Individual provider

Carrie Grassi, NP

Adult Health Nurse Practitioner Medicare enrolled

Carrie Grassi, NP is an Adult Health Nurse Practitioner in Wallingford, CT, registered under NPI 1093001646.

Getting there

The practice address on file is 35 THORPE AVE STE 104, Wallingford, CT 06492. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

35 THORPE AVE STE 104, Wallingford, CT 06492 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
060155-23 NH Adult Health Nurse Practitioner primary
71011618A IN Adult Health Nurse Practitioner
9966 CT Adult Health Nurse Practitioner
0036201 OH Adult Health Nurse Practitioner
APRN11010269 FL Adult Health Nurse Practitioner
4018490 KY Adult Health Nurse Practitioner
0024189566 VA Adult Health Nurse Practitioner
CNP201417 ME Adult Health Nurse Practitioner
GAA-NP002226 GA Adult Health Nurse Practitioner
RN284637 MA Adult Health Nurse Practitioner

Licences are recorded in 10 states: NH, IN, CT, OH, FL, KY, VA, ME, GA, MA. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Nurse Practitioner
PAC ID
8022282649

Enrolled in Medicare 4 times, across 4 states:

StateEnrollment IDProvider type
Maine I20260223000787 Practitioner - Nurse Practitioner
Kentucky I20260227002900 Practitioner - Nurse Practitioner
Virginia I20260228000274 Practitioner - Nurse Practitioner
Georgia I20260310000224 Practitioner - Nurse Practitioner

Medicare enrolment is recorded as approved under the provider type Practitioner - Nurse Practitioner. There are 4 separate enrolment records across 4 states (ME, KY, VA, GA). Multiple enrolments usually mean the provider bills Medicare from more than one practice location, or has kept an earlier enrolment after moving. Each record carries its own enrolment ID, listed above. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

Licensed in 10 states

This provider holds licences in 10 states: Connecticut, Florida, Georgia, Indiana, Kentucky, Massachusetts, Maine, New Hampshire, Ohio and Virginia. The practice address on file is in Wallingford, CT, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

CT Connecticut practice address
Licence
9966
Specialty
Adult Health Nurse Practitioner
Verify with the CT board →
FL Florida
Licence
APRN11010269
Specialty
Adult Health Nurse Practitioner
Verify with the FL board →
GA Georgia
Licence
GAA-NP002226
Specialty
Adult Health Nurse Practitioner
Verify with the GA board →
IN Indiana
Licence
71011618A
Specialty
Adult Health Nurse Practitioner
Verify with the IN board →
KY Kentucky
Licence
4018490
Specialty
Adult Health Nurse Practitioner
Verify with the KY board →
MA Massachusetts
Licence
RN284637
Specialty
Adult Health Nurse Practitioner
Verify with the MA board →
ME Maine
Licence
CNP201417
Specialty
Adult Health Nurse Practitioner
Verify with the ME board →
NH New Hampshire
Licence
060155-23
Specialty
Adult Health Nurse Practitioner
Verify with the NH board →
OH Ohio
Licence
0036201
Specialty
Adult Health Nurse Practitioner
Verify with the OH board →
VA Virginia
Licence
0024189566
Specialty
Adult Health Nurse Practitioner
Verify with the VA board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Adult Health covers

Definition to come... NUCC Health Care Provider Taxonomy, code 363LA2200X
Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Adult Health

All registered taxonomy codes

This provider registers 10 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
363LA2200X Adult Health Nurse Practitioner Adult Health 060155-23 NH primary
363LA2200X Adult Health Nurse Practitioner Adult Health 71011618A IN
363LA2200X Adult Health Nurse Practitioner Adult Health 9966 CT
363LA2200X Adult Health Nurse Practitioner Adult Health 0036201 OH
363LA2200X Adult Health Nurse Practitioner Adult Health APRN11010269 FL
363LA2200X Adult Health Nurse Practitioner Adult Health 4018490 KY
363LA2200X Adult Health Nurse Practitioner Adult Health 0024189566 VA
363LA2200X Adult Health Nurse Practitioner Adult Health CNP201417 ME
363LA2200X Adult Health Nurse Practitioner Adult Health GAA-NP002226 GA
363LA2200X Adult Health Nurse Practitioner Adult Health RN284637 MA

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1093001646 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateJun 22, 2011
Last updatedOct 9, 2025
StatusActive
Sole proprietorNo
CredentialNP
Practice address 35 THORPE AVE STE 104
Wallingford, CT 06492
(203) 779-5799
This record was updated on Oct 9, 2025, which is recent enough that the contact details are likely still accurate.

Number check

1093001646 passes the NPI check digit test The final digit 6 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 0 9 3 0 0 1 6 4
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 0 9 3 0 0 2 6 8

Sum = 54 · next multiple of 10 = 60 · check digit = 6 · actual last digit = 6

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1093001646?
NPI 1093001646 is the National Provider Identifier assigned to Carrie Grassi, NP in Wallingford, CT. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Adult Health cover?
Definition to come...
How do I contact Carrie Grassi, NP?
The phone number on file with NPPES is (203) 779-5799, last updated Oct 9, 2025. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Carrie Grassi, NP accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1093001646 a valid number?
Yes. 1093001646 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.