DR. JOHN HESSL – Urology Physician, NPI 1235215971

DR. JOHN HESSL is a healthcare provider. based in San mateo, California. specializing in Urology Physician. They hold a License No. G14798 (CA). The NPI Number for DR. JOHN HESSL is 1235215971

Main info

Male
Name
DR. JOHN HESSL
NPI
1235215971
Phone
(650) 348-7770
Address
101 SO SAN MATEO DR
Enumeration Date
27 October 2006
Last Update Date
8 July 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. JOHN HESSL

  • San Mateo Drive, Menlo Park, San Mateo County, California, 94025, United States

    SUITE 205

    SAN MATEO, CA 94401

    Phone: (650) 348-7770

    Fax: (650) 348-0166

    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.

No Medicare enrollment or revalidation data available for this provider in our database.

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 94401)

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Reviews

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Frequently asked questions

Does DR. JOHN HESSL share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. JOHN HESSL uses 1235215971.
Can I rely on DR. JOHN HESSL being an active provider?
As of the registry snapshot, DR. JOHN HESSL is marked active.
What is DR. JOHN HESSL best known for clinically?
Directory data describes DR. JOHN HESSL with Urology Physician. Clinical services aligned with this taxonomy classification.
Where is DR. JOHN HESSL based?
DR. JOHN HESSL is tied to San Mateo, California in the data we show; additional addresses may exist on the full record.
Is the information about DR. JOHN HESSL up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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