Catherine Mary Demers, APRN
Family Nurse Practitioner · Essex, CT
Catherine Mary Demers, APRN is a family nurse practitioner with a practice address in Essex, Connecticut, and NPI 1487085593, issued on Nov 29, 2013. Check the license (Connecticut 005534, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Mary Demers
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 005534 CT
5534 CT
Self-reported in NPPES; status is on the state search - Practice location
- 10 Wildwood Medical Center, Essex, CT 06426
- Phone
- (860) 767-0145
- Enumerated
- Nov 29, 2013
- Record last updated
- Feb 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140128001212); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Verify Catherine Mary Demers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 005534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average family nurse practitioner in 2024
5,016 Medicare Part D claims for 514 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 113 claims were for opioids.
Most prescribed
- Atorvastatin Calcium430 claims
- Levothyroxine Sodium244 claims
- Lisinopril235 claims
- Hydrochlorothiazide169 claims
- Losartan Potassium169 claims
- Simvastatin115 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
- Prohealth Physicians PCEssex, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Mary Demers among 2,669 family nurse practitioner records in Connecticut
Catherine Mary Demers, APRN is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 25% of them.
- NPI issued2013 · 25% of these records are older, 71% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2018 among the 1,664 with a school on file
- Record last updated2014 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family nurse practitioner records list a practice address in Essex
They are 7 of the 208 NPPES records with a practice address in Essex, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in Essex → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Suzanne Arcuni, APRNEssex, CT 064261144415514
- Lauren Giroux, FNP-CEssex, CT 064261619790219
- Siobhan Harder, APRNEssex, CT 064261588032866
- Ju Won KimEssex, CT 064261699561159
- Zoe McGlameryEssex, CT 064261013304526
- Sommar OtfinoskiEssex, CT 064261194392605
- Karren AgyekumEast Hampton, CT 064241508296542
- Katie Grigg, APRNEast Hampton, CT 064241467938803
Common questions
What is Catherine Mary Demers, APRN's NPI number?
Catherine Mary Demers, APRN's National Provider Identifier (NPI) is 1487085593, issued on Nov 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Mary Demers, APRN located?
The NPPES record lists a practice address at 10 Wildwood Medical Center, Essex, CT, 06426. Phone: (860) 767-0145. Providers update this record themselves, so call before visiting.
How can I verify Catherine Mary Demers, APRN's license?
NPPES lists Connecticut license number 005534, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Mary Demers, APRN prescribe under Medicare Part D?
In 2024, Catherine Mary Demers, APRN had 5,016 Medicare Part D claims for 514 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.