Donald Lynn Hamby, M.D.
Addiction Medicine (Preventive Medicine) Physician · Chattanooga, TN
Donald Lynn Hamby, M.D. is an addiction medicine (preventive medicine) physician with a practice address in Chattanooga, Tennessee, and NPI 1770589137, issued on Jun 21, 2005. Check the license (Tennessee MD0000012155, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Donald Lynn Hamby
- Credential
- M.D.
- Primary taxonomy
- Addiction Medicine (Preventive Medicine) Physician 2083A0300X
- License numbers
- MD0000012155 TN
12155 TN
Self-reported in NPPES; status is on the state search - Practice location
- 6141 Shallowford RD Ste 100, Chattanooga, TN 37421
- Phone
- (423) 498-2000
- Enumerated
- Jun 21, 2005
- Record last updated
- Jul 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (423) 498-2001
- Entity
- Type 1 · individual
8 nearest addiction medicine (preventive medicine) physician records → All 19 in Tennessee → Look up another NPI →
Also registered at 6141 Shallowford RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Otis Forrester, FNP-CFamily Nurse Practitioner1447362736
- Joshua Hare, D.O.Addiction Medicine (Preventive Medicine) Physician1811121924
- Sanjivini Jacob, M. D.Addiction Medicine (Preventive Medicine) Physician1629234521
- Amity Malloy, MSN, APN, NPPsychiatric/Mental Health Nurse Practitioner1720307978
- Naveen Mohyuddin, PA-CPhysician Assistant1780159699
Verify Donald Lynn Hamby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD0000012155Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average addiction medicine (preventive medicine) physician in 2024
20 Medicare Part D claims, against an average of 420 among the 224 providers of this specialty who prescribed in Part D.
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.
Donald Lynn Hamby among 19 addiction medicine (preventive medicine) physician records in Tennessee
Donald Lynn Hamby, M.D. is one of 19 addiction medicine (preventive medicine) physician records with a practice address in Tennessee. 100% 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, 89% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2021 · 16% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083A0300X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Preventive Medicine) Physician providers in Tennessee
There are 19 addiction medicine (preventive medicine) physician records in Tennessee.
All 19 in Tennessee → Every provider in Chattanooga → Addiction Medicine (Preventive Medicine) Physician nationwide →
The 8 addiction medicine (preventive medicine) physician records with the nearest ZIP codes
- Joshua Hare, D.O.Chattanooga, TN 374211811121924
- Sanjivini Jacob, M. D.Chattanooga, TN 374211629234521
- Alison Buttram, FNPHixson, TN 373431205151156
- Beth Schnars, MDCleveland, TN 373121497797104
- Sara Connaughton, MDAthens, TN 373031124361647
- Ankur Bhargava, MD, MPH, MSCBMIJohnson City, TN 376041982066700
- Kamran Hayel-Moghadam, M.D.Johnson City, TN 376041437344595
- Maria Zambrano, DOJohnson City, TN 376041235690538
Common questions
What is Donald Lynn Hamby, M.D.'s NPI number?
Donald Lynn Hamby, M.D.'s National Provider Identifier (NPI) is 1770589137, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Donald Lynn Hamby, M.D. located?
The NPPES record lists a practice address at 6141 Shallowford RD Ste 100, Chattanooga, TN, 37421. Phone: (423) 498-2000. Providers update this record themselves, so call before visiting.
How can I verify Donald Lynn Hamby, M.D.'s license?
NPPES lists Tennessee license number MD0000012155, 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 Donald Lynn Hamby, M.D. prescribe under Medicare Part D?
In 2024, Donald Lynn Hamby, M.D. had 20 Medicare Part D claims; the average among addiction medicine (preventive medicine) physician prescribers was 420. 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.