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JOHNEISHA JOANNA WILLIAMS FNP-C
NPI 1750113171
Nurse Practitioner - Family in Damariscotta, ME

Active since August 14, 2024PECOS EnrolledAccepts Medicare Assignment
24 MILES CENTER WAY, DAMARISCOTTA, ME 04543(207) 563-4250(207) 810-4977 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 11, 2026, Aug 14, 2024 (2 updates tracked since 2024).

About Johneisha Joanna Williams Fnp-c NPPES

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

JOHNEISHA JOANNA WILLIAMS FNP-C (NPI 1750113171) is an individual family provider in Damariscotta, Maine, licensed in Maine (CNP241477) and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS, is affiliated with Penobscot Bay Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1750113171
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameJOHNEISHA JOANNA WILLIAMSCredential: FNP-C
Location Address24 MILES CENTER WAYDamariscotta, ME 04543-4067
Mailing Address24 Miles Center WayDamariscotta, ME 04543-4067 · (207) 563-4250 · Fax (207) 810-4977
Phone(207) 563-4250
Fax(207) 810-4977
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateAugust 14, 2024
Last NPPES UpdateMarch 11, 20262 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
✔ NPI 1750113171 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 · CNP241477
24 MILES CENTER WAY, Damariscotta, ME 04543
Open in Google Maps ↗

Secondary Practice Locations 3

Location 149 Hooper StWiscasset, ME 04578-4053 · Phone (207) 882-7911 · Fax (207) 882-6178
Location 219 Saint Andrews LnBoothbay Harbor, ME 04538-1732 · Phone (207) 633-7820 · Fax (207) 810-4966
Location 3126 Depot StWaldoboro, ME 04572-5913 · Phone (207) 832-6394 · Fax (207) 536-5162

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Johneisha Joanna 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 ID7719419720
PECOS Enrollment IDI20241016000191
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 Reassignment

Medicare enrollment records show Johneisha Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mainehealth
0.1 mi
Critical Access
35 MILES ST
Damariscotta, ME 04543
  • Reassigned Medicare billing, Maine enrollment
  • Also billed through NPI 1912094806 (Maine)
  • 3,140 clinicians in this Medicare group
NPI 1629558432 (207) 563-1234

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

Hospital Affiliations CMS Care Compare 2

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

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

Lincolnhealth

Critical Access Hospitals · Damariscotta, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number201302
Location35 Miles StreetDamariscotta, ME 04543 · Lincoln County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04543 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
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
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.

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.

MR. DUSTIN B PRZYBYLSKI LCSW
Social Worker (Clinical)
24 MILES CENTER WAY
DAMARISCOTTA, ME 04543
Lincoln County (844) 292-0111
MICHAEL SCOTT BALDWIN PA
Physician Assistant (Surgical)
24 MILES CENTER WAY
DAMARISCOTTA, ME 04543
Lincoln County (207) 563-1040
ROBERT N. HUNOLD D.O.
Family Medicine
24 MILES CENTER WAY
DAMARISCOTTA, ME 04543
Lincoln County (207) 563-4250
DR. VALERIE LYNNE DONOHUE M.D.
Family Medicine
24 MILES CENTER WAY
DAMARISCOTTA, ME 04543
Lincoln County (207) 563-4250
TAYLOR LYNN CHASE AGACNP
Nurse Practitioner (Acute Care)
24 MILES CENTER WAY
DAMARISCOTTA, ME 04543
Lincoln County (207) 563-4252
JESSE MICHAEL CHENEY PA-C
Physician Assistant (Medical)
24 MILES CENTER WAY
DAMARISCOTTA, ME 04543
Lincoln County (207) 563-4252
JASON CIENEGA
Family Medicine
24 MILES CENTER WAY
DAMARISCOTTA, ME 04543
Lincoln County (207) 563-4250
MICHELLE MARIE SMITH FNP-BC
Nurse Practitioner (Family)
24 MILES CENTER WAY
DAMARISCOTTA, ME 04543
Lincoln County (207) 563-4780

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 Johneisha Williams's NPI number?

The NPI number for Johneisha Williams is 1750113171. It was assigned to this individual provider in the NPPES registry on August 14, 2024.

Where is Johneisha Williams located?

Johneisha Williams practices at 24 Miles Center Way, Damariscotta, ME 04543. The listed phone number is (207) 563-4250.

What is Johneisha Williams's specialty?

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

Is Johneisha Williams enrolled in Medicare?

Yes. Johneisha 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.

Which organization bills Medicare for Johneisha Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Johneisha Williams reassigns Medicare benefits to Mainehealth (Damariscotta, ME). The 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 Johneisha Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Johneisha Williams affiliated with any hospitals?

According to CMS data, Johneisha Williams is affiliated with Penobscot Bay Medical Center and Lincolnhealth.

When was this NPI record last updated?

The NPPES record for Johneisha Williams was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.