MARYCATHERINE FARWELL (MD) – Emergency Medicine Physician, NPI 1891372918

MARYCATHERINE FARWELL (MD) is a healthcare provider. based in Ellensburg, Washington. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. MD61521425 (WA). The NPI Number for MARYCATHERINE FARWELL (MD) is 1891372918

Main info

Female
5 Years Of Experience
Accepts Medicare Assignment
Name
MARYCATHERINE FARWELL (MD)
NPI
1891372918
Phone
(509) 933-8693
Address
603 S CHESTNUT ST
Enumeration Date
25 March 2021
Last Update Date
13 August 2024

Doctor Profile

Medical School Name
NEW YORK MEDICAL COLLEGE
Secondary Phone
5095758000
Graduation Year
2021 (5 years ago)
PAC ID
6901340058
Group Practice PAC ID
1557391596
Professional Enrollment ID
I20240628003589
Address ID
WA989023761YA2811XDRXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience39
Completeness75
Years active:5State licenses:1Digital endpointsOther names

843 EMERGENCY MEDICINE in CT

Provider Addresses for MARYCATHERINE FARWELL (MD)

  • 603 S CHESTNUT ST

    ELLENSBURG, WA 989263875

    Phone: (509) 933-8693

    Type: Mailing

  • 263 FARMINGTON AVE # LG065

    FARMINGTON, CT 060300001

    Phone: (860) 679-4988

    Type: Location

  • 263 FARMINGTON AVE

    FARMINGTON, CT 060301921

    Phone: (860) 679-2147

    Fax: (860) 679-4624

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-06-28

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20240628003589IEmergency MedicineWATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 98926)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1557391596View full group profile
NameSpecialtyState
Emergency MedicineWA
Internal MedicineNJ
Certified Registered Nurse Anesthetist (Crna)WA
Certified Registered Nurse Anesthetist (Crna)WA
-WA
Internal MedicineWA
Emergency MedicineWA
-WA
Family PracticeWA
H E M A T O L O G Y/ O N C O L O G YWI

Reviews

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Frequently asked questions

How do payers reference MARYCATHERINE FARWELL (MD)?
For MARYCATHERINE FARWELL (MD), use NPI 1891372918 as the unique 10-digit identifier.
Is MARYCATHERINE FARWELL (MD) shown as active in public data?
Registry records indicate MARYCATHERINE FARWELL (MD) maintains an active NPI.
How would a patient describe MARYCATHERINE FARWELL (MD)'s focus?
For MARYCATHERINE FARWELL (MD), the primary taxonomy reads as Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
Where in Washington is MARYCATHERINE FARWELL (MD) registered?
Use Ellensburg, Washington as the headline location for MARYCATHERINE FARWELL (MD) here.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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