Unknown Individual – Allergy Physician, NPI 1528118940

Unknown Individual is a healthcare provider. based in Walnut creek, California. specializing in Allergy Physician. They hold a License No. G21979 (CA). The NPI Number for Unknown Individual is 1528118940

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1528118940
Phone
(925) 939-3437
Address
1844 SAN MIGUEL DR
Deactivation Date
17 June 2021
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience19
Completeness75
Years active:0State licenses:1Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • 1844, San Miguel Drive, Walnut Creek, Contra Costa County, California, 94596, United States

    SUITE 305

    WALNUT CREEK, CA 945964962

    Phone: (925) 939-3437

    Fax: (925) 939-7814

    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 94596)

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Reviews

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Frequently asked questions

Can I cross-check Unknown Individual using NPI 1528118940?
NPI 1528118940 belongs to Unknown Individual; compare other details if you need extra assurance.
Is inactive the same as retired for Unknown Individual?
Inactive registry status can reflect deactivation, consolidation, or data lag.
What clinical focus is listed for Unknown Individual?
At a glance, Unknown Individual is tied to Allergy Physician. Clinical services aligned with this taxonomy classification.
Where in California is Unknown Individual registered?
Use Walnut Creek, California as the headline location for Unknown Individual here.
When was this NPI issued?
Enumeration for Unknown Individual is noted as not shown in this record where the registry provides it.