Mary Louise Kerwin, DO
Psychiatry Physician · Jupiter, FL
Mary Louise Kerwin, DO is a psychiatry physician with a practice address in Jupiter, Florida, and NPI 1003490814, issued on May 7, 2021. Check the license (Florida OS20674, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Mary Louise Kerwin
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- OS20674 FL
Self-reported in NPPES; status is on the state search - Practice location
- 110 Front St, Jupiter, FL 33477
- Phone
- (561) 379-4232
- Enumerated
- May 7, 2021
- Record last updated
- Jan 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20260114001528); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,744 in Florida → Look up another NPI →
Also registered at 110 Front St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jose Barreau, M.D.Hematology & Oncology Physician1083652655
Verify Mary Louise Kerwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS20674Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $369.61
18 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Golden Years Behavioral Center CorpMiami, FL
- Grow Healthcare Group PAMiami, FL
- LA Sagrada Familia Medical Center IncMiami, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Louise Kerwin among 2,744 psychiatry physician records in Florida
Mary Louise Kerwin, DO is one of 2,744 psychiatry physician records with a practice address in Florida. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2020 · median 2003 among the 1,283 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Florida
There are 2,744 psychiatry physician records in Florida.
All 2,744 in Florida → Every provider in Jupiter → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Julie Gorman, D.O.Jupiter, FL 334771538325147
- Thomas Jordan, M.D., M.P.H.Jupiter, FL 334771831192293
- Heidi Lahteenmaa, DOSouth Palm Beach, FL 334801770859845
- Cindy Lookabaugh, M.D.Palm Beach, FL 334801699897520
- Neville Marks, M.D.Palm Beach, FL 334801629194006
- Carter Pottash, MDPalm Beach, FL 334801598839110
- Mark Walker, M.DPalm Beach, FL 334801427318864
- Michael Fruchter, MDBoynton Beach, FL 334721417272246
Common questions
What is Mary Louise Kerwin, DO's NPI number?
Mary Louise Kerwin, DO's National Provider Identifier (NPI) is 1003490814, issued on May 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Louise Kerwin, DO located?
The NPPES record lists a practice address at 110 Front St, Jupiter, FL, 33477. Phone: (561) 379-4232. Providers update this record themselves, so call before visiting.
How can I verify Mary Louise Kerwin, DO's license?
NPPES lists Florida license number OS20674, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.