Doctor profile · Federal record

Dr. Andrew Seaman, MD

Addiction Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Addiction Medicine (Internal Medicine) Physician · Addiction Medicine (Internal Medicine) Physician · Addiction Medicine (Internal Medicine) Physician · Hillsboro, OR

  • NPI 1801022959
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18610 Nw Cornell RD, Ste 101
Hillsboro, OR 971249206
(503) 216-9360
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
March 6, 2024
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RA0401X — NUCC code
State licenses (4)
Vermont #042.0015508 · New Hampshire #21905 · Massachusetts #289813 · Maine #MD26314

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801022959. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
1
Medicare allowed
$2,167
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 22 15 $99

In context: peer comparison

Among 1 peers in Hillsboro Addiction Medicine (Internal Medicine) Physician, average services per provider: 22. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,704
Transactions
7
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 7 $1,704.45

By nature of payment

Travel and Lodging
$1,456
Food and Beverage
$249

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
254
Patients
118
Total drug cost
$19,775
Drug Type Claims Patients Total cost
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 170 101 $11,320
Buprenorphine Hcl Generic 27 0 $420
Suboxone (Buprenorphine Hcl/Naloxone Hcl) Brand 27 17 $7,426
Clonidine Hcl Generic 17 0 $138
Gabapentin Generic 13 0 $471

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Seaman's medical specialty?
Dr. Andrew Seaman practices Addiction Medicine (Internal Medicine) Physician in Hillsboro, OR.
Where does Dr. Andrew Seaman practice?
Dr. Andrew Seaman practices at 18610 Nw Cornell RD, Hillsboro, OR 971249206. Office phone: 5032169360.
What is Dr. Andrew Seaman's NPI?
Dr. Andrew Seaman's National Provider Identifier (NPI) is 1801022959, issued by NPPES.
Does Dr. Andrew Seaman accept Medicare assignment?
Yes. Dr. Andrew Seaman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Seaman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.