1. Home
  2. Directory
  3. Washington
  4. Puyallup
  5. Internal Medicine
  6. NPI Profile

DR. MARGARET ANNE MULLIN M.D.
NPI 1851534192
Internal Medicine - Hospice and Palliative Medicine in Puyallup, WA

Active since April 16, 2009PECOS Enrolled
401 15TH AVE SE, PUYALLUP, WA 98372(253) 403-4532 Get Directions Write a Review

NPPES record last updated: November 3, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 3, 2022, Dec 3, 2015 (2 updates tracked since 2015).

About Dr. Margaret Anne Mullin M.d. NPPES

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

DR. MARGARET ANNE MULLIN M.D. (NPI 1851534192) is an individual hospice and palliative medicine provider in Puyallup, Washington, licensed in Washington (MD60240449) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS and maintains a secondary practice location in Everett.

NPPES Registry Identity

NPI1851534192
Entity TypeIndividualFemale
Primary Taxonomy207RH0002X
Provider Legal NameDR. MARGARET ANNE MULLINCredential: M.D.
Location Address401 15TH AVE SEPuyallup, WA 98372-3715
Mailing AddressPo Box 5299, Ms: 1313-5-pcoTacoma, WA 98415-0299 · (253) 459-8009
Phone(253) 403-4532
Sole ProprietorNo
Enumeration DateApril 16, 2009
Last NPPES UpdateNovember 3, 20222 updates tracked since enumeration
NPPES CertifiedNovember 3, 2022
✔ NPI 1851534192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License✔ Licensed in WA · MD60240449
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Also ListedFamily MedicineTaxonomy 207Q00000X · License MD60240449 (WA)
401 15TH AVE SE, Puyallup, WA 98372
Open in Google Maps ↗

Secondary Practice Location 1

Location 11321 Colby Ave, Medical Staff OfficeEverett, WA 98201-1665 · Phone (425) 261-2000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Margaret Anne Mullin M.d. 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Margaret Mullin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multicare Health System
0.3 mi
Pediatrics
1706 S MERIDIAN STE 120
Puyallup, WA 98371
  • Reassigned Medicare billing, Washington enrollment
  • 4,383 clinicians in this Medicare group
NPI 1700396652 (253) 848-8797
Providence Health & Services Washington
27 mi
Clinic/Center
420 GOLF CLUB RD SE, SUITE 203
Lacey, WA 98503
  • Reassigned Medicare billing, Washington enrollment
  • 184 clinicians in this Medicare group
NPI 1063611408 (360) 493-7469
Providence Health & Services Washington
46 mi
General Acute Care Hospital
914 S SCHEUBER RD
Centralia, WA 98531
  • Reassigned Medicare billing, Washington enrollment
  • 85 clinicians in this Medicare group
NPI 1275732661 (360) 736-2803

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

PHUONG MY CHAU PH.D.
Clinical Neuropsychologist
401 15TH AVE SE
PUYALLUP, WA 98372
Pierce County (253) 697-2700
GORDON BALDWIN PHARMD
Pharmacist (Oncology)
401 15TH AVE SE
PUYALLUP, WA 98372
Pierce County (253) 697-1885
MORGAN JO TAN MD
Psychiatry & Neurology (Neurology)
401 15TH AVE SE
PUYALLUP, WA 98372
Pierce County (253) 697-4000
CATHRYN ELIZABETH SHAFFER MSOT
Occupational Therapist
401 15TH AVE SE
PUYALLUP, WA 98372
Pierce County (253) 697-1086
DR. JANET JAYSHREE SINGH M.D.
Internal Medicine
401 15TH AVE SE
PUYALLUP, WA 98372
Pierce County (253) 697-7655
MICHAEL LEWIS TOWNSEND PT
Physical Therapist
401 15TH AVE SE
PUYALLUP, WA 98372
Pierce County (253) 697-2065
RACHEL SINGER PHARMD
Pharmacist
401 15TH AVE SE
PUYALLUP, WA 98372
Pierce County (253) 697-4000
DENNIS PHRASAVATH PA-C
Physician Assistant
401 15TH AVE SE
PUYALLUP, WA 98372
Pierce County (253) 697-4000

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 Margaret Mullin's NPI number?

The NPI number for Margaret Mullin is 1851534192. It was assigned to this individual provider in the NPPES registry on April 16, 2009.

Where is Margaret Mullin located?

Margaret Mullin practices at 401 15th Ave SE, Puyallup, WA 98372. The listed phone number is (253) 403-4532.

What is Margaret Mullin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Margaret Mullin enrolled in Medicare?

Yes. Margaret Mullin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Margaret Mullin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Mullin reassigns Medicare benefits to 3 organizations: Multicare Health System (Puyallup, WA), Providence Health & Services Washington (Lacey, WA) and Providence Health & Services Washington (Centralia, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Mullin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Mullin accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Margaret Mullin 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 Margaret Mullin was last updated on November 3, 2022. 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.