Sarah Elizabeth Itteilag, AGACNP BC MSN
Adult Health Nurse Practitioner · West Haven, CT
Sarah Elizabeth Itteilag, AGACNP BC MSN is an adult health nurse practitioner with a practice address in West Haven, Connecticut, and NPI 1366946956, issued on Mar 20, 2018. Check the license (Connecticut 7503, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Elizabeth Itteilag
- Credential
- AGACNP BC MSN
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 7503 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1 Cellini PL Ste 102, West Haven, CT 06516
- Phone
- (203) 932-6481
- Enumerated
- Mar 20, 2018
- Record last updated
- Jul 13, 2026
- Fax
- (203) 932-4051
- Medicare enrollment
- Enrolled (PECOS I20200817000829); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 628 in Connecticut → Look up another NPI →
Also registered at 1 Cellini PL Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Allison Altenburger, APRN, NP-CAdult Health Nurse Practitioner1033503230
- Evan Angelus, MDInternal Medicine Physician1538788609
- Michael Ascenzia, P.A.-CMedical Physician Assistant1932351673
- Annie AugustinePrimary Care Nurse Practitioner1992548259
- Horatiu Balas, M.D.Internal Medicine Physician1720084320
Verify Sarah Elizabeth Itteilag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 7503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
96 Medicare Part D claims for 57 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium12 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.
Bills Medicare through one group practice
- Hospital Medicine Associates LLCWesterly, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Elizabeth Itteilag among 628 adult health nurse practitioner records in Connecticut
Sarah Elizabeth Itteilag, AGACNP BC MSN is one of 628 adult health nurse practitioner records with a practice address in Connecticut. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 76% of them.
- NPI issued2018 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2017 · median 2013 among the 332 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 adult health nurse practitioner records list a practice address in West Haven
They are 35 of the 1,356 NPPES records with a practice address in West Haven, and 628 adult health nurse practitioner records in Connecticut.
All 628 in Connecticut → Every provider in West Haven → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Karen Bahr, NPWest Haven, CT 065161821038126
- Susan Barringer, APRNWest Haven, CT 065161558648055
- David Booth, APRNWest Haven, CT 065161154564284
- Karen Discepolo, NPWest Haven, CT 065161174634885
- Jill Edwards, APRN.BCWest Haven, CT 065161841242419
- Rebecca Herter, NP-CWest Haven, CT 065161790068450
- Karen Marzitelli, APRNWest Haven, CT 065161205873783
- Donna Montesi, APRNWest Haven, CT 065161457354086
Common questions
What is Sarah Elizabeth Itteilag, AGACNP BC MSN's NPI number?
Sarah Elizabeth Itteilag, AGACNP BC MSN's National Provider Identifier (NPI) is 1366946956, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Elizabeth Itteilag, AGACNP BC MSN located?
The NPPES record lists a practice address at 1 Cellini PL Ste 102, West Haven, CT, 06516. Phone: (203) 932-6481. Providers update this record themselves, so call before visiting.
How can I verify Sarah Elizabeth Itteilag, AGACNP BC MSN's license?
NPPES lists Connecticut license number 7503, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Elizabeth Itteilag, AGACNP BC MSN prescribe under Medicare Part D?
In 2024, Sarah Elizabeth Itteilag, AGACNP BC MSN had 96 Medicare Part D claims for 57 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.