Lonnie Herzog, M.D.
Internal Medicine Physician · Atlanta, GA
Lonnie Herzog, M.D. is an internal medicine physician with a practice address in Atlanta, Georgia, and NPI 1154330249, issued on Aug 7, 2006. Check the license (Georgia 025174, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lonnie Herzog
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 025174 GA
Self-reported in NPPES; status is on the state search - Practice location
- 5670 Peachtree Dunwoody RD NE, Atlanta, GA 30342
- Phone
- (404) 255-9100
- Enumerated
- Aug 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (404) 257-7171
- Medicare enrollment
- Enrolled (PECOS I20051213000593); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Also registered at 5670 Peachtree Dunwoody RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Asad Bashey, M.D.Specialist1700853363
- Mary DavidsonPhysician Assistant1023930047
Verify Lonnie Herzog in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 025174Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,886 Medicare Part D claims for 828 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 41 claims were for opioids.
Most prescribed
- Atorvastatin Calcium801 claims
- Rosuvastatin Calcium772 claims
- Amlodipine Besylate491 claims
- Levothyroxine Sodium456 claims
- Losartan Potassium345 claims
- Lisinopril305 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.
The MIPS final score for 2023 (Medicare payment program): 65.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $788.30
37 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.
Bills Medicare through one group practice
- Northside Primary Care Professional Services,llcAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lonnie Herzog among 3,911 internal medicine physician records in Georgia
Lonnie Herzog, M.D. is one of 3,911 internal medicine physician records with a practice address in Georgia. 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 10% of them.
- NPI issued2006 · 10% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1982 · median 2005 among the 2,535 with a school on file
- Record last updated2007 · 51% 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 Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
870 internal medicine physician records list a practice address in Atlanta
They are 870 of the 31,476 NPPES records with a practice address in Atlanta, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Atlanta → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Allan Bleich, MDAtlanta, GA 303421952300691
- Jeffrey Clark, MDAtlanta, GA 303421316946957
- Bobb Cucher, MDAtlanta, GA 303421003803347
- Marie Garrity, MDAtlanta, GA 303421629066584
- Sandra Levy, MDAtlanta, GA 303421205893559
- Meenal Lothe, M.D.Atlanta, GA 303421770588196
- Robert Marcus, M.D.Atlanta, GA 303421588631923
- Frank Marxer, MDAtlanta, GA 303421144229592
Common questions
What is Lonnie Herzog, M.D.'s NPI number?
Lonnie Herzog, M.D.'s National Provider Identifier (NPI) is 1154330249, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lonnie Herzog, M.D. located?
The NPPES record lists a practice address at 5670 Peachtree Dunwoody RD NE, Atlanta, GA, 30342. Phone: (404) 255-9100. Providers update this record themselves, so call before visiting.
How can I verify Lonnie Herzog, M.D.'s license?
NPPES lists Georgia license number 025174, 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 Lonnie Herzog, M.D. prescribe under Medicare Part D?
In 2024, Lonnie Herzog, M.D. had 8,886 Medicare Part D claims for 828 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Lonnie Herzog, M.D.'s MIPS final score?
The 2023 MIPS final score is 65.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.