CLAUDIA MAST (LMSW) – Clinical Social Worker, NPI 1194296905

CLAUDIA MAST (LMSW) is a healthcare provider. based in Fairfield, Iowa. specializing in Clinical Social Worker. They hold the professional credentials LMSW. They hold a License No. 008140 (IA). The NPI Number for CLAUDIA MAST (LMSW) is 1194296905

Main info

Female
Sole Proprietor
17 Years Of Experience
Accepts Medicare Assignment
Name
CLAUDIA MAST (LMSW)
NPI
1194296905
Phone
(641) 472-5771
Address
301 W BURLINGTON AVE
Enumeration Date
6 December 2018
Last Update Date
6 December 2018

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3195243185
Graduation Year
2009 (17 years ago)
PAC ID
2264768795
Group Practice PAC ID
8022912211
Professional Enrollment ID
I20190722002895
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience28
Completeness75
Years active:7State licenses:1Digital endpointsOther names

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Provider Addresses for CLAUDIA MAST (LMSW)

  • West Burlington Avenue, Fairfield, Jefferson County, Iowa, 52557, United States

    FAIRFIELD, IA 525563242

    Phone: (641) 472-5771

    Type: Mailing

  • Fairfield, Browns Lake, Town of Burlington, Racine County, Wisconsin, 53105, United States

    FAIRFIELD, IA 525565255

    Phone: (641) 472-5771

    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: 2019-07-22

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
I20190722002895IClinical Social WorkerIATBD

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 52556)

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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: 8022912211View full group profile
NameSpecialtyState
-IA
Mental Health CounselorIA
Mental Health CounselorIA
Nurse PractitionerIA
Nurse PractitionerIA
Mental Health CounselorIA
Nurse PractitionerIA
Mental Health CounselorIA
Nurse PractitionerIA
Nurse PractitionerIA

Reviews

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Frequently asked questions

How do I look up CLAUDIA MAST (LMSW) by NPI?
Use NPI 1194296905 when you need to reference CLAUDIA MAST (LMSW) in forms, claims, or directories.
Is CLAUDIA MAST (LMSW)'s NPI currently valid?
The extract we use shows CLAUDIA MAST (LMSW) as active.
Does CLAUDIA MAST (LMSW) list a primary specialty?
If you are matching referrals, note Clinical Social Worker for CLAUDIA MAST (LMSW). Clinical services aligned with this taxonomy classification.
Where does public data place CLAUDIA MAST (LMSW)?
The snapshot lists Fairfield, Iowa for CLAUDIA MAST (LMSW); download NPPES for the complete set.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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