Mary Degroot, DO
Internal Medicine Physician · Naples, FL
Mary Degroot, DO is an internal medicine physician with a practice address in Naples, Florida, and NPI 1023647708, issued on Apr 5, 2020. Check the license on the Florida health license search; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Degroot
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 39636 CT
Self-reported in NPPES; status is on the state search - Practice location
- 350 Willet Ave, Naples, FL 34108
- Phone
- (239) 222-9081
- Enumerated
- Apr 5, 2020
- Record last updated
- Apr 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 350 Willet Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Juda, M.D.Critical Care Medicine (Anesthesiology) Physician1912998709
Verify Mary Degroot in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license searchCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Degroot among 10,151 internal medicine physician records in Florida
Mary Degroot, DO is one of 10,151 internal medicine physician records with a practice address in Florida. 84% 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 2020, is newer than 86% of them.
- NPI issued2020 · 86% of these records are older, 11% newer
- In a Medicare fileNo · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2020 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
208 internal medicine physician records list a practice address in Naples
They are 208 of the 5,950 NPPES records with a practice address in Naples, and 10,151 internal medicine physician records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10,151 in Florida → Every provider in Naples → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Celeste Amaya, M.D.Naples, FL 341081790718062
- Diane Brzezinski, D.O.Naples, FL 341081447301544
- Craig Davis, MD, FACPNaples, FL 341081598743957
- Michael Hellman, D.O.Naples, FL 341081053872077
- Rebecca Rock, MDNaples, FL 341081629223078
- Lina Sakr, M.D.Naples, FL 341081366469199
- Cristina Sciavolino-Day, MDNaples, FL 341081114935624
- Robin Smith, M.D.Naples, FL 341081619941812
Common questions
What is Mary Degroot, DO's NPI number?
Mary Degroot, DO's National Provider Identifier (NPI) is 1023647708, issued on Apr 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mary Degroot, DO located?
The NPPES record lists a practice address at 350 Willet Ave, Naples, FL, 34108. Phone: (239) 222-9081. Providers update this record themselves, so call before visiting.
How can I verify Mary Degroot, DO's license?
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. 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.