Dr. Richard D. Oh, MD
- Medicare services, 2023
- 71
- Part D claims, 2023
- 74
- MIPS score, 2024
- 95
- Industry payments
- $51,193
- Affiliated sites
- 1
- Practice address
- 3367 S Mercy Rd Suite 210 Suite 210, Gilbert, AZ 85297-7604
- Practice phone
- Call (480) 969-4138
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arizona Advanced Surgery - Gilbert (S Mercy Rd)
Surgical practice · Gilbert, Arizona
Find Dr. Oh's professional email, personal email and mobile number
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Dr. Richard D. Oh is a general surgeon in Gilbert, Arizona
Dr. Oh practices at Arizona Advanced Surgery - Gilbert (S Mercy Rd) in Gilbert, Arizona.
Dr. Oh's NPI, 1477521912, was assigned on March 10, 2006. Dr. Oh holds Arizona license 35956.
- NPI
- 1477521912NPI Registry (opens in a new tab)
- NPI enumeration date
- March 10, 2006
- NPI status
- Active
- Practice phone
- (480) 969-4138
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Richard D. Oh practices at 2 locations in Gilbert, Arizona
Dr. Oh's primary practice is Arizona Advanced Surgery - Gilbert (S Mercy Rd), at 3367 S Mercy Rd Suite 210 Suite 210, Gilbert, AZ 85297-7604. The practice phone is (480) 969-4138. The NPI Registry lists Dr. Oh's practice address as 3555 S Val Vista Dr, Gilbert, AZ 85297.
- Arizona Advanced Surgery - Gilbert (S Mercy Rd)Primary3367 S Mercy Rd Suite 210 Suite 210, Gilbert, AZ 85297-7604Phone(480) 969-4138
- NPI Registry address3555 S Val Vista Dr, Gilbert, AZ 85297 · Maricopa CountyPhone(480) 969-4138
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Richard D. Oh is affiliated with 1 site of care and 1 medical group
Dr. Oh's primary practice is Arizona Advanced Surgery - Gilbert (S Mercy Rd) in Gilbert, Arizona. The medical group on file is Arizona Advanced Surgery.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Richard D. Oh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arizona Advanced Surgery - Gilbert (S Mercy Rd) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Richard D. Oh is one of 617 general surgeons in Arizona
Surgery is Dr. Oh's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Oh is licensed in Arizona.
Specialties and state licenses
- Surgery, ArizonaPrimary
General surgeons near Dr. Oh
Counts of general 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. Richard D. Oh billed Medicare for 71 services in 2023
CMS data shows 71 Medicare services from Dr. Oh across 4 procedure codes in 2023. Medicare paid $9,342 for them.
Dr. Oh's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 992023: 5643%
- Surgery
- 2022: 712023: 1579%
Where Dr. Oh's Medicare services took place, 2023
- In an office5679%
- In a facility1521%
Dr. Oh compared with the Arizona median for general surgeons, 2023
- Dr. Oh
- Arizona median
- Medicare services
- 71vs 16256% below
- Part D claims
- 74vs 312.4 times
Medians across 545 general surgeons in Arizona with Dmand AI profiles that report each measure.
Dr. Oh's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Oh and other general surgeons in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard D. Oh's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Oh's median patient age at 56, with 50% women.
Dr. Oh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Richard D. Oh wrote 74 Medicare Part D claims in 2023
In 2023, Dr. Oh wrote 74 Medicare Part D claims. They cover 4 drugs, with $259 in total drug cost. In 2022, CMS named 127 claims across 4 drugs.
Dr. Oh's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1272023: 7442%
Drugs named by CMS: 4 in 2023, 4 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Richard D. Oh scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Oh for performance year 2024, reported as part of a group.
Dr. Oh's MIPS scores, performance year 2024
- 95of 100Final score
- 94of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Richard D. Oh received $51,193 in industry payments from 2016 to 2025
CMS Open Payments shows 101 general payments to Dr. Oh from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 83% of the total. Ethicon Inc. paid the most, $38,657.
General payments to Dr. Oh by program year, 2016 to 2025
General payments to Dr. Oh by kind, 2016 to 2025
- Consulting fees$42,47783%
- Food and beverage$3,0526%
- Speaker and faculty fees$2,7005%
- Honoraria$1,5003%
- Travel and lodging$1,4643%
Companies that paid Dr. Oh the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Richard D. Oh'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Richard D. Oh
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. Richard D. Oh's NPI number?
Dr. Richard D. Oh's NPI number is 1477521912. It was assigned on March 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard D. Oh?
Dr. Richard D. Oh is a general surgeon in Gilbert, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Richard D. Oh practice?
Dr. Oh practices at 3367 S Mercy Rd Suite 210 Suite 210, Gilbert, AZ 85297-7604. Dr. Oh also practices at 3555 S Val Vista Dr, Gilbert, AZ 85297. Dr. Oh's primary practice is Arizona Advanced Surgery - Gilbert (S Mercy Rd) in Gilbert, Arizona.
What is Dr. Richard D. Oh's office phone number?
The practice phone on file for Dr. Oh is (480) 969-4138.
What is Dr. Richard D. Oh's medical license number?
Dr. Oh holds Arizona license 35956.
What medical group is Dr. Richard D. Oh part of?
Dr. Oh is linked to Arizona Advanced Surgery.
Does Dr. Richard D. Oh accept Medicare?
Yes. CMS data shows Dr. Oh billed Medicare for 71 services in 2023.
What is Dr. Richard D. Oh's MIPS score?
Dr. Oh's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
What services does Dr. Richard D. Oh bill to Medicare?
In 2023, Dr. Oh's most billed Medicare services were office visit, new patient (99204), surgery: digestive system (49650) and office visit, established patient (99213).
What drugs does Dr. Richard D. Oh prescribe most?
In 2023 Medicare Part D data, Dr. Oh's most prescribed drugs by claims were Ondansetron HCl, Tramadol HCl and Oxycodone-Acetaminophen.
Has Dr. Richard D. Oh received payments from drug or device companies?
CMS Open Payments shows $51,193 in general payments to Dr. Oh from 16 companies from 2016 to 2025. The largest total came from Ethicon Inc.
How long has Dr. Richard D. Oh been practicing?
Dr. Oh graduated from medical school in 1998, 28 years ago.
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