Jonathan Isen, OTR/L
Occupational Therapist · Gaithersburg, MD
Jonathan Isen, OTR/L is an occupational therapist with a practice address in Gaithersburg, Maryland, and NPI 1972946911, issued on Apr 9, 2013. Check the license (Maryland 06808, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jonathan Isen
- Credential
- OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 06808 MD
Self-reported in NPPES; status is on the state search - Practice location
- 301 Russell Ave, Gaithersburg, MD 20877
- Phone
- (301) 216-4248
- Enumerated
- Apr 9, 2013
- Record last updated
- Mar 7, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 2,933 in Maryland → Look up another NPI →
Also registered at 301 Russell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Ashby, OTOccupational Therapist1831260231
- Jessica Barnes, PTAPhysical Therapy Assistant1417028200
- Jannelle Barrow, PTPhysical Therapist1003017625
- Jaimala BhagtaniPhysical Therapist1376860411
- Rejoice CarpioPhysical Therapist1336607316
- Marianne De CastroOccupational Therapist1649713736
Verify Jonathan Isen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 06808Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jonathan Isen among 2,933 occupational therapist records in Maryland
Jonathan Isen, OTR/L is one of 2,933 occupational therapist records with a practice address in Maryland. 11% 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 2013, is newer than 32% of them.
- NPI issued2013 · 32% of these records are older, 64% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2019 · 67% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 occupational therapist records list a practice address in Gaithersburg
They are 30 of the 2,580 NPPES records with a practice address in Gaithersburg, and 2,933 occupational therapist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,933 in Maryland → Every provider in Gaithersburg → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Maytal Adato, OTR/LGaithersburg, MD 208771730658378
- Jennifer Ashby, OTGaithersburg, MD 208771831260231
- Jennifer Connor, O.T.Gaithersburg, MD 208771962581553
- Catherine DaveyGaithersburg, MD 208771962100735
- Marianne De CastroGaithersburg, MD 208771649713736
- Misagh DorostGaithersburg, MD 208771336658939
- Ariela Fuchs, MS, OTGaithersburg, MD 208771487126314
- Steven Giannotti, OTR/LGaithersburg, MD 208771629084637
Common questions
What is Jonathan Isen, OTR/L's NPI number?
Jonathan Isen, OTR/L's National Provider Identifier (NPI) is 1972946911, issued on Apr 9, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Isen, OTR/L located?
The NPPES record lists a practice address at 301 Russell Ave, Gaithersburg, MD, 20877. Phone: (301) 216-4248. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Isen, OTR/L's license?
NPPES lists Maryland license number 06808, as entered by the provider. Search the Maryland 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.