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DR. KATHERINE ELIZABETH FERGUSON MD
NPI 1891229829
Internal Medicine - Hospice and Palliative Medicine in Portland, ME

Active since April 17, 2017PECOS Enrolled
22 BRAMHALL ST, PORTLAND, ME 04102(207) 662-3500(207) 662-6006 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 15, 2026, Dec 9, 2020, Aug 1, 2020 and 1 more (4 updates tracked since 2017).

About Dr. Katherine Elizabeth Ferguson Md NPPES

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

DR. KATHERINE ELIZABETH FERGUSON MD (NPI 1891229829) is an individual hospice and palliative medicine provider in Portland, Maine, licensed in Maine (MD30676) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891229829
Entity TypeIndividualFemale
Primary Taxonomy207RH0002X
Provider Legal NameDR. KATHERINE ELIZABETH FERGUSONCredential: MD
Location Address22 BRAMHALL STPortland, ME 04102-3134
Mailing Address22 Bramhall StPortland, ME 04102-3134 · (207) 662-3500 · Fax (207) 662-6006
Phone(207) 662-3500
Fax(207) 662-6006
Sole ProprietorNo
Enumeration DateApril 17, 2017
Last NPPES UpdateJuly 15, 20264 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1891229829 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 ME · MD30676
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 ListedInternal MedicineTaxonomy 207R00000X · License 282719 (MA), MD30676 (ME)
22 BRAMHALL ST, Portland, ME 04102
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Secondary Practice Locations 2

Location 1144 US Route 1 Ste 2Scarborough, ME 04074-7219 · Phone (207) 396-7606 · Fax (207) 819-6802
Location 255 Fruit StBoston, MA 02114-2621 · Phone (973) 255-7042

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Katherine Elizabeth Ferguson 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.

Medicare Billing Reassignments

4

Medicare enrollment records show Katherine Ferguson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is
66 mi
Hematology & Oncology
1 WALLACE BASHAW WAY, SUITE 2001
Newburyport, MA 01950
  • Reassigned Medicare billing, Massachusetts enrollment
  • 346 clinicians in this Medicare group
NPI 1235537093 (978) 463-1374
Beth Israel Deaconess Medical Center, Inc.
100 mi
General Acute Care Hospital
330 BROOKLINE AVE, ST 207
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,477 clinicians in this Medicare group
NPI 1548202641 (617) 667-1961
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
100 mi
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,579 clinicians in this Medicare group
NPI 1194765438 (617) 754-9600
Tuba City Regional Health Care Corporation
2,192 mi
Family Medicine
10 MILES NE OF SR264 MP362, ROCKY RIDGE SCHOOL STREET
Kykotsmovi, AZ 86039
  • Reassigned Medicare billing, Texas enrollment
  • 540 clinicians in this Medicare group
NPI 1396921870 (928) 283-2781

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
239 services73 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
61 services58 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
52 services47 patients

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.

ABBY LYNN LABRECQUE PA-C
Physician Assistant (Medical)
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-8111
TEGAN SWIFT RD
Dietitian, Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-4238
DEREK POULIN DO
Anesthesiology
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-2526
MATTHEW SCOTT AUSTIN CRNA
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-2526
MADELINE YOUNGBERG MD
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-0111
ERICA BRASLEY MD
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-0111
REBECCA ROSE LIGHTMAN
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-7060
DR. LUKE PATRICK KEFFER MD, MBA
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-0111

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 Katherine Ferguson's NPI number?

The NPI number for Katherine Ferguson is 1891229829. It was assigned to this individual provider in the NPPES registry on April 17, 2017.

Where is Katherine Ferguson located?

Katherine Ferguson practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-3500.

What is Katherine Ferguson's specialty?

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

Is Katherine Ferguson enrolled in Medicare?

Yes. Katherine Ferguson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katherine Ferguson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Ferguson reassigns Medicare benefits to 4 organizations: Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Newburyport, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA) and Tuba City Regional Health Care Corporation (Kykotsmovi, AZ). 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 Katherine Ferguson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katherine Ferguson was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.