Andrew P. Seaman, MD
Addiction Medicine (Internal Medicine) Physician · Hillsboro, OR
Andrew P. Seaman, MD is an addiction medicine (internal medicine) physician with a practice address in Hillsboro, Oregon, and NPI 1801022959, issued on Jun 3, 2009. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Andrew P. Seaman
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Internal Medicine) Physician 207RA0401X
- License numbers
- 042.0015508 VT
289813 MA
MD26314 ME
21905 NH
Self-reported in NPPES; status is on the state search - Practice location
- 18610 NW Cornell RD, Hillsboro, OR 97124
- Phone
- (503) 216-9360
- Enumerated
- Jun 3, 2009
- Record last updated
- Mar 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20230213000870); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest addiction medicine (internal medicine) physician records → All 15 in Oregon → Look up another NPI →
Also registered at 18610 NW Cornell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Cade, MDFamily Medicine Physician1205835048
- Frank Digregorio, MDPediatrics Physician1982640611
- Eric Foote, PA-CPhysician Assistant1245481761
- Christina Fyfe, FNPFamily Nurse Practitioner1912002775
Verify Andrew P. Seaman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average addiction medicine (internal medicine) physician in 2024
111 Medicare Part D claims for 52 beneficiaries, against an average of 829 among the 401 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone47 claims
- Clonidine Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,704.45
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 188 providers of this specialty with any payment received $1,761.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Belonging Medical Group PLLCWestborough, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew P. Seaman among 15 addiction medicine (internal medicine) physician records in Oregon
Andrew P. Seaman, MD is one of 15 addiction medicine (internal medicine) physician records with a practice address in Oregon. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 47% of them.
- NPI issued2009 · 47% of these records are older, 47% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Record last updated2024 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0401X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Internal Medicine) Physician providers in Oregon
There are 15 addiction medicine (internal medicine) physician records in Oregon.
All 15 in Oregon → Every provider in Hillsboro → Addiction Medicine (Internal Medicine) Physician nationwide →
The 8 addiction medicine (internal medicine) physician records with the nearest ZIP codes
- Cydney Heims, MDSeaside, OR 971381619383403
- Sounak Misra, MDPortland, OR 972171831144872
- Sudheer Earanky, DOPortland, OR 972271184071896
- Sarah Leitz, M.DPortland, OR 972271306013776
- Katharine Marshall, MDPortland, OR 972271891143327
- Ellen Mooney, DOPortland, OR 972271528417169
- Vern Williams, MDPortland, OR 972271619967577
- Linda Peng, M.D.Portland, OR 972391164953725
Common questions
What is Andrew P. Seaman, MD's NPI number?
Andrew P. Seaman, MD's National Provider Identifier (NPI) is 1801022959, issued on Jun 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Andrew P. Seaman, MD located?
The NPPES record lists a practice address at 18610 NW Cornell RD, Hillsboro, OR, 97124. Phone: (503) 216-9360. Providers update this record themselves, so call before visiting.
How can I verify Andrew P. Seaman, MD's license?
Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew P. Seaman, MD prescribe under Medicare Part D?
In 2024, Andrew P. Seaman, MD had 111 Medicare Part D claims for 52 beneficiaries; the average among addiction medicine (internal medicine) physician prescribers was 829. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.