Doctor profile · Federal record
Dr. Douglas Riegert-Johnson, MD
Gastroenterology Physician (CMS: Gastroenterology) · Jacksonville, FL
- NPI 1609840768
- Accepts Medicare
- MIPS 76.2 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4500 San Pablo RD S
Jacksonville, FL 322241865
(904) 953-2000
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- August 28, 2020
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Florida #ME101296
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609840768. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
650
Distinct HCPCS
10
Medicare allowed
$84,111
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 104 | 104 | $257 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 104 | 97 | $127 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 83 | 80 | $102 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 81 | 74 | $89 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 63 | 62 | $6 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 28 | 28 | $167 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 27 | 27 | $120 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 26 | 26 | $112 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 19 | 18 | $179 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 17 | 17 | $102 |
In context: peer comparison
Among 44 peers in Jacksonville Gastroenterology Physician, average services per provider: 115. This provider delivers 5.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
29
Patients
11
Total drug cost
$34,138
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Creon (Lipase/Protease/Amylase) | Brand | 18 | 0 | $33,230 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 11 | 11 | $909 |
Hospital affiliations
Frequently asked questions
What is Dr. Douglas Riegert-Johnson's medical specialty?
Dr. Douglas Riegert-Johnson practices Gastroenterology Physician in Jacksonville, FL.
Where does Dr. Douglas Riegert-Johnson practice?
Dr. Douglas Riegert-Johnson practices at 4500 San Pablo RD S, Jacksonville, FL 322241865. Office phone: 9049532000.
What is Dr. Douglas Riegert-Johnson's NPI?
Dr. Douglas Riegert-Johnson's National Provider Identifier (NPI) is 1609840768, issued by NPPES.
Does Dr. Douglas Riegert-Johnson accept Medicare assignment?
Yes. Dr. Douglas Riegert-Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Riegert-Johnson commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.