NPPES file of Aug 9, 2026

Yvonne Ann Ruddy-Stein, APRN

Nurse Practitioner · Southbury, CT

Yvonne Ann Ruddy-Stein, APRN is a nurse practitioner with a practice address in Southbury, Connecticut, and NPI 1992738116, issued on Jul 9, 2006. Check the license (Connecticut 003121, 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
1992738116
Name
Yvonne Ann Ruddy-Stein
Credential
APRN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
003121 CT
Self-reported in NPPES; status is on the state search
Practice location
900 Main St S, Southbury, CT 06488
Phone
(203) 262-2300
Enumerated
Jul 9, 2006
Record last updated
Oct 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(203) 262-2305
Medicaid ID
004250148 CT
Medicare enrollment
Enrolled (PECOS I20050627000819); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 900 Main St S

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

  1. Alice Leber, APRNFamily Nurse Practitioner1225259146
  2. Jennifer Milano, LPC-AMental Health Counselor1063229433
  3. Richard Papantonio, M.D.Emergency Medicine Physician1750316303
  4. Ellen Polokoff, MDSurgery Physician1487671178
  5. Andrew Rubman, N.D.Family Medicine Physician1538280128
  6. Theresa Tartarone, MDInternal Medicine Physician1518259175

Verify Yvonne Ann Ruddy-Stein 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 003121
    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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84% fewer Medicare Part D claims than the average nurse practitioner in 2024

176 Medicare Part D claims for 86 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Yvonne Ruddy-Stein176
  2. Specialty average1,109

Most prescribed

  1. Anastrozole18 claims
  2. Exemestane12 claims
  3. Hydroxyurea12 claims
  4. Letrozole12 claims
  5. Warfarin Sodium12 claims
  6. Nystatin11 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

  1. Yale UniversityWaterbury, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yvonne Ann Ruddy-Stein among 922 nurse practitioner records in Connecticut

Yvonne Ann Ruddy-Stein, APRN is one of 922 nurse practitioner records with a practice address in Connecticut. 72% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 78% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1994 · median 2018 among the 522 with a school on file
  • Record last updated2021 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 nurse practitioner records list a practice address in Southbury

They are 4 of the 520 NPPES records with a practice address in Southbury, and 922 nurse practitioner records in Connecticut.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Carissa Corraro, APRNSouthbury, CT 064881992549471
  2. Tracy Perry, APRNSouthbury, CT 064881659178424
  3. Kristen Velsmid, APRNSouthbury, CT 064881275806390
  4. Melanie Collin, APRNSouthington, CT 064891184415440
  5. Jenna DenorfiaSouthington, CT 064891851949093
  6. Lauren MadiganSouthington, CT 064891093339699
  7. Mikayla Mueller, RNSouthington, CT 064891770238537
  8. Anna Aranzullo, APRNShelton, CT 064841619623725

Common questions

What is Yvonne Ann Ruddy-Stein, APRN's NPI number?

Yvonne Ann Ruddy-Stein, APRN's National Provider Identifier (NPI) is 1992738116, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yvonne Ann Ruddy-Stein, APRN located?

The NPPES record lists a practice address at 900 Main St S, Southbury, CT, 06488. Phone: (203) 262-2300. Providers update this record themselves, so call before visiting.

How can I verify Yvonne Ann Ruddy-Stein, APRN's license?

NPPES lists Connecticut license number 003121, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Yvonne Ann Ruddy-Stein, APRN prescribe under Medicare Part D?

In 2024, Yvonne Ann Ruddy-Stein, APRN had 176 Medicare Part D claims for 86 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.