JAN A WINETZ (MD) – Nephrology Physician, NPI 1790777852

JAN A WINETZ (MD) is a healthcare provider. based in San jose, California. specializing in NEPHROLOGY, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. G412450 (CA). The NPI Number for JAN A WINETZ (MD) is 1790777852

Main info

Male
Sole Proprietor
50 Years Of Experience
Accepts Medicare Assignment
Name
JAN A WINETZ (MD)
NPI
1790777852
Phone
(408) 356-8133
Address
2505 SAMARITAN DR
Enumeration Date
16 August 2005
Last Update Date
17 May 2016

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7076465500
Graduation Year
1976 (50 years ago)
PAC ID
5991973984
Group Practice PAC ID
0042122244
Professional Enrollment ID
I20110718000674
Address ID
CA945341072FA2458XRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,404 NEPHROLOGY in CA

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Provider Addresses for JAN A WINETZ (MD)

  • 2505 Samaritan Drive, Samaritan Drive, San Jose, Santa Clara County, California, 95032-2502, United States

    STE 405

    SAN JOSE, CA 951244006

    Phone: (408) 356-8133

    Fax: (408) 356-6923

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-11-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20110718000674IInternal MedicineCATBD
I20251116000147IInternal MedicineNVTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 95124)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0042122244View full group profile

Reviews

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Frequently asked questions

What federal number belongs to JAN A WINETZ (MD)?
The federal identifier for JAN A WINETZ (MD) is NPI 1790777852.
Is JAN A WINETZ (MD) active in the national directory?
JAN A WINETZ (MD)'s public NPI profile is in an active state.
Can you summarize JAN A WINETZ (MD)'s specialty in plain language?
Clinically, the directory lists JAN A WINETZ (MD) with Nephrology Physician. Clinical services aligned with this taxonomy classification.
Where is JAN A WINETZ (MD)'s primary listing?
We display San Jose, California because that is what the record indicates for JAN A WINETZ (MD).
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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