NPPES file of Aug 9, 2026

Tammy Ann Walczak

Case Manager/Care Coordinator · Sonora, CA

Tammy Ann Walczak is a case manager/care coordinator with a practice address in Sonora, California, and NPI 1184876047, issued on Oct 22, 2008. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184876047
Name
Tammy Ann Walczak
Primary taxonomy
Case Manager/Care Coordinator 171M00000X
Practice location
105 Hospital RD, Sonora, CA 95370
Phone
(209) 533-6245
Enumerated
Oct 22, 2008
Record last updated
Nov 2, 2022
Fax
(209) 669-2588
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 105 Hospital RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Erica AlbaneseCase Manager/Care Coordinator1437925203
  2. Rebecca Ames-BlockAddiction (Substance Use Disorder) Counselor1841973724
  3. Amanda AndersonCounselor1912763855
  4. Margaret AvilaMarriage & Family Therapist1629843107
  5. Elizabeth BeutterStudent in an Organized Health Care Education/Training Program1417207481
  6. Tristen BogueCase Manager/Care Coordinator1760972723

Verify Tammy Ann Walczak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

46 case manager/care coordinator records list a practice address in Sonora

They are 46 of the 629 NPPES records with a practice address in Sonora, and 22,803 case manager/care coordinator records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other case manager/care coordinator records in California

  1. Nevin AaronBakersfield, CA1891306130
  2. Claudia AbadRiverside, CA1871151019
  3. Hannah Cristine AbadOceanside, CA1538944020
  4. Rebecca AbairBakersfield, CA1255468823
  5. Jennifer AbapoBakersfield, CA1871823450
  6. David AbarcaLos Angeles, CA1730305426
  7. Sophia AbarcaMadera, CA1376027755
  8. Leslie AbareaSan Bernardino, CA1407399330
  9. Alfredo Abarien Tos, MALos Angeles, CA1245441104
  10. Lisa AbarrSouth San Francisco, CA1669948725

Common questions

What is Tammy Ann Walczak's NPI number?

Tammy Ann Walczak's National Provider Identifier (NPI) is 1184876047, issued on Oct 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tammy Ann Walczak located?

The NPPES record lists a practice address at 105 Hospital RD, Sonora, CA, 95370. Phone: (209) 533-6245. Providers update this record themselves, so call before visiting.

How can I verify Tammy Ann Walczak's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.