Gisele M Castonguay, NP
Nurse Practitioner · Lewiston, ME
At a glance
60 High St, Lewiston, ME 04240-7616
NPPES record updated Nov 19, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
60 High StLewiston, ME 04240-7616
Additional reported practice locations
1 Medical Center DrBiddeford, ME 040059422
Phone: 2072837980
Fax: 2072837793 25A June St Ste 12
Sanford, ME 040732642
Phone: 2074907495
Fax: 2074907499 875 Oak St Se
Salem, OR 973013975
Phone: 5038141472 335 Brighton Ave
Portland, ME 041022363
Phone: 2076624325
Fax: 2076628068
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2008
- CMS specialties
- Nurse Practitioner
Practice groups
Reported hospital affiliations
- Central Maine Medical Center Lewiston, ME
- Mainehealth Maine Medical Center Portland, ME
- Rumford Hospital Rumford, ME
- Salem Health West Valley Dallas, OR
- Salem Hospital Salem, OR
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Services other than consulting | $900.00 |
Reporting companies
| Company | Amount |
|---|---|
| MOLNLYCKE HEALTH CARE US, LLC | $900.00 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Nurse Practitioner
- Taxonomy code
- 363L00000X
- Enumeration date
- Oct 30, 2008
- Record updated
- Nov 19, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- NP
Reported taxonomies and licenses
363L00000X
License reported: 10051311 OR
363LA2200X
License reported: CNP81961 ME
363L00000X · Primary
License reported: CNP81961 ME
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
60 High StLewiston, ME 04240-7616
- Phone
- (207) 795-2886
- Fax
- (207) 795-8280
Mailing address
60 HIGH STLEWISTON, ME 042407616
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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