Melanie Grinshteyn, APRN
NPI 1104391820 · Family Nurse Practitioner · Estero, FL
Melanie Grinshteyn, APRN is a Family Nurse Practitioner provider in Estero, FL (NPI 1104391820).
Provider details
- NPI number
- 1104391820
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 9390534 (FL)
Specialties & taxonomies
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
7 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$248 across 6 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
- 2018-10-09
- Last updated
- 2026-01-26
- Certified
- 2026-01-26
Frequently asked questions
- What is Melanie Grinshteyn's NPI number?
- Melanie Grinshteyn's National Provider Identifier (NPI) is 1104391820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melanie Grinshteyn's specialty?
- Melanie Grinshteyn is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melanie Grinshteyn located?
- Melanie Grinshteyn's practice location on file with NPPES is 21300 S Branch Blvd Ste 6119, Estero, FL 33928-9819.
- What is Melanie Grinshteyn's phone number?
- The practice phone number listed in the NPPES registry for Melanie Grinshteyn is (941) 677-3469.
- Is Melanie Grinshteyn's NPI active?
- Yes — Melanie Grinshteyn's NPI (1104391820) is active in the NPPES registry as of the last update on 2026-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.