Registry data as of Aug 27, 2026

Shea Gerstenmaier, APRN

Registered Nurse · Danbury, CT

Shea Gerstenmaier, APRN is a registered nurse with a practice address in Danbury, Connecticut, and NPI 1790464501, issued on Jul 18, 2023. Check the license (Connecticut 12120, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1790464501
Name
Shea Gerstenmaier
Credential
APRN
Primary taxonomy
Registered Nurse 163W00000X
License numbers
12120 CT
142496 CT
Self-reported in NPPES; status is on the state search
Practice location
33 Germantown RD Ste 2, Danbury, CT 06810
Phone
(203) 739-8330
Enumerated
Jul 18, 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 33 Germantown RD Ste 2

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

  1. Augustine Andoh-Duku, M.DPulmonary Disease Physician1992010565

Verify Shea Gerstenmaier 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 12120
    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.

86% more Medicare Part D claims than the average registered nurse in 2024

1,981 Medicare Part D claims for 674 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.

  1. Shea Gerstenmaier1,981
  2. Specialty average1,063

Most prescribed

  1. Albuterol Sulfate Hfa264 claims
  2. Trelegy Ellipta235 claims
  3. Anoro Ellipta171 claims
  4. Breo Ellipta156 claims
  5. Prednisone155 claims
  6. Azithromycin94 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: $170.57

4 payments, mostly food and beverage; the largest payer was Genzyme Corporation. The 16,089 providers of this specialty with any payment received $575.97 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shea Gerstenmaier$170.57
  2. Specialty average$575.97

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

2 hospital and facility affiliations

  1. Danbury HospitalDanbury, CT · Acute Care Hospitals4 of 5 stars
  2. Nuvance Health Medical Practice CT IncDanbury, 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.

36 registered nurse records list a Danbury practice address

They are 36 of the 2,412 NPPES records with a Danbury practice address, and 1,300 registered nurse records in Connecticut.

Other registered nurse records in Connecticut

  1. Marchella AbbateEast Haven, CT1063344000
  2. Adey Abebe, APRNDanbury, CT1558914648
  3. Kwame Acheampong, NPStratford, CT1659975969
  4. Heather Adamec, RNPutnam, CT1013843325
  5. Amanda AdamsWest Haven, CT1649007154
  6. Barbara AddiBridgeport, CT1730798406
  7. Jenna AddisonTrumbull, CT1649725656
  8. Sarah Adkins, CNM, MSNBranford, CT1740990308
  9. Emma Alamo, MSN, RN, CPCWest Haven, CT1417765272
  10. Lauren AlessandroBridgeport, CT1396620795

Common questions

What is Shea Gerstenmaier, APRN's NPI number?

Shea Gerstenmaier, APRN's National Provider Identifier (NPI) is 1790464501, issued on Jul 18, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Shea Gerstenmaier, APRN located?

The NPPES record lists a practice address at 33 Germantown RD Ste 2, Danbury, CT, 06810. Phone: (203) 739-8330. Providers update this record themselves, so call before visiting.

How can I verify Shea Gerstenmaier, APRN's license?

NPPES lists Connecticut license number 12120, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Shea Gerstenmaier, APRN prescribe under Medicare Part D?

In 2024, Shea Gerstenmaier, APRN had 1,981 Medicare Part D claims for 674 beneficiaries; the average among registered nurse prescribers was 1,063. 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.