Joan Ellen Gereg, APRN
Gerontology Nurse Practitioner · Danbury, CT
Joan Ellen Gereg, APRN is a gerontology nurse practitioner with a practice address in Danbury, Connecticut, and NPI 1184685521, issued on Mar 28, 2006. Check the license (Connecticut 000470, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joan Ellen Gereg
- Credential
- APRN
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 000470 CT
Self-reported in NPPES; status is on the state search - Practice location
- 69 Sand Pit RD, Danbury, CT 06810
- Phone
- (203) 748-2551
- Enumerated
- Mar 28, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 166 in Connecticut → Look up another NPI →
Also registered at 69 Sand Pit RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joan Ellen Gereg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 000470Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.8 times the Medicare Part D claims of the average gerontology nurse practitioner in 2024
7,882 Medicare Part D claims for 249 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. 106 claims were for opioids.
Most prescribed
- Escitalopram Oxalate716 claims
- Pantoprazole Sodium495 claims
- Atorvastatin Calcium473 claims
- Eliquis271 claims
- Amlodipine Besylate262 claims
- Lisinopril257 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.
The MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Joan Ellen Gereg among 166 gerontology nurse practitioner records in Connecticut
Joan Ellen Gereg, APRN is one of 166 gerontology nurse practitioner records with a practice address in Connecticut. 75% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 86% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Connecticut
There are 166 gerontology nurse practitioner records in Connecticut.
All 166 in Connecticut → Every provider in Danbury → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Brooke Antonitis, NPDanbury, CT 068101275471799
- Sharon Freitas, APRNDanbury, CT 068101619028024
- Evette James, APRNDanbury, CT 068101467682633
- Alison Zaloski, APRNBrookfield, CT 068041023795416
- Gabriela CastrovinciBethel, CT 068011366275877
- Meagan Carroll, APRNFairfield, CT 068251346750510
- Kimberly Gropp, APRNGreenwich, CT 068301932102019
- Kathryn KerinsNew Milford, CT 067761114776218
Common questions
What is Joan Ellen Gereg, APRN's NPI number?
Joan Ellen Gereg, APRN's National Provider Identifier (NPI) is 1184685521, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joan Ellen Gereg, APRN located?
The NPPES record lists a practice address at 69 Sand Pit RD, Danbury, CT, 06810. Phone: (203) 748-2551. Providers update this record themselves, so call before visiting.
How can I verify Joan Ellen Gereg, APRN's license?
NPPES lists Connecticut license number 000470, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Joan Ellen Gereg, APRN prescribe under Medicare Part D?
In 2024, Joan Ellen Gereg, APRN had 7,882 Medicare Part D claims for 249 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.
What is Joan Ellen Gereg, APRN's MIPS final score?
The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.