton Mark Vollberg among 2,596 internal medicine physician records in Tennessee
Carlton Mark Vollberg, DO 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2011 · 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).
192 internal medicine physician records list a practice address in Chattanooga
They are 192 of the 7,377 NPPES records with a practice address in Chattanooga, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Chattanooga → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rohini Alay, MDChattanooga, TN 374211528057288
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- David HeltonChattanooga, TN 374211235195868
- Tanja Holsey, MDChattanooga, TN 374211871567388
- Jonathan Kerley, DOChattanooga, TN 374211568442689
- Raphael Lanade, MDChattanooga, TN 374211427081884
- Mark McKenzie, MDChattanooga, TN 374211821064122
Common questions
What is Carlton Mark Vollberg, DO's NPI number?
Carlton Mark Vollberg, DO's National Provider Identifier (NPI) is 1730178450, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Carlton Mark Vollberg, DO located?
The NPPES record lists a practice address at 1608 Gunbarrel RD, Chattanooga, TN, 37421. Phone: (423) 296-0382. Providers update this record themselves, so call before visiting.
How can I verify Carlton Mark Vollberg, DO's license?
NPPES lists Tennessee license number D01391, 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 Carlton Mark Vollberg, DO prescribe under Medicare Part D?
In 2024, Carlton Mark Vollberg, DO had 1,916 Medicare Part D claims for 96 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.