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DR. GREGORY CHARLES ALLEN MD
NPI 1669433538
Anesthesiology in Olympia, WA

Active since March 31, 2006PECOS Enrolled
3435 MARTIN WAY E STE G, OLYMPIA, WA 98506(360) 438-6400(360) 438-6435 Get Directions Write a Review

NPPES record last updated: August 30, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 30, 2019, Jul 16, 2019 (2 updates tracked since 2019).

About Dr. Gregory Charles Allen Md NPPES

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

DR. GREGORY CHARLES ALLEN MD (NPI 1669433538) is an individual anesthesiology provider in Olympia, Washington, licensed in Washington (MD00037436) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Olympia.

NPPES Registry Identity

NPI1669433538
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. GREGORY CHARLES ALLENCredential: MD
Location Address3435 MARTIN WAY E STE GOlympia, WA 98506-5071
Mailing AddressPo Box 94625Seattle, WA 98124-6925
Phone(360) 438-6400
Fax(360) 438-6435
Sole ProprietorNo
Enumeration DateMarch 31, 2006
Last NPPES UpdateAugust 30, 20192 updates tracked since enumeration
✔ NPI 1669433538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WA · MD00037436
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.
3435 MARTIN WAY E STE G, Olympia, WA 98506
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Secondary Practice Location 1

Location 13624 Ensign Rd NE, Ste. BOlympia, WA 98506-5074 · Phone (360) 493-6400

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Charles Allen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Other Providers at the Same Location NPPES 2

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

DALE STEVEN DISALVO MD
Anesthesiology
3435 MARTIN WAY E STE G
OLYMPIA, WA 98506
Thurston County (360) 438-6400
CASEY STEVICK MD
Anesthesiology
3435 MARTIN WAY E STE G
OLYMPIA, WA 98506
Thurston County (360) 438-6400

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 Gregory Allen's NPI number?

The NPI number for Gregory Allen is 1669433538. It was assigned to this individual provider in the NPPES registry on March 31, 2006.

Where is Gregory Allen located?

Gregory Allen practices at 3435 Martin Way E Ste G, Olympia, WA 98506. The listed phone number is (360) 438-6400.

What is Gregory Allen's specialty?

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

Is Gregory Allen enrolled in Medicare?

Yes. Gregory Allen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Allen was last updated on August 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.