Kathryn Giles Groll, CNM, PMHNP-BC, DNP
Psychiatric/Mental Health Nurse Practitioner · Parsippany, NJ
Kathryn Giles Groll, CNM, PMHNP-BC, DNP is a psychiatric/mental health nurse practitioner with a practice address in Parsippany, New Jersey, and NPI 1336304823, issued on Jul 23, 2008. Check the license (New Jersey 26NJ1481100, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Giles Groll
- Credential
- CNM, PMHNP-BC, DNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 26NJ1481100 NJ
25ME00042801 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 22 Hill RD, Parsippany, NJ 07054
- Phone
- (973) 335-9910
- Enumerated
- Jul 23, 2008
- Record last updated
- Jun 14, 2024
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,806 in New Jersey → Look up another NPI →
Also registered at 22 Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason CarnessPsychiatry Physician1184068223
- Rebecca Casey, APNPsychiatric/Mental Health Nurse Practitioner1558938951
- Rafael ContrerasPsychiatric/Mental Health Nurse Practitioner1750930368
- Lisa Guillod, LCSWClinical Social Worker1043782469
- Kathy Gvardijan, LPCProfessional Counselor1043053242
- Geoffrey Hillback, LCSWClinical Social Worker1649832965
Verify Kathryn Giles Groll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 26NJ1481100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
12 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $286.78
5 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, 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.
Kathryn Giles Groll among 1,806 psychiatric/mental health nurse practitioner records in New Jersey
Kathryn Giles Groll, CNM, PMHNP-BC, DNP is one of 1,806 psychiatric/mental health nurse practitioner records with a practice address in New Jersey. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 7% of them.
- NPI issued2008 · 7% of these records are older, 92% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2024 · 21% 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 Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 psychiatric/mental health nurse practitioner records list a practice address in Parsippany
They are 14 of the 840 NPPES records with a practice address in Parsippany, and 1,806 psychiatric/mental health nurse practitioner records in New Jersey.
All 1,806 in New Jersey → Every provider in Parsippany → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Yvonne Boadu, APN-BCParsippany, NJ 070541689252348
- Rebecca Casey, APNParsippany, NJ 070541558938951
- Rafael ContrerasParsippany, NJ 070541750930368
- Joseph Fleschner, APNParsippany, NJ 070541215620778
- Marilyn Gaesser, APRNParsippany, NJ 070541528023611
- Pius IloParsippany, NJ 070541952856718
- Evelyn Kaminski, A.P.N.Parsippany, NJ 070541447523659
- Shannon McElroy, PMHNPParsippany, NJ 070541679064695
Common questions
What is Kathryn Giles Groll, CNM, PMHNP-BC, DNP's NPI number?
Kathryn Giles Groll, CNM, PMHNP-BC, DNP's National Provider Identifier (NPI) is 1336304823, issued on Jul 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Giles Groll, CNM, PMHNP-BC, DNP located?
The NPPES record lists a practice address at 22 Hill RD, Parsippany, NJ, 07054. Phone: (973) 335-9910. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Giles Groll, CNM, PMHNP-BC, DNP's license?
NPPES lists New Jersey license number 26NJ1481100, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn Giles Groll, CNM, PMHNP-BC, DNP prescribe under Medicare Part D?
In 2024, Kathryn Giles Groll, CNM, PMHNP-BC, DNP had 12 Medicare Part D claims; 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.