Doctor profile · Federal record

Dr. Robert Sonntag, MD

Geriatric Medicine (Internal Medicine) Physician · Minneapolis, MN

  • NPI 1699741397
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4730 Chicago Ave
Minneapolis, MN 554073570
(952) 883-6805
fax (952) 853-8864
Mailing address
8170 33Rd Ave S, MS 21110Q
Bloomington, MN 554254516

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 6, 2021
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Minnesota #24595

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699741397. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
114
Distinct HCPCS
2
Medicare allowed
$13,017
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99 49 $105
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 15 15 $178

In context: peer comparison

Among 4 peers in this city , average services per provider: 42. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
70
Patients
0
Total drug cost
$9,560
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 15 0 $392
Lactulose Generic 14 0 $224
Warfarin Sodium Generic 14 0 $73
Xarelto (Rivaroxaban) Brand 14 0 $8,765
Gabapentin Generic 13 0 $106

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Sonntag's medical specialty?
Dr. Robert Sonntag practices Geriatric Medicine (Internal Medicine) Physician in Minneapolis, MN.
Where does Dr. Robert Sonntag practice?
Dr. Robert Sonntag practices at 4730 Chicago Ave, Minneapolis, MN 554073570. Office phone: 9528836805.
What is Dr. Robert Sonntag's NPI?
Dr. Robert Sonntag's National Provider Identifier (NPI) is 1699741397, issued by NPPES.
What procedures does Dr. Robert Sonntag commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.