Registry data as of Aug 27, 2026

Anja Gunderson, MSN, APRN, FNP-C

Nurse Practitioner · New Haven, CT

Anja Gunderson, MSN, APRN, FNP-C is a nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1063293264, issued on Oct 12, 2023. Check the license with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1063293264
Name
Anja Gunderson
Credential
MSN, APRN, FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
Practice location
20 York St, New Haven, CT 06510
Phone
(203) 688-4242
Enumerated
Oct 12, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 20 York St

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

  1. Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
  2. Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
  3. Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
  4. Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
  5. Sarah AbdallahPsychiatry Physician1740800952
  6. Usama Abdelghany, PHARM DOncology Pharmacist1548827843

Verify Anja Gunderson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

69% fewer Medicare Part D claims than the average nurse practitioner in 2024

356 Medicare Part D claims for 254 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D.

  1. Anja Gunderson356
  2. Specialty average1,144

Most prescribed

  1. Nitrofurantoin Mono-Macro34 claims
  2. Fluticasone Propionate33 claims
  3. Amoxicillin-Clavulanate Potass25 claims
  4. Albuterol Sulfate Hfa23 claims
  5. Doxycycline Hyclate22 claims
  6. Azithromycin19 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.

One hospital or facility affiliation

  1. Urgent Care Medical Associates, LLCHamden, CT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

119 nurse practitioner records list a New Haven practice address

They are 119 of the 9,793 NPPES records with a New Haven practice address, and 1,006 nurse practitioner records in Connecticut.

Other nurse practitioner records in Connecticut

  1. Anna Liza Abastillas, APRNSouthington, CT1063572014
  2. Manju Abraham, APRNFarmington, CT1356824742
  3. Charles AdamsTorrington, CT1801930755
  4. Olutoyin Adesola, APRNWest Haven, CT1043732746
  5. Mallory Akin, APRNAvon, CT1467238162
  6. Gloriann Albini, APRNTrumbull, CT1730134107
  7. Annel Alcantara, NPBridgeport, CT1922838630
  8. Joshua Alderman, APRNMiddletown, CT1639622962
  9. Nicole Alex, APRNHartford, CT1497424527
  10. Lisa Alexander, NPWest Haven, CT1316975535

Common questions

What is Anja Gunderson, MSN, APRN, FNP-C's NPI number?

Anja Gunderson, MSN, APRN, FNP-C's National Provider Identifier (NPI) is 1063293264, issued on Oct 12, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Anja Gunderson, MSN, APRN, FNP-C located?

The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.

How can I verify Anja Gunderson, MSN, APRN, FNP-C's license?

Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Anja Gunderson, MSN, APRN, FNP-C prescribe under Medicare Part D?

In 2024, Anja Gunderson, MSN, APRN, FNP-C had 356 Medicare Part D claims for 254 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.