Lonny Evan Horowitz, M.D.
Endocrinology, Diabetes & Metabolism Physician · Woodstock, GA
Lonny Evan Horowitz, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Woodstock, Georgia, and NPI 1568475515, issued on Aug 14, 2006. Check the license (Georgia 25696, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lonny Evan Horowitz
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 25696 GA
Self-reported in NPPES; status is on the state search - Practice location
- 7914 Highway 92, Woodstock, GA 30189
- Phone
- (770) 393-3438
- Enumerated
- Aug 14, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (770) 926-0059
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 245 in Georgia → Look up another NPI →
Also registered at 7914 Highway 92
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria GaudioPhysical Therapist1851574966
- Larry Mabine, MDPain Medicine Physician1003846049
Verify Lonny Evan Horowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 25696Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
78 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Potassium Chloride12 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.
Lonny Evan Horowitz among 245 endocrinology, diabetes & metabolism physician records in Georgia
Lonny Evan Horowitz, M.D. is one of 245 endocrinology, diabetes & metabolism physician records with a practice address in Georgia. 92% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 56% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 80% of these records are
- Record last updated2025 · 61% 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 Georgia 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 Georgia
There are 245 endocrinology, diabetes & metabolism physician records in Georgia.
All 245 in Georgia → Every provider in Woodstock → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Maryann Mugo, MDTaylorsville, GA 301781235173485
- Dawn Smiley-Byrd, MDTaylorsville, GA 301781134238827
- Ann Ward, M.D.Taylorsville, GA 301781932121282
- Ahed Mansoura, MDRome, GA 301651952463895
- Annie Morrissey, M.D.Fayetteville, GA 302141558527127
- Kelly Wood, MDFayetteville, GA 302141710043492
- Yusha Zakai, MDGriffin, GA 302241063806446
- Jason Berner, M.D.Jasper, GA 301431144201781
Common questions
What is Lonny Evan Horowitz, M.D.'s NPI number?
Lonny Evan Horowitz, M.D.'s National Provider Identifier (NPI) is 1568475515, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lonny Evan Horowitz, M.D. located?
The NPPES record lists a practice address at 7914 Highway 92, Woodstock, GA, 30189. Phone: (770) 393-3438. Providers update this record themselves, so call before visiting.
How can I verify Lonny Evan Horowitz, M.D.'s license?
NPPES lists Georgia license number 25696, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lonny Evan Horowitz, M.D. prescribe under Medicare Part D?
In 2024, Lonny Evan Horowitz, M.D. had 78 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.