Christine Couperus-Mashewske, FNP-C
NPI 1700260221 · Family Nurse Practitioner · Canton, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Couperus-Mashewske, FNP-C is a Family Nurse Practitioner provider in Canton, NY (NPI 1700260221).
Provider details
- NPI number
- 1700260221
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- F-339655 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 131 | 23 |
| Duloxetine Hcl | 96 | 15 |
| Olanzapine | 77 | 13 |
| Aripiprazole | 75 | 16 |
| Fluoxetine Hcl | 68 | 11 |
| Sertraline Hcl | 58 | — |
| Alprazolam | 58 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,116 across 60 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-07-14
- Last updated
- 2019-06-26
Frequently asked questions
- What is Christine Couperus-Mashewske's NPI number?
- Christine Couperus-Mashewske's National Provider Identifier (NPI) is 1700260221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Couperus-Mashewske's specialty?
- Christine Couperus-Mashewske is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christine Couperus-Mashewske located?
- Christine Couperus-Mashewske's practice location on file with NPPES is 4 Commerce Ln, Canton, NY 13617-3739.
- What is Christine Couperus-Mashewske's phone number?
- The practice phone number listed in the NPPES registry for Christine Couperus-Mashewske is (315) 386-8191.
- Does Christine Couperus-Mashewske accept Medicare?
- Christine Couperus-Mashewske is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Couperus-Mashewske's NPI active?
- Yes — Christine Couperus-Mashewske's NPI (1700260221) is active in the NPPES registry as of the last update on 2019-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.