Douglas Riegert-Johnson, MD
Gastroenterology Physician · Jacksonville, FL
Douglas Riegert-Johnson, MD is a gastroenterology physician with a practice address in Jacksonville, Florida, and NPI 1609840768, issued on Feb 15, 2006. Check the license (Florida ME101296, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Douglas Riegert-Johnson
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- ME101296 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4500 San Pablo RD S, Jacksonville, FL 32224
- Phone
- (904) 953-2000
- Enumerated
- Feb 15, 2006
- Record last updated
- Aug 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080828000113); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,513 in Florida → Look up another NPI →
Also registered at 4500 San Pablo RD S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Douglas Riegert-Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME101296Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average gastroenterology physician in 2024
111 Medicare Part D claims for 46 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Omeprazole14 claims
- Pantoprazole Sodium12 claims
- Sod Sulf-Potass Sulf-Mag Sulf11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mayo Clinic JacksonvilleJacksonville, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Riegert-Johnson among 1,513 gastroenterology physician records in Florida
Douglas Riegert-Johnson, MD is one of 1,513 gastroenterology physician records with a practice address in Florida. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 45% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1999 · median 2000 among the 1,156 with a school on file
- Record last updated2020 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Florida
There are 1,513 gastroenterology physician records in Florida.
All 1,513 in Florida → Every provider in Jacksonville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ernest Bouras, MDJacksonville, FL 322241750370623
- Denise Harnois, DOJacksonville, FL 322241710976683
- Andrew Keaveny, MDJacksonville, FL 322241346239217
- Stephen Lange, MDJacksonville, FL 322241528057494
- Michele Lewis, MDJacksonville, FL 322241134118003
- David Loeb, MDJacksonville, FL 322241891784773
- Michael Picco, MDJacksonville, FL 322241972592855
- Massimo Raimondo, MDJacksonville, FL 322241508855487
Common questions
What is Douglas Riegert-Johnson, MD's NPI number?
Douglas Riegert-Johnson, MD's National Provider Identifier (NPI) is 1609840768, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Riegert-Johnson, MD located?
The NPPES record lists a practice address at 4500 San Pablo RD S, Jacksonville, FL, 32224. Phone: (904) 953-2000. Providers update this record themselves, so call before visiting.
How can I verify Douglas Riegert-Johnson, MD's license?
NPPES lists Florida license number ME101296, 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.
How much does Douglas Riegert-Johnson, MD prescribe under Medicare Part D?
In 2024, Douglas Riegert-Johnson, MD had 111 Medicare Part D claims for 46 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Douglas Riegert-Johnson, MD's MIPS final score?
The 2023 MIPS final score is 76.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.