ALYSSA L MCGREGOR MD
NPI 1255865945
Anesthesiology in Seattle, WA

Active since April 19, 2017PECOS EnrolledAccepts Medicare Assignment
1959 NE PACIFIC ST, SEATTLE, WA 98195(206) 520-5000 Get Directions Write a Review

NPPES record last updated: May 3, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 3, 2021, Apr 19, 2017 (2 updates tracked since 2017).

About Alyssa L Mcgregor Md NPPES

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

ALYSSA L MCGREGOR MD (NPI 1255865945) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (MD61162810) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Evergreenhealth Medical Center, and is a graduate of University Of Arizona College Of Medicine (2017).

NPPES Registry Identity

NPI1255865945
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameALYSSA L MCGREGORCredential: MD
Location Address1959 NE PACIFIC STSeattle, WA 98195-6540
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2017
Enumeration DateApril 19, 2017
Last NPPES UpdateMay 3, 20212 updates tracked since enumeration
NPPES CertifiedMay 3, 2021
NPI 1255865945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in WA · MD61162810
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1959 NE PACIFIC ST, Seattle, WA 98195

Other Identifiers 1

Medicaid1255865945WA

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 L Mcgregor Md 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 ID4688944069
PECOS Enrollment IDI20210511003203
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.

Hospital Affiliations CMS Care Compare

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

Evergreenhealth Medical Center

Acute Care Hospitals · Kirkland, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500124
Location12040 NE 128th StreetKirkland, WA 98034 · King County
Emergency services Birthing friendly

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 Mcgregor's NPI number?

The NPI number for Alyssa Mcgregor is 1255865945. It was assigned to this individual provider in the NPPES registry on April 19, 2017.

Where is Alyssa Mcgregor located?

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

What is Alyssa Mcgregor's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alyssa Mcgregor enrolled in Medicare?

Yes. Alyssa Mcgregor 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 Mcgregor accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Alyssa Mcgregor 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 Mcgregor affiliated with any hospitals?

According to CMS data, Alyssa Mcgregor is affiliated with Evergreenhealth Medical Center.

When was this NPI record last updated?

The NPPES record for Alyssa Mcgregor was last updated on May 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.