KATHRYN HEALING WILLIAMS FNP-C
NPI 1144863945
Nurse Practitioner - Family in Portland, ME

Active since October 24, 2019PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
22 BRAMHALL ST, PORTLAND, ME 04102(207) 706-3280(207) 810-2407 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 5, 2026, Nov 18, 2023, Nov 14, 2019 and 1 more (4 updates tracked since 2019).

About Kathryn Healing Williams Fnp-c NPPES

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

KATHRYN HEALING WILLIAMS FNP-C (NPI 1144863945) is an individual family provider in Portland, Maine, licensed in Maine (CNP191283) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1144863945
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATHRYN HEALING WILLIAMSCredential: FNP-C
Location Address22 BRAMHALL STPortland, ME 04102-3134
Mailing Address22 Bramhall StPortland, ME 04102-3134 · (207) 706-3280 · Fax (207) 810-2407
Fax(207) 810-2407
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateOctober 24, 2019
Last NPPES UpdateJanuary 5, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
NPI 1144863945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in ME · CNP191283
22 BRAMHALL ST, Portland, ME 04102

Secondary Practice Locations 2

Location 124 Miles Center WayDamariscotta, ME 04543-4067 · Phone (207) 563-4250
Location 2193 Bath RdBrunswick, ME 04011-2607 · Phone (207) 424-2272

Accepted 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

Kathryn Healing Williams Fnp-c 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 ID1658706999
PECOS Enrollment IDI20200115001484
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.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
114 services112 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
93 services92 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200021
Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland County
Emergency services Birthing friendly

Penobscot Bay Medical Center

Acute Care Hospitals · Rockport, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200063
Location6 Glen Cove DriveRockport, ME 04856 · Knox County
Emergency services Birthing friendly

Stephens Memorial Hospital

Critical Access Hospitals · Norway, ME
OwnershipVoluntary non-profit - Private
CMS Certification Number201315
Location181 Main StreetNorway, ME 04268 · Oxford County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 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
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

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.

Physician Assistant (Medical)
22 BRAMHALL ST
PORTLAND, ME 04102
Dietitian, Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Anesthesiology
22 BRAMHALL ST
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102

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 Kathryn Williams's NPI number?

The NPI number for Kathryn Williams is 1144863945. It was assigned to this individual provider in the NPPES registry on October 24, 2019.

Where is Kathryn Williams located?

Kathryn Williams practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 706-3280.

What is Kathryn Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Kathryn Williams enrolled in Medicare?

Yes. Kathryn Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kathryn Williams accept?

Health plans from Harvard Pilgrim Health Care list Kathryn Williams 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.

Is Kathryn Williams affiliated with any hospitals?

According to CMS data, Kathryn Williams is affiliated with Maine Medical Center, Mid Coast Hospital, Penobscot Bay Medical Center and Stephens Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Kathryn Williams was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.