Provider Profile
Thomas R. Stassen, PA-C
Unclaimed ProfileAbout Thomas Stassen
Thomas R. Stassen, PA-C is a physician assistant practicing in Portland, OR. According to Medicare claims data, Thomas cared for 71 Medicare patients across 71 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (888) 227-3312
- Email not available
Practice Locations
5308 N LOMBARD ST
Portland, OR 97203
Procedures Most Often Billed to Medicare
71 services · 71 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
22 | |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
21 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
16 | |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Portland 8
Same specialty, same city.
More connections — 15 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Other 7
Providers who graduated from the same medical school in the same year.
Common questions
What is Thomas R. Stassen's specialty?
Thomas R. Stassen is a physician assistant in Portland, OR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Thomas R. Stassen?
Thomas R. Stassen is listed at 5308 N Lombard St, Portland, OR 97203. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Thomas R. Stassen?
The number on file is (888) 227-3312. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Thomas R. Stassen's NPI number?
Thomas R. Stassen's National Provider Identifier is 1356694350. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Thomas R. Stassen's education?
Thomas R. Stassen attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Thomas R. Stassen been practicing?
Thomas R. Stassen has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Thomas R. Stassen known for?
According to Medicare billing data, Thomas R. Stassen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Thomas R. Stassen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Thomas R. Stassen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.