Dr. Andrew Christopher Riga, MD
- Part D claims, 2024
- 81
- Hospital affiliations
- 1
- Industry payments
- $5,163
- Medical groups
- 2
- State license
- 1
- Practice address
- 2000 Howard Farm Drive, Suite T100, Cumming, GA 30041
- Practice phone
- Call (470) 839-9200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Total Joint Surgery Center - Cumming
Surgery Center - Medicare-Certified · Cumming, Georgia
Find Dr. Riga'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. Andrew Christopher Riga is an orthopedic surgeon in Cumming, Georgia
Dr. Riga practices at Total Joint Surgery Center - Cumming in Cumming, Georgia.
Dr. Riga's NPI, 1740741537, was assigned on March 26, 2019. Dr. Riga holds Florida license TRN28623.
- NPI
- 1740741537NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406217587
- NPI enumeration date
- March 26, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (470) 839-9200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Christopher Riga practices at Total Joint Surgery Center - Cumming in Cumming, Georgia
Dr. Riga's primary practice is Total Joint Surgery Center - Cumming, at 2000 Howard Farm Drive, Suite T100, Cumming, GA 30041. The practice phone is (470) 839-9200.
- Total Joint Surgery Center - Cumming2000 Howard Farm Drive, Suite T100, Cumming, GA 30041Phone(470) 839-9200
Source: Dmand AI Affiliation Data
Dr. Andrew Christopher Riga is affiliated with 3 sites of care and 2 medical groups
Dr. Riga's primary practice is Total Joint Surgery Center - Cumming in Cumming, Georgia. Dr. Riga is also affiliated with Northside Hospital Forsyth. The medical group on file is Select Physical Therapy. Dmand AI also links Dr. Riga to 1 more 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 Dr. Andrew Christopher Riga's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riga practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Total Joint Surgery Center - Cumming | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew Christopher Riga is one of 659 orthopedic surgeons in Georgia
Orthopaedic surgery is Dr. Riga's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Riga is licensed in Florida.
Specialties and state licenses
- Orthopaedic surgery, FloridaPrimary
Orthopedic surgeons near Dr. Riga
Counts of orthopedic surgeons 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. Andrew Christopher Riga's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Riga's median patient age at 57, with 65% women.
Dr. Riga's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women65%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Andrew Christopher Riga wrote 81 Medicare Part D claims in 2024
In 2024, Dr. Riga wrote 81 Medicare Part D claims for 25 patients. 100% of them were for generic drugs. CMS names the drug for 56 of them, across 4 drugs with 11 or more claims each, at $479 in total drug cost. In 2020, CMS named 27 claims across 2 drugs.
Dr. Riga'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. Riga's Part D claims, 2024
- Opioids17%14 of 81 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, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 272024: 56107%
Drugs named by CMS: 4 in 2024, 2 in 2020.
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
How Dr. Andrew Christopher Riga takes part in Medicare
Dr. Riga accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Andrew Christopher Riga received $5,163 in industry payments from 2024 to 2025
CMS Open Payments shows 23 general payments to Dr. Riga from 6 drug and device companies from 2024 to 2025. Grants make up the largest share, 65% of the total. Smith & Nephew, Inc. paid the most, $3,747.
General payments to Dr. Riga by program year, 2024 to 2025
General payments to Dr. Riga by kind, 2024 to 2025
- Grants$3,33365%
- Travel and lodging$88817%
- Food and beverage$66813%
- Education$2735%
Companies that paid Dr. Riga the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Andrew Christopher Riga'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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Andrew Christopher Riga
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. Andrew Christopher Riga's NPI number?
Dr. Andrew Christopher Riga's NPI number is 1740741537. It was assigned on March 26, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Christopher Riga?
Dr. Andrew Christopher Riga is an orthopedic surgeon in Cumming, Georgia. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Andrew Christopher Riga practice?
Dr. Riga practices at 2000 Howard Farm Drive, Suite T100, Cumming, GA 30041. Dr. Riga's primary practice is Total Joint Surgery Center - Cumming in Cumming, Georgia. Dmand AI also links Dr. Riga to 1 group practice or clinic and 1 medical group.
What is Dr. Andrew Christopher Riga's office phone number?
The practice phone on file for Dr. Riga is (470) 839-9200.
What is Dr. Andrew Christopher Riga's medical license number?
Dr. Riga holds Florida license TRN28623.
Which hospitals is Dr. Andrew Christopher Riga affiliated with?
Dr. Riga is affiliated with Northside Hospital Forsyth.
What medical group is Dr. Andrew Christopher Riga part of?
Dr. Riga is linked to Select Physical Therapy. Dmand AI links Dr. Riga to 1 more medical group.
Does Dr. Andrew Christopher Riga accept Medicare?
Yes. CMS lists Dr. Riga as accepting Medicare assignment.
What drugs does Dr. Andrew Christopher Riga prescribe most?
In 2024 Medicare Part D data, Dr. Riga's most prescribed drugs by claims were Cyclobenzaprine HCl, Gabapentin and Oxycodone-Acetaminophen.
Has Dr. Andrew Christopher Riga received payments from drug or device companies?
CMS Open Payments shows $5,163 in general payments to Dr. Riga from 6 companies from 2024 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Andrew Christopher Riga been practicing?
Dr. Riga graduated from medical school in 2019, 7 years ago.
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