NPPES file of Aug 9, 2026

Tammy Devincentis, FNP

Psychiatric/Mental Health Nurse Practitioner · San Jose, CA

Tammy Devincentis, FNP is a psychiatric/mental health nurse practitioner with a practice address in San Jose, California, and NPI 1609022359, issued on Aug 13, 2008. Check the license (California 17953, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609022359
Name
Tammy Devincentis
Credential
FNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
17953 CA
17593 CA
Self-reported in NPPES; status is on the state search
Practice location
4850 Union Ave, San Jose, CA 95124
Phone
(800) 913-2615
Enumerated
Aug 13, 2008
Record last updated
Jul 18, 2025
Fax
(408) 559-3158
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4850 Union Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shellyatta Beard, LCSW 99953Clinical Social Worker1558809608
  2. Jessica Bullock, PMHNP, RNPsychiatric/Mental Health Nurse Practitioner1750823530
  3. Natalie CadarioProfessional Counselor1376226720
  4. Casie Czerenda, PMHNPPsychiatric/Mental Health Nurse Practitioner1306662192
  5. Alaa Deeb, LMFTMarriage & Family Therapist1356137327
  6. Mandeep Dheer, NPNurse Practitioner1316692486

Verify Tammy Devincentis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 17953
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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91% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

80 Medicare Part D claims for 12 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Tammy Devincentis80
  2. Specialty average906

Most prescribed

  1. Escitalopram Oxalate15 claims
  2. Gabapentin12 claims
  3. Quetiapine Fumarate12 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: $257.53

2 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.

  1. Tammy Devincentis$257.53
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Psychiatric/Mental Health Nurse Practitioner providers in California

There are 4,226 psychiatric/mental health nurse practitioner records in California.

Other psychiatric/mental health nurse practitioner records in California

  1. Cristina Aamot, NPSanta Ana, CA1356563167
  2. Calista Abaekobe, NPCulver City, CA1205590338
  3. Jane Abanes, NPSan Francisco, CA1821385675
  4. Pamela Joy Abao, NPValencia, CA1093178261
  5. Kazeem AbassLos Angeles, CA1518434281
  6. Nefretiri Abat, PMHNP-BCHayward, CA1184324014
  7. Oluwakemi AbayomiLos Angeles, CA1598508913
  8. Natasha Abbas, PMHNPLong Beach, CA1619797834
  9. Taha Abdelwahhab, APRN-CNP, PMHNPHayward, CA1760670616
  10. Ralaine Abdon, NPSacramento, CA1124699855

Common questions

What is Tammy Devincentis, FNP's NPI number?

Tammy Devincentis, FNP's National Provider Identifier (NPI) is 1609022359, issued on Aug 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tammy Devincentis, FNP located?

The NPPES record lists a practice address at 4850 Union Ave, San Jose, CA, 95124. Phone: (800) 913-2615. Providers update this record themselves, so call before visiting.

How can I verify Tammy Devincentis, FNP's license?

NPPES lists California license number 17953, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tammy Devincentis, FNP prescribe under Medicare Part D?

In 2024, Tammy Devincentis, FNP had 80 Medicare Part D claims for 12 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.