NPPES file of Aug 9, 2026

Clara Lengacher

Nurse Practitioner · New Haven, CT

Clara Lengacher is a nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1750011482, issued on Jun 15, 2022. Check the license (Connecticut 173268, 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
1750011482
Name
Clara Lengacher
Primary taxonomy
Nurse Practitioner 363L00000X
License number
173268 CT
Self-reported in NPPES; status is on the state search
Practice location
428 Columbus Ave, New Haven, CT 06519
Phone
(203) 503-3000
Enumerated
Jun 15, 2022
Record last updated
Aug 2, 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.
Download card Updates feed

Also registered at 428 Columbus Ave

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

  1. Oluremi AliyuInternal Medicine Physician1023083771
  2. Melissa Alogna, RDHDental Hygienist1225703150
  3. Maria Arauz Pizzurno, D.D.S.Dentist1780949990
  4. Arti Barnes, MD, MBBS, MPHInfectious Disease Physician1013127455
  5. John Booss, MDInternal Medicine Physician1760528194
  6. Teresa Bunn, D.D.S.General Practice Dentistry1871713735

Verify Clara Lengacher 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 173268
    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

45% more Medicare Part D claims than the average nurse practitioner in 2024

1,609 Medicare Part D claims for 149 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 17 claims were for opioids.

  1. Clara Lengacher1,609
  2. Specialty average1,109

Most prescribed

  1. Gabapentin103 claims
  2. Amlodipine Besylate70 claims
  3. Atorvastatin Calcium61 claims
  4. Fluticasone Propionate61 claims
  5. Albuterol Sulfate Hfa56 claims
  6. Rosuvastatin Calcium54 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.

117 nurse practitioner records list a practice address in New Haven

They are 117 of the 9,793 NPPES records with a practice address in New Haven, and 922 nurse practitioner records in Connecticut.

Other nurse practitioner records in Connecticut

  1. Manju Abraham, APRNFarmington, CT1356824742
  2. Charles AdamsTorrington, CT1801930755
  3. Nicholas Adams, NPDerby, CT1093599979
  4. Mallory Akin, APRNAvon, CT1467238162
  5. Arifa AlamNew Haven, CT1215602115
  6. Gloriann Albini, APRNTrumbull, CT1730134107
  7. Annel Alcantara, NPBridgeport, CT1922838630
  8. Joshua Alderman, APRNMiddletown, CT1639622962
  9. Taylor Alessi, DNPBranford, CT1407553217
  10. Nicole Alex, APRNHartford, CT1497424527

Common questions

What is Clara Lengacher's NPI number?

Clara Lengacher's National Provider Identifier (NPI) is 1750011482, issued on Jun 15, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Clara Lengacher located?

The NPPES record lists a practice address at 428 Columbus Ave, New Haven, CT, 06519. Phone: (203) 503-3000. Providers update this record themselves, so call before visiting.

How can I verify Clara Lengacher's license?

NPPES lists Connecticut license number 173268, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Clara Lengacher prescribe under Medicare Part D?

In 2024, Clara Lengacher had 1,609 Medicare Part D claims for 149 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.