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MR. MICHAEL DWYER GRENNAN
NPI 1669829933
Physician Assistant in Gig Harbor, WA

Active since May 17, 2016
4779 POINT FOSDICK DR STE 500, GIG HARBOR, WA 98335(253) 530-8460(253) 530-8465 Get Directions Write a Review

NPPES record last updated: February 1, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 1, 2023, Nov 2, 2017, May 17, 2016 (3 updates tracked since 2016).

About Mr. Michael Dwyer Grennan NPPES

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

MR. MICHAEL DWYER GRENNAN (NPI 1669829933) is an individual physician assistant in Gig Harbor, Washington, licensed in Washington (PA60805134) and active in the NPI registry since May 2016.

NPPES Registry Identity

NPI1669829933
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. MICHAEL DWYER GRENNAN
Location Address4779 POINT FOSDICK DR STE 500Gig Harbor, WA 98335-2318
Mailing AddressPo Box 5299, Ms: 820-5-pcoTacoma, WA 98415-0299 · (253) 459-8009
Phone(253) 530-8460
Fax(253) 530-8465
Sole ProprietorNo
Enumeration DateMay 17, 2016
Last NPPES UpdateFebruary 1, 20233 updates tracked since enumeration
NPPES CertifiedFebruary 1, 2023
✔ NPI 1669829933 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 · PA60805134
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.
4779 POINT FOSDICK DR STE 500, Gig Harbor, WA 98335
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans.Insurance ›

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
187 services186 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
91 services91 patients
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b 87636
This test detects the presence of SARS-CoV-2 (COVID-19) and Influenza types A and B in your body. It uses a method called the multiplex amplified probe technique to amplify and identify specific virus genes. It helps in early diagnosis and appropriate treatment.
45 services45 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
28 services28 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
26 services26 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
21 services21 patients

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 Michael Grennan's NPI number?

The NPI number for Michael Grennan is 1669829933. It was assigned to this individual provider in the NPPES registry on May 17, 2016.

Where is Michael Grennan located?

Michael Grennan practices at 4779 Point Fosdick Dr Ste 500, Gig Harbor, WA 98335. The listed phone number is (253) 530-8460.

What is Michael Grennan's specialty?

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

What insurance does Michael Grennan accept?

Health plans from PacificSource Health Plans list Michael Grennan 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.

When was this NPI record last updated?

The NPPES record for Michael Grennan was last updated on February 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.