ALYSSA EHREN HOLBROOK PA-C
NPI 1518293471
Physician Assistant in Seattle, WA

Active since October 28, 2009PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
1959 NE PACIFIC ST, SEATTLE, WA 98195(206) 520-5000 Get Directions Write a Review

NPPES record last updated: May 10, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 10, 2022, Apr 19, 2017 (2 updates tracked since 2017).

About Alyssa Ehren Holbrook Pa-c NPPES

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

ALYSSA EHREN HOLBROOK PA-C (NPI 1518293471) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA60714490) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1518293471
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameALYSSA EHREN HOLBROOKCredential: PA-C
Location Address1959 NE PACIFIC STSeattle, WA 98195-0001
Mailing AddressPo Box 50095, University Of WashingtonSeattle, WA 98145 · (206) 543-6420
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateOctober 28, 2009
Last NPPES UpdateMay 10, 20222 updates tracked since enumeration
NPPES CertifiedMay 10, 2022
NPI 1518293471 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 · PA60714490
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 ST, Seattle, WA 98195

Other Names 1

Former Name (1)Alyssa Ehren Mathe Pa-c

Other Identifiers 1

Medicaid1518293471WA

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

Alyssa Ehren Holbrook 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 ID749404515
PECOS Enrollment IDI20170220001468
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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
23 services15 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
16 services12 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.

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1959 NE PACIFIC ST
SEATTLE, WA 98195
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1959 NE PACIFIC ST, 3RD FLOOR SW 350
SEATTLE, WA 98195
Occupational Therapist
1959 NE PACIFIC ST, MAILBOX 356490
SEATTLE, WA 98195
Ophthalmology
1959 NE PACIFIC ST, BOX 365485
SEATTLE, WA 98195
Anesthesiology
1959 NE PACIFIC ST
SEATTLE, WA 98195
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1959 NE PACIFIC ST, BOX 356015
SEATTLE, WA 98195
Pathology (Anatomic Pathology & Clinical Pathology)
1959 NE PACIFIC ST, BOX 356100
SEATTLE, WA 98195
Hospitalist
1959 NE PACIFIC ST
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 Alyssa Holbrook's NPI number?

The NPI number for Alyssa Holbrook is 1518293471. It was assigned to this individual provider in the NPPES registry on October 28, 2009. The provider is also known as Alyssa Ehren Mathe Pa-C.

Where is Alyssa Holbrook located?

Alyssa Holbrook practices at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (206) 520-5000.

What is Alyssa Holbrook's specialty?

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

Is Alyssa Holbrook enrolled in Medicare?

Yes. Alyssa Holbrook 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 Alyssa Holbrook accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Alyssa Holbrook 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 Alyssa Holbrook affiliated with any hospitals?

According to CMS data, Alyssa Holbrook is affiliated with University Of Washington Medical Ctr.

When was this NPI record last updated?

The NPPES record for Alyssa Holbrook was last updated on May 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.