Diane M. Johnson, OT
Occupational Therapist · Janesville, WI
Diane M. Johnson, OT is an occupational therapist with a practice address in Janesville, Wisconsin, and NPI 1649309527, issued on Mar 5, 2007. Check the license (Wisconsin 4091, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Diane M. Johnson
- Credential
- OT
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 4091 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mineral Point Ave, Janesville, WI 53548
- Phone
- (608) 756-6000
- Enumerated
- Mar 5, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 3,827 in Wisconsin → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diane M. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Diane M. Johnson among 3,827 occupational therapist records in Wisconsin
Diane M. Johnson, OT is one of 3,827 occupational therapist records with a practice address in Wisconsin. 10% 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 74% newer
- In a Medicare fileNo · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 occupational therapist records list a practice address in Janesville
They are 55 of the 1,538 NPPES records with a practice address in Janesville, and 3,827 occupational therapist records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,827 in Wisconsin → Every provider in Janesville → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Heidi Alderman, OTJanesville, WI 535481023169737
- Kristin Borgerding, OTJanesville, WI 535481225189947
- Lisa Brickler, OTJanesville, WI 535481780766113
- Karla Keller, OTJanesville, WI 535481578615217
- Karen Lee, OTJanesville, WI 535481093848228
- Darcie Olson, OTJanesville, WI 535481235281973
- Karen Saunders, OTJanesville, WI 535481023141256
- Todd Schell, OTJanesville, WI 535481801927587
Common questions
What is Diane M. Johnson, OT's NPI number?
Diane M. Johnson, OT's National Provider Identifier (NPI) is 1649309527, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diane M. Johnson, OT located?
The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6000. Providers update this record themselves, so call before visiting.
How can I verify Diane M. Johnson, OT's license?
NPPES lists Wisconsin license number 4091, as entered by the provider. Search the Wisconsin 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.