NPPES file of Aug 9, 2026

Erin Hartmann

Physical Therapy Assistant · Castro Valley, CA

Erin Hartmann is a physical therapy assistant with a practice address in Castro Valley, California, and NPI 1255641726, issued on Oct 18, 2010. Check the license (California 9351, as entered in NPPES) 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
1255641726
Name
Erin Hartmann
Primary taxonomy
Physical Therapy Assistant 225200000X
License number
9351 CA
Self-reported in NPPES; status is on the state search
Practice location
20994 Redwood RD, Castro Valley, CA 94546
Phone
(510) 885-9840
Enumerated
Oct 18, 2010
Record last updated
Oct 18, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(510) 885-1537
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.
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Also registered at 20994 Redwood RD

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

  1. Michelle Crane, PTAPhysical Therapy Assistant1669784799
  2. Jonathon Hall, PTAPhysical Therapy Assistant1033542469

Verify Erin Hartmann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 9351
    Check 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

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Physical Therapy Assistant providers in California

There are 3,554 physical therapy assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other physical therapy assistant records in California

  1. Teresa Aagaard, P.T.A.Camarillo, CA1386924710
  2. Lindsay AaronOrange, CA1104214303
  3. Marita Abad, PTALos Angeles, CA1407361017
  4. Diego Abbes, PTATemecula, CA1114315496
  5. Grant Abbuhl, PTAConcord, CA1063933174
  6. Louis Abe, PTAYuba City, CA1437311545
  7. Kelsey Abear, PTASanta Rosa, CA1629950852
  8. Justin Anthony AbellanosaBuena Park, CA1073005526
  9. John Warren AbendanoMontebello, CA1154719607
  10. Gilbert AbilayGilroy, CA1356199103

Common questions

What is Erin Hartmann's NPI number?

Erin Hartmann's National Provider Identifier (NPI) is 1255641726, issued on Oct 18, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Erin Hartmann located?

The NPPES record lists a practice address at 20994 Redwood RD, Castro Valley, CA, 94546. Phone: (510) 885-9840. Providers update this record themselves, so call before visiting.

How can I verify Erin Hartmann's license?

NPPES lists California license number 9351, as entered by the provider. 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.