Robert G. Sonntag, MD
Geriatric Medicine (Internal Medicine) Physician · Minneapolis, MN
Robert G. Sonntag, MD is a geriatric medicine (internal medicine) physician with a practice address in Minneapolis, Minnesota, and NPI 1699741397, issued on Feb 23, 2006. Check the license (Minnesota 24595, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Robert G. Sonntag
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 24595 MN
Self-reported in NPPES; status is on the state search - Practice location
- 4730 Chicago Ave, Minneapolis, MN 55407
- Phone
- (952) 883-6805
- Enumerated
- Feb 23, 2006
- Record last updated
- Oct 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (952) 853-8864
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 76 in Minnesota → Look up another NPI →
Also registered at 4730 Chicago Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Linda Amaikwu Rushing, NPNurse Practitioner1376514737
- Melody Angell, ANPNurse Practitioner1861466245
- Bethel Averbeck, MDInternal Medicine Physician1013987882
- Timothy Balder, MDFamily Medicine Physician1104801638
Verify Robert G. Sonntag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 24595Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
588 Medicare Part D claims for 61 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Eliquis39 claims
- Atorvastatin Calcium36 claims
- Amlodipine Besylate27 claims
- Myrbetriq26 claims
- Gabapentin24 claims
- Metoprolol Tartrate24 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.
Robert G. Sonntag among 76 geriatric medicine (internal medicine) physician records in Minnesota
Robert G. Sonntag, MD is one of 76 geriatric medicine (internal medicine) physician records with a practice address in Minnesota. 67% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Minnesota
There are 76 geriatric medicine (internal medicine) physician records in Minnesota.
All 76 in Minnesota → Every provider in Minneapolis → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Maria Hoenack-Cadavid, MDMinneapolis, MN 554071659326684
- Emily Escue, MDMinneapolis, MN 554041407295124
- Anne Murray, MD, MSCMinneapolis, MN 554041427099175
- Robert Helgren, MDMinneapolis, MN 554131336177971
- Robert Meiches, M.D.Minneapolis, MN 554131508273715
- John Mielke, M.D.Minneapolis, MN 554131679508006
- Jane Pederson, M.D.Minneapolis, MN 554131508147224
- Lea Buda, DOMinneapolis, MN 554151104489277
Common questions
What is Robert G. Sonntag, MD's NPI number?
Robert G. Sonntag, MD's National Provider Identifier (NPI) is 1699741397, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert G. Sonntag, MD located?
The NPPES record lists a practice address at 4730 Chicago Ave, Minneapolis, MN, 55407. Phone: (952) 883-6805. Providers update this record themselves, so call before visiting.
How can I verify Robert G. Sonntag, MD's license?
NPPES lists Minnesota license number 24595, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert G. Sonntag, MD prescribe under Medicare Part D?
In 2024, Robert G. Sonntag, MD had 588 Medicare Part D claims for 61 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.