Tiffany Gishizky, DNP, RN, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Napa, CA
Tiffany Gishizky, DNP, RN, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Napa, California, and NPI 1760035935, issued on Jul 17, 2019. Check the license (California 95012240, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tiffany Gishizky
- Credential
- DNP, RN, PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 95012240 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 2ND St Ste 225, Napa, CA 94559
- Phone
- (707) 346-6825
- Enumerated
- Jul 17, 2019
- Record last updated
- Jan 12, 2026
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →
Also registered at 1001 2ND St Ste 225
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Many, LPCCProfessional Counselor1396083010
- Ashley Olson, LCSWClinical Social Worker1003486085
Verify Tiffany Gishizky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95012240Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
78 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.
Most prescribed
- Duloxetine Hcl21 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: $32.54
1 payment: 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.
Tiffany Gishizky among 4,226 psychiatric/mental health nurse practitioner records in California
Tiffany Gishizky, DNP, RN, PMHNP-BC is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 35% of them.
- NPI issued2019 · 35% of these records are older, 59% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2026 · 16% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in California
There are 4,226 psychiatric/mental health nurse practitioner records in California.
All 4,226 in California → Every provider in Napa → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Patricia Brown, PMHNPNapa, CA 945591841800380
- Nataly Kuznetsov, PMHNP-BCNapa, CA 945591134874027
- Javier Quinonez MezaNapa, CA 945591407681588
- Nancy Singh, APRN, BCNapa, CA 945591932319159
- Akshaydeep SinghNapa, CA 945591124909908
- Erin Craig, APRNNapa, CA 945581093916652
- Oluchi Ibeabuchi, NPNapa, CA 945581770379323
- Tristin Johnson, NPNapa, CA 945581346496767
Common questions
What is Tiffany Gishizky, DNP, RN, PMHNP-BC's NPI number?
Tiffany Gishizky, DNP, RN, PMHNP-BC's National Provider Identifier (NPI) is 1760035935, issued on Jul 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Gishizky, DNP, RN, PMHNP-BC located?
The NPPES record lists a practice address at 1001 2ND St Ste 225, Napa, CA, 94559. Phone: (707) 346-6825. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Gishizky, DNP, RN, PMHNP-BC's license?
NPPES lists California license number 95012240, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tiffany Gishizky, DNP, RN, PMHNP-BC prescribe under Medicare Part D?
In 2024, Tiffany Gishizky, DNP, RN, PMHNP-BC had 78 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.