NPPES file of Aug 9, 2026

Linda Grisgraber, APRN

Psychiatric/Mental Health Nurse Practitioner · East Haven, CT

Linda Grisgraber, APRN is a psychiatric/mental health nurse practitioner with a practice address in East Haven, Connecticut, and NPI 1922051135, issued on May 18, 2006. Check the license (Connecticut 001868, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922051135
Name
Linda Grisgraber
Credential
APRN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
001868 CT
Self-reported in NPPES; status is on the state search
Practice location
310 Main St, East Haven, CT 06512
Phone
(203) 556-5225
Enumerated
May 18, 2006
Record last updated
Apr 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(203) 494-7126
Medicare enrollment
Enrolled (PECOS I20040728000469); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 310 Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Dukes, LCSWClinical Social Worker1861699068
  2. David Riccio, MDInternal Medicine Physician1083613509

Verify Linda Grisgraber in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 001868
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Connecticut license search

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63% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

335 Medicare Part D claims for 16 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Linda Grisgraber335
  2. Specialty average906

Most prescribed

  1. Alprazolam53 claims
  2. Fluoxetine Hcl37 claims
  3. Rexulti27 claims
  4. Clonidine Hcl24 claims
  5. Hydroxyzine Pamoate16 claims
  6. Lisdexamfetamine Dimesylate15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $80.18

3 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Linda Grisgraber$80.18
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Linda Grisgraber among 1,108 psychiatric/mental health nurse practitioner records in Connecticut

Linda Grisgraber, APRN is one of 1,108 psychiatric/mental health nurse practitioner records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 87% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1996 · median 2020 among the 566 with a school on file
  • Record last updated2016 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 psychiatric/mental health nurse practitioner records list a practice address in East Haven

They are 2 of the 239 NPPES records with a practice address in East Haven, and 1,108 psychiatric/mental health nurse practitioner records in Connecticut.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Philip Frick, DNP, APRNEast Haven, CT 065121689627044
  2. Sharon Rose Nkashama, APRNNew Haven, CT 065121922993666
  3. Meredith Barone, APRNNew Haven, CT 065111669981940
  4. Kathryn ClarkeNew Haven, CT 065131831642438
  5. Katherine D'Angelo, APRNNew Haven, CT 065111609523430
  6. Karen Ennis, APRNNew Haven, CT 065111952156556
  7. Goetti Francois, APRNNew Haven, CT 065111194493841
  8. Jeniece Geronimo, PMHNPNew Haven, CT 065111053031310

Common questions

What is Linda Grisgraber, APRN's NPI number?

Linda Grisgraber, APRN's National Provider Identifier (NPI) is 1922051135, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Linda Grisgraber, APRN located?

The NPPES record lists a practice address at 310 Main St, East Haven, CT, 06512. Phone: (203) 556-5225. Providers update this record themselves, so call before visiting.

How can I verify Linda Grisgraber, APRN's license?

NPPES lists Connecticut license number 001868, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Linda Grisgraber, APRN prescribe under Medicare Part D?

In 2024, Linda Grisgraber, APRN had 335 Medicare Part D claims for 16 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.