MS. DIANE CECILE SEIM PA-C
NPI 1346493616
Physician Assistant in Seattle, WA

Active since October 29, 2008PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
1959 NE PACIFIC STREET, SEATTLE, WA 98195(206) 543-5972 Get Directions Write a Review

NPPES record last updated: October 11, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Diane Cecile Seim Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. DIANE CECILE SEIM PA-C (NPI 1346493616) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA60053094) and active in the NPI registry since October 2008. She is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1346493616
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. DIANE CECILE SEIMCredential: PA-C
Location Address1959 NE PACIFIC STREETSeattle, WA 98195
Mailing Address1200 N 48th StSeattle, WA 98103-6660 · (206) 265-2999 · Fax (206) 598-3581
Sole ProprietorYes
Medical School CMSOtherGraduated 2008
Enumeration DateOctober 29, 2008
Last NPPES UpdateOctober 11, 2012
NPI 1346493616 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in WA · PA60053094
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1959 NE PACIFIC STREET, Seattle, WA 98195

Other Names 1

Former Name (1)Diane Cecile Seim

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Diane Cecile Seim Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931263043
PECOS Enrollment IDI20090203000706
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Fluoroscopic guidance for insertion or removal of central vein access device 77001
Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.
78 services76 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
73 services72 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
73 services72 patients
Insertion of tunneled central venous tube for infusion (5 years or older) 36558
The insertion of a tunneled central venous tube is a procedure where a thin, flexible tube is placed into a large vein, usually in the neck or chest. This tube allows healthcare providers to give medications, fluids, or nutrients directly into your bloodstream over a longer period.
38 services36 patients
Insertion of central venous tube with port (5 years or older) 36561
A central venous tube with port is a small, flexible tube inserted into a large vein, usually in the chest. It allows for easy administration of medication, fluids, or blood products over a long period. A port is attached under the skin for easy access. It's safe for individuals aged 5 and above.
28 services28 patients
Removal of tunneled central venous tube 36589
A tunneled central venous tube removal is a procedure to take out a long, thin tube that was previously placed in a large vein in your body. This tube helps deliver medication or nutrition. The removal is usually quick and done under local anesthesia.
22 services20 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98195 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Registered Nurse
1959 NE PACIFIC STREET
SEATTLE, WA 98195
Dentist
1959 NE PACIFIC STREET, BOX 357134
SEATTLE, WA 98195
Psychologist (Rehabilitation)
1959 NE PACIFIC STREET, BOX 354944
SEATTLE, WA 98195
Internal Medicine (Rheumatology)
1959 NE PACIFIC STREET
SEATTLE, WA 98195
Student in an Organized Health Care Education/Training Program
1959 NE PACIFIC STREET
SEATTLE, WA 98195
Internal Medicine (Pulmonary Disease)
1959 NE PACIFIC STREET
SEATTLE, WA 98195
Ophthalmology
1959 NE PACIFIC STREET
SEATTLE, WA 98195
Radiology (Diagnostic Radiology)
1959 NE PACIFIC STREET, NW011; MAILING ADDRESS: BOX 357233
SEATTLE, WA 98195

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diane Seim's NPI number?

The NPI number for Diane Seim is 1346493616. It was assigned to this individual provider in the NPPES registry on October 29, 2008. The provider is also known as Diane Cecile Seim.

Where is Diane Seim located?

Diane Seim practices at 1959 NE Pacific Street, Seattle, WA 98195. The listed phone number is (206) 543-5972.

What is Diane Seim's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Diane Seim enrolled in Medicare?

Yes. Diane Seim is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Diane Seim accept?

Health plans from PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska list Diane Seim as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Diane Seim affiliated with any hospitals?

According to CMS data, Diane Seim is affiliated with University Of Washington Medical Ctr.

When was this NPI record last updated?

The NPPES record for Diane Seim was last updated on October 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.