James C. Rieger, OD
- Medicare patients, 2024
- 1,213
- Part D claims, 2024
- 593
- MIPS score, 2024
- 75
- Industry payments
- $167
- Affiliated sites
- 2
- Practice address
- 1815 Clarkson Road, Suite 103, Chesterfield, MO 63017
- Practice phone
- Call (636) 534-5101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MidAmerica Surgery Center - Chesterfield
Surgery Center - Medicare-Certified · Chesterfield, Missouri
Find James Rieger'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.
James C. Rieger is an optometrist in Chesterfield, Missouri
James Rieger practices at MidAmerica Surgery Center - Chesterfield in Chesterfield, Missouri.
James Rieger's NPI, 1205828514, was assigned on August 22, 2005. James Rieger graduated from University of Missouri St Louis - School of Optometry in 1989. James Rieger holds Missouri license T02866.
- NPI
- 1205828514NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648395046
- NPI enumeration date
- August 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 534-5101
- 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)
James C. Rieger practices at MidAmerica Surgery Center - Chesterfield in Chesterfield, Missouri
James Rieger's primary practice is MidAmerica Surgery Center - Chesterfield, at 1815 Clarkson Road, Suite 103, Chesterfield, MO 63017. The practice phone is (636) 534-5101.
- MidAmerica Surgery Center - Chesterfield1815 Clarkson Road, Suite 103, Chesterfield, MO 63017Phone(636) 534-5101
Source: Dmand AI Affiliation Data
James C. Rieger is affiliated with 2 sites of care and 1 medical group
James Rieger's primary practice is MidAmerica Surgery Center - Chesterfield in Chesterfield, Missouri. Dmand AI also links James Rieger to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James C. Rieger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Rieger practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MidAmerica Surgery Center - Chesterfield | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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James C. Rieger is one of 866 optometrists in Missouri
Optometrist is James Rieger's primary specialty in the NPI Registry, under taxonomy code 152W00000X. James Rieger is licensed in Missouri.
Specialties and state licenses
- Optometrist, MissouriPrimary
Optometrists near James Rieger
Counts of optometrists 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
James C. Rieger treated 1,213 Medicare patients in 2024, average age 75
CMS counts 1,213 Medicare patients who saw James Rieger in 2024. The largest group is 65 to 74, with 590 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 1% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts James Rieger's median patient age at 71, with 55% women.
James Rieger's Medicare patients by age, 2024
James Rieger's Medicare patients by sex, 2024
- Women68256%
- Men53144%
Chronic conditions among James Rieger's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis46%
- Ischemic heart disease19%
- Diabetes18%
- Anxiety17%
- Cancer17%
- Chronic kidney disease16%
Share of Medicare patients with each condition. A patient can have several.
James Rieger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James C. Rieger wrote 593 Medicare Part D claims in 2024
In 2024, James Rieger wrote 593 Medicare Part D claims for 282 patients. 33% of them were for generic drugs.
James Rieger's Part D claims by kind of drug, 2024
- Generic197 claims33%
- Brand-name396 claims67%
Drug classes CMS tracks in James Rieger's Part D claims, 2024
- Antibiotics4%26 of 593 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
James C. Rieger scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for James Rieger for performance year 2024, reported as part of a group. James Rieger accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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James C. Rieger received $167 in industry payments in 2025
CMS Open Payments shows 7 general payments to James Rieger from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Dompe US, Inc. paid the most, $29.
Companies that paid James Rieger the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James C. Rieger graduated from University of Missouri St Louis - School of Optometry
James Rieger graduated from University of Missouri St Louis - School of Optometry in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James C. Rieger'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 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 (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)Clinician Public Reporting: Overall MIPS Performance (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 James C. Rieger
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James C. Rieger's NPI number?
James C. Rieger's NPI number is 1205828514. It was assigned on August 22, 2005, and it is active in the NPI Registry.
What does James C. Rieger specialize in?
James C. Rieger is an optometrist in Chesterfield, Missouri. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does James C. Rieger practice?
James Rieger practices at 1815 Clarkson Road, Suite 103, Chesterfield, MO 63017. James Rieger's primary practice is MidAmerica Surgery Center - Chesterfield in Chesterfield, Missouri. Dmand AI also links James Rieger to 1 group practice or clinic and 1 medical group.
What is James C. Rieger's office phone number?
The practice phone on file for James Rieger is (636) 534-5101.
What is James C. Rieger's medical license number?
James Rieger holds Missouri license T02866.
Does James C. Rieger accept Medicare?
Yes. CMS lists James Rieger as accepting Medicare assignment.
What is James C. Rieger's MIPS score?
James Rieger's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does James C. Rieger see?
CMS counts 1,213 Medicare patients who saw James Rieger in 2024, with an average age of 75.
Where did James C. Rieger go to medical school?
James Rieger graduated from University of Missouri St Louis - School of Optometry in 1989.
Has James C. Rieger received payments from drug or device companies?
CMS Open Payments shows $167 in general payments to James Rieger from 7 companies from 2025 to 2025. The largest total came from Dompe US, Inc.
How long has James C. Rieger been practicing?
James Rieger graduated from medical school in 1989, 37 years ago.
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