MRS. SHEA GERSTENMAIER APRN
NPI 1790464501
Nurse Practitioner in Danbury, CT

Active since July 18, 2023PECOS EnrolledAccepts Medicare Assignment
33 GERMANTOWN RD STE 2, DANBURY, CT 06810(203) 739-8330 Get Directions Write a Review

NPPES record last updated: July 19, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Shea Gerstenmaier Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. SHEA GERSTENMAIER APRN (NPI 1790464501) is an individual nurse practitioner in Danbury, Connecticut, licensed in Connecticut (12120) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1790464501
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. SHEA GERSTENMAIERCredential: APRN
Location Address33 GERMANTOWN RD STE 2Danbury, CT 06810-5039
Mailing Address33 Germantown RdDanbury, CT 06810-5038 · (203) 648-7341
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJuly 18, 2023
Last NPPES UpdateJuly 19, 2023
NPPES CertifiedJuly 19, 2023
✔ NPI 1790464501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CT · 12120
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 142496 (CT)
33 GERMANTOWN RD STE 2, Danbury, CT 06810

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Shea Gerstenmaier Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426405010
PECOS Enrollment IDI20231102003253
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Shea Gerstenmaier reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

End-Stage Renal Disease (ESRD) Treatment
24 HOSPITAL AVE, NELSON GELFMAN, MD., DIALYSIS UNIT
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 155 clinicians in this Medicare group
Internal Medicine
24 HOSPITAL AVE
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 818 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
247 services192 patients
Test for exercise-induced lung stress 94618
An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.
50 services46 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
16 services16 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06810 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Pulmonary Disease)
33 GERMANTOWN RD STE 2
DANBURY, CT 06810

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Shea Gerstenmaier's NPI number?

The NPI number for Shea Gerstenmaier is 1790464501. It was assigned to this individual provider in the NPPES registry on July 18, 2023.

Where is Shea Gerstenmaier located?

Shea Gerstenmaier practices at 33 Germantown Rd Ste 2, Danbury, CT 06810. The listed phone number is (203) 739-8330.

What is Shea Gerstenmaier's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Shea Gerstenmaier enrolled in Medicare?

Yes. Shea Gerstenmaier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Shea Gerstenmaier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shea Gerstenmaier reassigns Medicare benefits to 2 organizations: Danbury Hospital (Danbury, CT) and Nuvance Health Medical Practice Ct, Inc. (Danbury, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Shea Gerstenmaier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shea Gerstenmaier accept?

Health plans from Anthem Blue Cross and Blue Shield list Shea Gerstenmaier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Shea Gerstenmaier was last updated on July 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.