NPPES file of Aug 9, 2026

Thomas Sisk, FNP-BC

Family Nurse Practitioner · San Jose, CA

Thomas Sisk, FNP-BC is a family nurse practitioner with a practice address in San Jose, California, and NPI 1538783139, issued on May 31, 2020. Check the license (California 95023363, 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
1538783139
Name
Thomas Sisk
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
95023363 CA
TPAN1361 FL
A167770 IA
23962 SC
50537 WY
Self-reported in NPPES; status is on the state search
Practice location
102 S 11TH St, San Jose, CA 95112
Phone
(408) 471-8368
Enumerated
May 31, 2020
Record last updated
Jun 12, 2026
Medicare enrollment
Enrolled (PECOS I20251222001904); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 102 S 11TH St

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

  1. Kenneth AndrewAddiction (Substance Use Disorder) Counselor1326335118
  2. Jerry BanksAddiction (Substance Use Disorder) Counselor1477822906
  3. Mandi BlakeAddiction (Substance Use Disorder) Counselor1023655933
  4. Alvaro CadenaAddiction (Substance Use Disorder) Counselor1093156192
  5. Albert Carrasco, CADC IIAddiction (Substance Use Disorder) Counselor1922420504
  6. Oscar CarrilloAddiction (Substance Use Disorder) Counselor1982029500

Verify Thomas Sisk 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 95023363
    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
Find the California license search

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87% fewer Medicare Part D claims than the average family nurse practitioner in 2024

164 Medicare Part D claims for 75 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Thomas Sisk164
  2. Specialty average1,305

Most prescribed

  1. Albuterol Sulfate Hfa22 claims
  2. Atorvastatin Calcium12 claims
  3. Amlodipine Besylate11 claims
  4. Azelastine Hcl11 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.

Thomas Sisk among 16,966 family nurse practitioner records in California

Thomas Sisk, FNP-BC is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 56% of them.

  • NPI issued2020 · 56% of these records are older, 38% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2020 · median 2019 among the 6,793 with a school on file
  • Record last updated2026 · 42% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Nurse Practitioner providers in California

There are 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Vedad BegicSan Jose, CA 951121437801156
  2. Nektarios Butterfield, FNPSan Jose, CA 951121497823769
  3. Tri Dam, NURSE PRACTITIONERSan Jose, CA 951121649864604
  4. Amanda KaoSan Jose, CA 951121720940950
  5. Gicely Morales, FNPSan Jose, CA 951121073378451
  6. Rochelle PopyonSan Jose, CA 951121679161335
  7. Javier Carlos RodriguezSan Jose, CA 951121417613761
  8. Shuzing TsungSan Jose, CA 951121063830958

Common questions

What is Thomas Sisk, FNP-BC's NPI number?

Thomas Sisk, FNP-BC's National Provider Identifier (NPI) is 1538783139, issued on May 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Sisk, FNP-BC located?

The NPPES record lists a practice address at 102 S 11TH St, San Jose, CA, 95112. Phone: (408) 471-8368. Providers update this record themselves, so call before visiting.

How can I verify Thomas Sisk, FNP-BC's license?

NPPES lists California license number 95023363, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas Sisk, FNP-BC prescribe under Medicare Part D?

In 2024, Thomas Sisk, FNP-BC had 164 Medicare Part D claims for 75 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.