Catherine Costa Gardyn, PMHNP-BC, ANP
Psychiatric/Mental Health Nurse Practitioner · Cold Spring Harbor, NY
Catherine Costa Gardyn, PMHNP-BC, ANP is a psychiatric/mental health nurse practitioner with a practice address in Cold Spring Harbor, New York, and NPI 1447615992, issued on Dec 29, 2015. Check the license (New York 402096, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Costa Gardyn
- Credential
- PMHNP-BC, ANP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 402096 NY
306698 NY
Self-reported in NPPES; status is on the state search - Practice location
- 64 Woodchuck Hollow RD, Cold Spring Harbor, NY 11724
- Phone
- (516) 551-7112
- Enumerated
- Dec 29, 2015
- Record last updated
- Dec 31, 2025
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,129 in New York → Look up another NPI →
Verify Catherine Costa Gardyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 402096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
54 Medicare Part D claims for 16 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Aripiprazole11 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: $261.73
3 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Catherine Costa Gardyn among 4,129 psychiatric/mental health nurse practitioner records in New York
Catherine Costa Gardyn, PMHNP-BC, ANP is one of 4,129 psychiatric/mental health nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 35% of them.
- NPI issued2015 · 35% of these records are older, 62% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2025 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 psychiatric/mental health nurse practitioner record lists a practice address in Cold Spring Harbor
They are 1 of the 66 NPPES records with a practice address in Cold Spring Harbor, and 4,129 psychiatric/mental health nurse practitioner records in New York.
All 4,129 in New York → Every provider in Cold Spring Harbor → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Romane Abbensetts, PMHNPCommack, NY 117251437616240
- Carolyn Gilbert, NPCommack, NY 117251174889125
- Noreen Giordano, DNPCommack, NY 117251528009289
- Simi Kalani, NPCommack, NY 117251588986988
- Marilyn Lika, NPPCommack, NY 117251811473952
- Kathy McDermott, RNMSNPPCommack, NY 117251730347667
- Phyllis Pinard, NPPCommack, NY 117251427139401
- Caryn Valencia, NPPCommack, NY 117251437410867
Common questions
What is Catherine Costa Gardyn, PMHNP-BC, ANP's NPI number?
Catherine Costa Gardyn, PMHNP-BC, ANP's National Provider Identifier (NPI) is 1447615992, issued on Dec 29, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Costa Gardyn, PMHNP-BC, ANP located?
The NPPES record lists a practice address at 64 Woodchuck Hollow RD, Cold Spring Harbor, NY, 11724. Phone: (516) 551-7112. Providers update this record themselves, so call before visiting.
How can I verify Catherine Costa Gardyn, PMHNP-BC, ANP's license?
NPPES lists New York license number 402096, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Costa Gardyn, PMHNP-BC, ANP prescribe under Medicare Part D?
In 2024, Catherine Costa Gardyn, PMHNP-BC, ANP had 54 Medicare Part D claims for 16 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.