Doctor profile · Federal record

Dr. Aaron Kramer, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Internal Medicine Physician · Portland, OR

  • NPI 1861843625
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-1164
fax (503) 494-5502
Additional location
1111 Crater Lake Ave
Medford, OR 975046241
(541) 732-5545
fax (541) 732-5548
Additional location
930 Sw Abbey St
Newport, OR 973654820
(541) 265-2244
Show 1 more location
Additional location
2925 Chicago Ave
Minneapolis, MN 554071321
(612) 863-4000

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
March 18, 2026
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Oregon #MD206491 · Minnesota #63163

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861843625. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
517
Distinct HCPCS
5
Medicare allowed
$56,739
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 179 112 $115
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 125 71 $77
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 93 91 $167
99239 Hospital discharge day management, more than 30 minutes 83 83 $111
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 37 21 $48

In context: peer comparison

Among 94 peers in Portland Hospitalist Physician, average services per provider: 68. This provider delivers 7.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
83
Patients
20
Total drug cost
$17,996
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 27 0 $17,497
Cefdinir Generic 20 20 $172
Pantoprazole Sodium Generic 20 0 $299
Prednisone Generic 16 0 $28

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Kramer's medical specialty?
Dr. Aaron Kramer practices Hospitalist Physician in Portland, OR.
Where does Dr. Aaron Kramer practice?
Dr. Aaron Kramer practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034941164.
What is Dr. Aaron Kramer's NPI?
Dr. Aaron Kramer's National Provider Identifier (NPI) is 1861843625, issued by NPPES.
Does Dr. Aaron Kramer accept Medicare assignment?
Yes. Dr. Aaron Kramer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Kramer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.