Alexander A Lemmer, M.D.
Internal Medicine (CMS) · Atlanta, GA
At a glance
1968 Peachtree Rd Nw Bldg 77, 5Th Flr, Atlanta, GA 30309-1281
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Jul 24, 2020. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1968 Peachtree Rd Nw Bldg 77, 5Th FlrAtlanta, GA 30309-1281
Additional reported practice locations
420 E Superior StRubloff Building, 12Th Floor
Chicago, IL 606114494
Phone: 5403126116
Education & affiliations
- Medical / professional school
- University Of Virginia School Of Medicine
- Graduation year
- 2013
- CMS specialties
- Internal Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Coliseum Medical Centers, Llc, Dba Macon, GA
- Piedmont Augusta Hospital Augusta, GA
- Piedmont Fayette Hospital Fayetteville, GA
- Piedmont Hospital, Inc Atlanta, GA
- Piedmont Newnan Hospital, Inc Newnan, GA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 75 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Services other than consulting | $2,025.00 |
| Food and beverage | $1,733.53 |
Reporting companies
| Company | Amount |
|---|---|
| BOSTON SCIENTIFIC CORPORATION | $2,338.37 |
| MADRIGAL PHARMACEUTICALS | $344.00 |
| AMGEN INC. | $320.97 |
| GILEAD SCIENCES, INC. | $205.50 |
| ORGANOX LTD | $154.26 |
| ASTRAZENECA PHARMACEUTICALS LP | $116.80 |
| NOVO NORDISK INC | $88.68 |
| TRISALUS LIFE SCIENCES, INC. | $51.63 |
| Other reporting companies | $138.32 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine (CMS)
- Taxonomy code
- 207RT0003X
- Enumeration date
- Mar 21, 2013
- Record updated
- Jul 24, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 84644 GA
207R00000X
License reported: 036.139115 IL
207RG0100X
License reported: 84644 GA
207RI0008X
License reported: 84644 GA
207RT0003X · Primary
License reported: 84644 GA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1968 Peachtree Rd Nw Bldg 77, 5Th FlrAtlanta, GA 30309-1281
- Phone
- (404) 605-4600
Mailing address
201 E HURONGALTER 3-150
CHICAGO, IL 60611
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue