Doctor profile · Federal record

Dr. Kellie Littlefield, D.O.

Internal Medicine Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · Portland, OR

  • NPI 1477896736
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-8311

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
February 4, 2016
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oregon #DO175643

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477896736. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
201
Distinct HCPCS
5
Medicare allowed
$20,140
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 84 27 $121
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 45 18 $50
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 45 24 $81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $177
99239 Hospital discharge day management, more than 30 minutes 12 12 $117

In context: peer comparison

Among 209 peers in Portland Internal Medicine Physician, average services per provider: 60. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
48
Patients
0
Total drug cost
$10,464
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 18 0 $10,205
Spironolactone Generic 16 0 $156
Lisinopril Generic 14 0 $102

Frequently asked questions

Auto-generated from federal data
What is Dr. Kellie Littlefield's medical specialty?
Dr. Kellie Littlefield practices Internal Medicine Physician in Portland, OR.
Where does Dr. Kellie Littlefield practice?
Dr. Kellie Littlefield practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034948311.
What is Dr. Kellie Littlefield's NPI?
Dr. Kellie Littlefield's National Provider Identifier (NPI) is 1477896736, issued by NPPES.
Does Dr. Kellie Littlefield accept Medicare assignment?
Yes. Dr. Kellie Littlefield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kellie Littlefield commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.