Provider Profile
Diane C. Seim, PA-C
Unclaimed ProfileAbout Diane Seim
Diane C. Seim, PA-C is a physician assistant based in Seattle, WA. According to Medicare claims data, Diane cared for 316 Medicare patients across 324 services. The services billed most often include fluoroscopic guidance for insertion or removal of central vein access device, use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes, and ultrasonic guidance for blood vessel access.
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
- (206) 543-5972
- Email not available
Practice Locations
1959 NE PACIFIC STREET
Seattle, WA 98195
Procedures Most Often Billed to Medicare
324 services · 316 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of tunneled central venous tube for infusion (5 years or older) | Procedure | 36558 |
38 | More often than most peers in Physician Assistant |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
28 | More often than most peers in Physician Assistant |
| Removal of tunneled central venous tube | Procedure | 36589 |
22 | More often than most peers in Physician Assistant |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
12 | Less often than most peers in Physician Assistant |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
78 | More often than most peers in Physician Assistant |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
73 | More than most peers in Physician Assistant |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
73 | More often than most peers in Physician Assistant |
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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other physician assistants in Seattle 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of tunneled central venous tube for infusion (5 years or older) 8
Providers in WA who bill this service to Medicare most often.
Common questions
What does Diane C. Seim specialize in?
Diane C. Seim is a physician assistant in Seattle, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Diane C. Seim located?
Diane C. Seim is listed at 1959 Ne Pacific Street, Seattle, WA 98195. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Diane C. Seim's phone number?
The number on file is (206) 543-5972. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Diane C. Seim's NPI number?
Diane C. Seim's National Provider Identifier is 1346493616. 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
Where did Diane C. Seim train?
Diane C. Seim attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Diane C. Seim been practicing?
Diane C. Seim has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Diane C. Seim do most often?
According to Medicare billing data, Diane C. Seim performs procedures including insertion of tunneled central venous tube for infusion, insertion of central venous tube with port and removal of tunneled central venous tube; reads or performs imaging such as fluoroscopic guidance for insertion or removal of central vein access device and ultrasonic guidance for blood vessel access; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Diane C. Seim confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Diane C. Seim. 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.