Doctor profile · Federal record

Dr. Allison Dillon, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Obstetrics & Gynecology Physician · Tualatin, OR

  • NPI 1144781857
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
19875 Sw 65Th Ave Ste 100
Tualatin, OR 970628353
(503) 692-7785
Additional location
4755 Ogletown Stanton RD Ste 5A43
Newark, DE 197182200
(302) 623-0188
fax (302) 733-5640
Mailing address
4755 Ogletown Stanton RD Ste 5A43
Newark, DE 197182200

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
November 11, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Oregon #MD219678 · Delaware #C1-0026059

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144781857. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
181
Distinct HCPCS
6
Medicare allowed
$16,555
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 97 52 $78
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 13 $49
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 16 14 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $172
99239 Hospital discharge day management, more than 30 minutes 14 14 $113
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $129

In context: peer comparison

Among 5 peers in this city , average services per provider: 35. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
0
Total drug cost
$630
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 22 0 $374
Metformin Hcl Generic 16 0 $201
Lisinopril Generic 11 0 $54

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Dillon's medical specialty?
Dr. Allison Dillon practices Family Medicine Physician in Tualatin, OR.
Where does Dr. Allison Dillon practice?
Dr. Allison Dillon practices at 19875 Sw 65Th Ave Ste 100, Tualatin, OR 970628353. Office phone: 5036927785.
What is Dr. Allison Dillon's NPI?
Dr. Allison Dillon's National Provider Identifier (NPI) is 1144781857, issued by NPPES.
Does Dr. Allison Dillon accept Medicare assignment?
Yes. Dr. Allison Dillon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Dillon commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.