Dr. Ronald D. Rinker, MD
- Medicare services, 2024
- 1,542
- Medicare patients, 2024
- 933
- Part D claims, 2024
- 4,229
- Hospital affiliations
- 2
- Industry payments
- $4,129
- Practice address
- 3301 Bienville Blvd, Ocean Springs, MS 39564
- Practice phone
- Call (228) 872-8854
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ocean Springs Surgical & Endoscopy Center
Surgery Center - Medicare-Certified · Ocean Springs, Mississippi
Find Dr. Rinker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ronald D. Rinker is a gastroenterologist in Ocean Springs, Mississippi
Dr. Rinker practices at Ocean Springs Surgical & Endoscopy Center in Ocean Springs, Mississippi.
Dr. Rinker's NPI, 1740226117, was assigned on June 22, 2006. Dr. Rinker graduated from Tulane University School of Medicine in 1989. Dr. Rinker holds Mississippi license 13048.
- NPI
- 1740226117NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133132913
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (228) 872-8854
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ronald D. Rinker practices at Ocean Springs Surgical & Endoscopy Center in Ocean Springs, Mississippi
Dr. Rinker's primary practice is Ocean Springs Surgical & Endoscopy Center, at 3301 Bienville Blvd, Ocean Springs, MS 39564. The practice phone is (228) 872-8854.
- Ocean Springs Surgical & Endoscopy Center3301 Bienville Blvd, Ocean Springs, MS 39564Phone(228) 872-8854
Source: Dmand AI Affiliation Data
Dr. Ronald D. Rinker is affiliated with 6 sites of care and 3 medical groups
Dr. Rinker's primary practice is Ocean Springs Surgical & Endoscopy Center in Ocean Springs, Mississippi. Dr. Rinker is also affiliated with Pascagoula Hospital. The medical group on file is Singing River Health System. Dmand AI also links Dr. Rinker to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ronald D. Rinker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rinker practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ocean Springs Surgical & Endoscopy Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald D. Rinker is one of 104 gastroenterologists in Mississippi
Gastroenterology is Dr. Rinker's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Rinker is licensed in Mississippi.
Specialties and state licenses
- Gastroenterology, MississippiPrimary
Gastroenterologists near Dr. Rinker
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ronald D. Rinker billed Medicare for 1,542 services in 2024
CMS data shows 1,542 Medicare services from Dr. Rinker across 14 procedure codes in 2024, for 933 Medicare patients. Medicare paid $119,832 for them.
Dr. Rinker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 7262024: 7919%
- Office and hospital visits
- 2023: 1,1972024: 65545%
- Other services
- 2023: 802024: 791%
- Tests and treatments
- 2023: 02024: 17
- Lab and pathology
- 2023: 122024: 0100%
Where Dr. Rinker's Medicare services took place, 2024
- In an office57437%
- In a facility96863%
Dr. Rinker compared with the Mississippi median for gastroenterologists, 2024
- Dr. Rinker
- Mississippi median
- Medicare services
- 1,542vs 1,15434% above
- Medicare patients
- 933vs 56266% above
- Part D claims
- 4,087vs 1,0044.1 times
Medians across 102 gastroenterologists in Mississippi with Dmand AI profiles that report each measure.
Dr. Rinker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Rinker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rinker and other gastroenterologists in Mississippi.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ronald D. Rinker treated 933 Medicare patients in 2024, average age 74
CMS counts 933 Medicare patients who saw Dr. Rinker in 2024. The largest group is 65 to 74, with 478 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rinker's median patient age at 68, with 50% women.
Dr. Rinker's Medicare patients by age, 2024
Dr. Rinker's Medicare patients by sex, 2024
- Women46650%
- Men46750%
Chronic conditions among Dr. Rinker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes35%
- Ischemic heart disease32%
- Chronic kidney disease31%
- Mood disorders25%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rinker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ronald D. Rinker wrote 4,229 Medicare Part D claims in 2024
In 2024, Dr. Rinker wrote 4,229 Medicare Part D claims for 1,017 patients. 91% of them were for generic drugs. CMS names the drug for 4,087 of them, across 39 drugs with 11 or more claims each, at $898,830 in total drug cost. In 2023, CMS named 3,686 claims across 36 drugs.
Dr. Rinker's Part D claims by kind of drug, 2024
- Generic3,856 claims91%
- Brand-name and other373 claims9%
Dr. Rinker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Rinker's Part D claims, 2024
- Antibiotics2%96 of 4,229 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,6862024: 4,08711%
Drugs named by CMS: 39 in 2024, 36 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ronald D. Rinker ranks in the 99th percentile for colonoscopy in Medicare
Dr. Rinker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 625 procedures of colonoscopy by Dr. Rinker, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Rinker ranks in Medicare procedure volume
- Colonoscopy
- 99th percentile625 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 98th percentile428 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ronald D. Rinker received $4,129 in industry payments from 2016 to 2025
CMS Open Payments shows 249 general payments to Dr. Rinker from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $1,283.
General payments to Dr. Rinker by program year, 2016 to 2025
General payments to Dr. Rinker by kind, 2016 to 2025
- Food and beverage$4,09799%
- Education$321%
Companies that paid Dr. Rinker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ronald D. Rinker graduated from Tulane University School of Medicine
Dr. Rinker graduated from Tulane University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ronald D. Rinker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ronald D. Rinker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ronald D. Rinker's NPI number?
Dr. Ronald D. Rinker's NPI number is 1740226117. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald D. Rinker?
Dr. Ronald D. Rinker is a gastroenterologist in Ocean Springs, Mississippi. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Ronald D. Rinker practice?
Dr. Rinker practices at 3301 Bienville Blvd, Ocean Springs, MS 39564. Dr. Rinker's primary practice is Ocean Springs Surgical & Endoscopy Center in Ocean Springs, Mississippi. Dmand AI also links Dr. Rinker to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Ronald D. Rinker's office phone number?
The practice phone on file for Dr. Rinker is (228) 872-8854.
What is Dr. Ronald D. Rinker's medical license number?
Dr. Rinker holds Mississippi license 13048.
Which hospitals is Dr. Ronald D. Rinker affiliated with?
Dr. Rinker is affiliated with Pascagoula Hospital. Dmand AI links Dr. Rinker to 1 more hospital.
What medical group is Dr. Ronald D. Rinker part of?
Dr. Rinker is linked to Singing River Health System. Dmand AI links Dr. Rinker to 2 more medical groups.
Does Dr. Ronald D. Rinker accept Medicare?
Yes. CMS data shows Dr. Rinker billed Medicare for 1,542 services in 2024, and Dr. Rinker accepts Medicare assignment.
How many Medicare patients does Dr. Ronald D. Rinker see?
CMS counts 933 Medicare patients who saw Dr. Rinker in 2024, with an average age of 74.
What services does Dr. Ronald D. Rinker bill to Medicare?
In 2024, Dr. Rinker's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (45380) and surgery: digestive system (43239).
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Where did Dr. Ronald D. Rinker go to medical school?
Dr. Rinker graduated from Tulane University School of Medicine in 1989.
What drugs does Dr. Ronald D. Rinker prescribe most?
In 2024 Medicare Part D data, Dr. Rinker's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Famotidine.
Has Dr. Ronald D. Rinker received payments from drug or device companies?
CMS Open Payments shows $4,129 in general payments to Dr. Rinker from 30 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Ronald D. Rinker been practicing?
Dr. Rinker graduated from medical school in 1989, 37 years ago.
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