NPPES file of Aug 9, 2026

Mark S. Flynn, PSY.D

Psychologist · Orange Park, FL

Mark S. Flynn, PSY.D is a psychologist with a practice address in Orange Park, Florida, and NPI 1972657153, issued on Jan 23, 2007. Check the license (Florida PY7164, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972657153
Name
Mark S. Flynn
Credential
PSY.D
Primary taxonomy
Psychologist 103T00000X
License numbers
PY7164 FL
PY 7164 FL
Self-reported in NPPES; status is on the state search
Practice location
1543 Kingsley Ave, Orange Park, FL 32073
Phone
(904) 269-3324
Enumerated
Jan 23, 2007
Record last updated
Jul 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(904) 264-2302
Medicare enrollment
Enrolled (PECOS I20080711000052); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychologist records → All 2,202 in Florida → Look up another NPI →

Also registered at 1543 Kingsley Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashraf Andrawis, MDPain Medicine Physician1568445666
  2. Roy Britt, LMHCMental Health Counselor1710905328
  3. Cheryl Carlyon, L.M.H.C.Mental Health Counselor1437206281
  4. Minor Chamblin, PH.DPsychologist1124175815
  5. Theresa Crockett, L.M.H.C.Mental Health Counselor1164571683
  6. William Hughes, L.M.H.C.Mental Health Counselor1407903107

Verify Mark S. Flynn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license PY7164    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Krop-Neidigh PAOrange Park, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark S. Flynn among 2,202 psychologist records in Florida

Mark S. Flynn, PSY.D is one of 2,202 psychologist records with a practice address in Florida. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 24% of them.

  • NPI issued2007 · 24% of these records are older, 61% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2003 · median 2003 among the 464 with a school on file
  • Record last updated2019 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Florida

There are 2,202 psychologist records in Florida.

All 2,202 in Florida → Every provider in Orange Park → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Minor Chamblin, PH.DOrange Park, FL 320731124175815
  2. Darah Granger-PorterOrange Park, FL 320731588922777
  3. James Penrod, PH.D.Orange Park, FL 320731669547170
  4. Johann Prewett, PH.D.Orange Park, FL 320731972539690
  5. Barbara Stuart, PHDOrange Park, FL 320731811778798
  6. Paul Tullis, PH.D.Middleburg, FL 320681285066126
  7. Nakisha Carrasquillo-Richardson, L. P.St Augustine, FL 320801407390529
  8. Michele Brenneman, PH.D.Ponte Vedra, FL 320811922458686

Common questions

What is Mark S. Flynn, PSY.D's NPI number?

Mark S. Flynn, PSY.D's National Provider Identifier (NPI) is 1972657153, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark S. Flynn, PSY.D located?

The NPPES record lists a practice address at 1543 Kingsley Ave, Orange Park, FL, 32073. Phone: (904) 269-3324. Providers update this record themselves, so call before visiting.

How can I verify Mark S. Flynn, PSY.D's license?

NPPES lists Florida license number PY7164, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.