Gregory William Mallek, MD - Medicare Obstetrics & Gynecology in Mount Vernon, WA

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Gregory William Mallek, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Mount Vernon, Washington. His current practice location is 1400 E Kincaid St, Mount Vernon, Washington. You can reach out to his office (for appointments etc.) via phone at (360) 428-2575.

Gregory William Mallek is licensed to practice in Washington (license number MD60902474) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1003012303.

Contact Information

Gregory William Mallek, MD
1400 E Kincaid St,
Mount Vernon, WA 98274-4127
(360) 428-2575
(360) 428-6471

Map and Direction




Physician's Profile

Full NameGregory William Mallek
GenderMale
SpecialityObstetrics & Gynecology
Location1400 E Kincaid St, Mount Vernon, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1003012303
  • Provider Enumeration Date: 06/23/2007
  • Last Update Date: 02/25/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 6406972785
  • Enrollment ID: I20100923000912

Medical Identifiers

Medical identifiers for Gregory William Mallek such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003012303NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology MD60902474 (Washington)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gregory William Mallek allows following entities to bill medicare on his behalf.
Entity NameLegacy Clinics Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902827272
PECOS PAC ID: 0244144004
Enrollment ID: O20031117000089
Entity NameGood Shepherd Health Care System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295789667
PECOS PAC ID: 9133033764
Enrollment ID: O20031118000046
Entity NameTuality Healthcare
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275591984
PECOS PAC ID: 3678486107
Enrollment ID: O20040130000359
Entity NameNorthwest Women's Clinic, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043204225
PECOS PAC ID: 4183610447
Enrollment ID: O20040422000212
Entity NameTuality Medical Group Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073929782
PECOS PAC ID: 7416173414
Enrollment ID: O20140729000238
Entity NameObhg Oregon Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528585148
PECOS PAC ID: 2365776390
Enrollment ID: O20190626000182

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gregory William Mallek is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gregory William Mallek, MD
1400 E Kincaid St,
Mount Vernon, WA 98274-4127

Ph: () -		Gregory William Mallek, MD
1400 E Kincaid St,
Mount Vernon, WA 98274-4127

Ph: (360) 428-2575

Reviews and Comments


Obstetrics & Gynecology Doctors in Mount Vernon, WA

William N Hinderstein, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1400 E Kincaid St, Mount Vernon, WA 98274
Phone: 360-428-2500    Fax: 360-428-6485
Anna L Pilzek, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1400 E Kincaid St, Mount Vernon, WA 98274
Phone: 360-428-6471    
Christopher 0 Prompuntagorn, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1400 E Kincaid St, Mount Vernon, WA 98274
Phone: 360-428-2575    Fax: 360-428-6471
Dr. Trisha N. Halvorsen, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1400 E Kincaid St, Mount Vernon, WA 98274
Phone: 360-428-2575    Fax: 360-428-6471
Autumn Michelle Walker, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1400 E Kincaid St, Mount Vernon, WA 98274
Phone: 360-428-2575    Fax: 360-428-6471
Melissa S Chinn, DO
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 111 S 12th St, Mount Vernon, WA 98274
Phone: 360-678-0831    Fax: 360-678-0583

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.