MR. THOMAS ALEXANDER SEIBEL (LCSW) – Clinical Social Worker, NPI 1083759013

MR. THOMAS ALEXANDER SEIBEL (LCSW) is a healthcare provider. based in Newcastle, California. specializing in CLINICAL SOCIAL WORKER. They hold the professional credentials LCSW. They hold a License No. LCS21454 (CA). The NPI Number for MR. THOMAS ALEXANDER SEIBEL (LCSW) is 1083759013

Main info

Male
Sole Proprietor
33 Years Of Experience
Accepts Medicare Assignment
Name
MR. THOMAS ALEXANDER SEIBEL (LCSW)
NPI
1083759013
Phone
(916) 316-3024
Address
7117 RIDGE RD
Enumeration Date
20 February 2007
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5308872800
Graduation Year
1993 (33 years ago)
PAC ID
8426401522
Group Practice PAC ID
4981688520
Professional Enrollment ID
I20240124004907
Address ID
CA956039522AU11670RDXX300
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

4,987 CLINICAL SOCIAL WORKER in CA

Provider Addresses for MR. THOMAS ALEXANDER SEIBEL (LCSW)

  • 7117 RIDGE RD

    NEWCASTLE, CA 956589429

    Phone: (916) 316-3024

    Fax: (916) 663-9317

    Type: Mailing

  • 3175 SUNSET BLVD STE 104A

    ROCKLIN, CA 956773091

    Phone: (916) 316-3024

    Fax: (916) 663-9317

    Type: Location

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: 2024-01-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

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
I20240124004907IClinical Social WorkerCATBD

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 95658)

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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: 4981688520View full group profile
NameSpecialtyState
Psychiatry, NeurologyFL
Nurse PractitionerCA
Nurse PractitionerCA
Nurse PractitionerCA
Nurse PractitionerCA
Family PracticePA
Family PracticeCA
O P T O M E T R YNY
Family PracticeCA
Family PracticeCA

Reviews

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Frequently asked questions

Where can patients find MR. THOMAS ALEXANDER SEIBEL (LCSW)'s NPI?
You can confirm MR. THOMAS ALEXANDER SEIBEL (LCSW) with NPI 1083759013; it appears in the national provider directory.
Is MR. THOMAS ALEXANDER SEIBEL (LCSW) currently active in the NPI registry?
CMS-published data lists MR. THOMAS ALEXANDER SEIBEL (LCSW) as an active registrant.
Can you summarize MR. THOMAS ALEXANDER SEIBEL (LCSW)'s specialty in plain language?
Clinically, the directory lists MR. THOMAS ALEXANDER SEIBEL (LCSW) with Clinical Social Worker. Clinical services aligned with this taxonomy classification.
Where does public data place MR. THOMAS ALEXANDER SEIBEL (LCSW)?
The snapshot lists Newcastle, California for MR. THOMAS ALEXANDER SEIBEL (LCSW); download NPPES for the complete set.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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