GREGORY WILLIAM MALLEK M.D.
NPI 1003012303
Obstetrics & Gynecology in Mount Vernon, WA

Q: What is Gregory Mallek's NPI number?

The NPI number for Gregory Mallek is 1003012303. It was assigned to this individual provider in the NPPES registry on June 23, 2007.

Q: What is Gregory Mallek's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Mallek was last updated on October 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.

Active since June 23, 2007PECOS EnrolledAccepts Medicare Assignment

1400 E KINCAID ST, MOUNT VERNON, WA 98274(360) 428-2575(360) 428-6471 Get Directions Write a Review

NPPES record last updated: October 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Gregory William Mallek M.d. NPPES

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

GREGORY WILLIAM MALLEK M.D. (NPI 1003012303) is an individual obstetrics & gynecology provider in Mount Vernon, Washington, licensed in Washington (MD60902474) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and maintains a secondary practice location in Renton.

NPPES Registry Identity

NPI1003012303

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameGREGORY WILLIAM MALLEKCredential: M.D.

Location Address1400 E KINCAID STMount Vernon, WA 98274-4127

Mailing Address1400 E Kincaid StMount Vernon, WA 98274-4127

Phone(360) 428-2575

Fax(360) 428-6471

Sole ProprietorNo

Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2006

Enumeration DateJune 23, 2007

Last NPPES UpdateOctober 31, 2025

NPPES CertifiedOctober 31, 2025

✔ NPI 1003012303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in WA · MD60902474

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedHospitalistTaxonomy 208M00000X · License MD60902474 (WA)

1400 E KINCAID ST, Mount Vernon, WA 98274

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Secondary Practice Location 1

Location 1400 S 43rd StRenton, WA 98055-5714 · Phone (425) 690-1000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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

Gregory William Mallek M.d. 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 ID6406972785

PECOS Enrollment IDI20190730002318

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.

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500003

Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98274 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

$130.99 typical visit price

range $57.27 – $172.80

Typical copayment $32.74 (range $14.31 – $43.20)

Most-billed visit code 99204

Established Patient

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

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.

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.

PUBLIC HOSPITAL DIST NO 1 SKAGIT

General Practice