Robert Joshua Alexander
Physical Therapist · Castle Rock, WA
Robert Joshua Alexander is a physical therapist with a practice address in Castle Rock, Washington, and NPI 1720753049, issued on Aug 9, 2021. Check the license (Washington PT70030755, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Joshua Alexander
- Primary taxonomy
- Physical Therapist 225100000X
- License numbers
- PT70030755 WA
P22709 NC
CP048952T DE
CP050457T GA
CP047005T SC
and 1 more
Self-reported in NPPES; status is on the state search - Practice location
- 51 Cowlitz St W, Castle Rock, WA 98611
- Phone
- (360) 374-4550
- Enumerated
- Aug 9, 2021
- Record last updated
- Oct 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20251231002069); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 51 Cowlitz St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Dudenhofer, P.T.Physical Therapist1952650186
Verify Robert Joshua Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PT70030755Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 5 group practices
- Agilitas USA, IncAlpharetta, GA
- Benchmark Physical Therapy OF Delaware LLCMillsboro, DE
- Benchmark Physical Therapy OF North Carolina, LLCClayton, NC
- Independent Physical Therapy OF Georgia LLCMarietta, GA
- Northwest Center For Sports Medicine And Physical Therapy IncCastle Rock, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
4 physical therapist records list a practice address in Castle Rock
They are 4 of the 43 NPPES records with a practice address in Castle Rock, and 7,493 physical therapist records in Washington.
All 4 in Castle Rock → All 7,493 in Washington → Every provider in Castle Rock →
Other physical therapist records in Washington
- Kaitlyn Aakre, DPTBellevue, WA1780084897
- Lance Aalbu, MPT, CSCSMarysville, WA1003825043
- Brian Aasby, D.P.T.Everson, WA1679866594
- Clarissa Abadesco, DPTSeattle, WA1073226205
- Romeen Abdollmohammadi, DPTOak Harbor, WA1235530783
- Barvin Abdul MohideenEverett, WA1609645571
- Thomas AblanKelso, WA1336391705
- Jaime Ablutz, MPT, CSCS, OCS, CMPTSeattle, WA1598804106
- Gabrielle Abrahamsen, DPTTacoma, WA1003264771
- Kiara Abrams, DPTLiberty Lake, WA1336901487
Common questions
What is Robert Joshua Alexander's NPI number?
Robert Joshua Alexander's National Provider Identifier (NPI) is 1720753049, issued on Aug 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Robert Joshua Alexander located?
The NPPES record lists a practice address at 51 Cowlitz St W, Castle Rock, WA, 98611. Phone: (360) 374-4550. Providers update this record themselves, so call before visiting.
How can I verify Robert Joshua Alexander's license?
NPPES lists Washington license number PT70030755, as entered by the provider. Search the Washington 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. Medicare files from data.cms.gov. 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.