David Ritzenthaler, PT
Physical Therapist · Portage, MI
David Ritzenthaler, PT is a physical therapist with a practice address in Portage, Michigan, and NPI 1184861676, issued on Jan 21, 2009. Check the license (Michigan 5501014270, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David Ritzenthaler
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 5501014270 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5717 Oakland Dr, Portage, MI 49024
- Phone
- (269) 488-8360
- Enumerated
- Jan 21, 2009
- Record last updated
- May 6, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (269) 488-8359
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 9,592 in Michigan → Look up another NPI →
Also registered at 5717 Oakland Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Angela Brannen, FNP-CFamily Nurse Practitioner1801385240
- Maribeth Henry, DPTPhysical Therapist1558720615
- Joshua Kettlewell, PT, DPTPhysical Therapist1568811065
Verify David Ritzenthaler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5501014270Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David Ritzenthaler among 9,592 physical therapist records in Michigan
David Ritzenthaler, PT is one of 9,592 physical therapist records with a practice address in Michigan. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 23% of them.
- NPI issued2009 · 23% of these records are older, 74% newer
- In a Medicare fileNo · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 32% of these records are
- Record last updated2016 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 physical therapist records list a practice address in Portage
They are 63 of the 1,492 NPPES records with a practice address in Portage, and 9,592 physical therapist records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,592 in Michigan → Every provider in Portage → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Melanie BaumgartPortage, MI 490241427152065
- Sneha BodaPortage, MI 490241457484578
- Andrew Fate, MS, PTPortage, MI 490241164477121
- Mary-Teresa Fletter, M.S.P.T.Portage, MI 490241689791014
- Kathy Koob, M.P.T.Portage, MI 490241417074600
- Harry Lekosiotis, P.T.Portage, MI 490241407842297
- Neal McCrum, MSPTPortage, MI 490241215030556
- Aimee ReasonerPortage, MI 490241508059841
Common questions
What is David Ritzenthaler, PT's NPI number?
David Ritzenthaler, PT's National Provider Identifier (NPI) is 1184861676, issued on Jan 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David Ritzenthaler, PT located?
The NPPES record lists a practice address at 5717 Oakland Dr, Portage, MI, 49024. Phone: (269) 488-8360. Providers update this record themselves, so call before visiting.
How can I verify David Ritzenthaler, PT's license?
NPPES lists Michigan license number 5501014270, as entered by the provider. Search the Michigan 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.