Dr. Samuel K. Sim, MD
- Medicare services, 2024
- 49
- Medicare patients, 2024
- 72
- Part D claims, 2023
- 108
- Hospital affiliations
- 2
- Industry payments
- $21,417
- Practice address
- 2400 South Avenue a, Yuma, AZ 85364
- Practice phone
- Call (928) 336-7600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sim'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. Samuel K. Sim is a gastroenterologist in Yuma, Arizona
Dr. Sim practices at Onvida Health Yuma Medical Center in Yuma, Arizona, part of Onvida Health.
Dr. Sim's NPI, 1275633844, was assigned on September 24, 2006. Dr. Sim holds Washington license MD00032743.
- NPI
- 1275633844NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224029830
- NPI enumeration date
- September 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (928) 336-7600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samuel K. Sim practices at Onvida Health Yuma Medical Center in Yuma, Arizona
Dr. Sim's primary practice is Onvida Health Yuma Medical Center, at 2400 South Avenue a, Yuma, AZ 85364 in Yuma County. The practice phone is (928) 336-7600.
- Onvida Health Yuma Medical Center2400 South Avenue a, Yuma, AZ 85364 · Yuma CountyPhone(928) 336-7600
Source: Dmand AI Affiliation Data
Dr. Samuel K. Sim is affiliated with 4 sites of care and 6 medical groups
Dr. Sim's primary practice is Onvida Health Yuma Medical Center in Yuma, Arizona, part of Onvida Health. Dr. Sim is also affiliated with Emory Hospital Warner Robins. The medical group on file is Onvida Health Yuma Medical Center. Dmand AI also links Dr. Sim to 5 more medical groups and 2 group practices and clinics, each named with a free account. Dr. Sim's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Samuel K. Sim's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sim practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Onvida Health Yuma Medical Center | Available with a free account |
| +3 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Onvida Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Samuel K. Sim is one of 380 gastroenterologists in Arizona
Gastroenterology is Dr. Sim's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Sim's licenses on file in 4 states: Washington, Hawaii, Michigan and Montana.
Specialties and state licenses
- Gastroenterology, WashingtonPrimary
- Hawaii license
- Michigan license
- Montana license
Gastroenterologists near Dr. Sim
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. Samuel K. Sim billed Medicare for 49 services in 2024
CMS data shows 49 Medicare services from Dr. Sim across 3 procedure codes in 2024, for 72 Medicare patients. Medicare paid $4,703 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sim's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 272024: 297%
- Surgery
- 2023: 252024: 2020%
Dr. Sim compared with the Arizona median for gastroenterologists, 2024
- Dr. Sim
- Arizona median
- Medicare services
- 49vs 50890% below
- Medicare patients
- 72vs 31977% below
- Part D claims
- 108vs 31065% below
Medians across 369 gastroenterologists in Arizona with Dmand AI profiles that report each measure.
Dr. Sim'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sim and other gastroenterologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samuel K. Sim treated 72 Medicare patients in 2024, average age 74
CMS counts 72 Medicare patients who saw Dr. Sim in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sim's median patient age at 64, with 59% women.
Dr. Sim's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sim's Medicare patients by sex, 2024
- Women4563%
- Men2738%
Chronic conditions among Dr. Sim's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease40%
- Arthritis36%
- Mood disorders36%
- Diabetes35%
- Depression32%
- Ischemic heart disease32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sim's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Samuel K. Sim wrote 108 Medicare Part D claims in 2023
In 2023, Dr. Sim wrote 108 Medicare Part D claims. They cover 3 drugs, with $2,674 in total drug cost. In 2022, CMS named 152 claims across 5 drugs.
Dr. Sim'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: 1522023: 10829%
Drugs named by CMS: 3 in 2023, 5 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Samuel K. Sim ranks in the 55th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Sim accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Sim, more than 55% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Sim ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 55th percentile28 procedures
- Colonoscopy
- 46th percentile17 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. Samuel K. Sim received $21,417 in industry payments from 2016 to 2025
CMS Open Payments shows 934 general payments to Dr. Sim from 43 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Abbvie Inc. paid the most, $5,093.
General payments to Dr. Sim by program year, 2016 to 2025
General payments to Dr. Sim by kind, 2016 to 2025
- Food and beverage$20,78397%
- Education$4492%
- Travel and lodging$1851%
Companies that paid Dr. Sim 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. Samuel K. Sim'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) |
| 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) |
| 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. Samuel K. Sim
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. Samuel K. Sim's NPI number?
Dr. Samuel K. Sim's NPI number is 1275633844. It was assigned on September 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Samuel K. Sim?
Dr. Samuel K. Sim is a gastroenterologist in Yuma, Arizona. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Samuel K. Sim practice?
Dr. Sim practices at 2400 South Avenue a, Yuma, AZ 85364. Dr. Sim's primary practice is Onvida Health Yuma Medical Center in Yuma, Arizona, part of Onvida Health. Dmand AI also links Dr. Sim to 5 medical groups and 2 group practices and clinics.
What is Dr. Samuel K. Sim's office phone number?
The practice phone on file for Dr. Sim is (928) 336-7600.
What is Dr. Samuel K. Sim's medical license number?
Dr. Sim holds Washington license MD00032743, one of the licenses on file in 4 states.
Which states has Dr. Samuel K. Sim been licensed in?
Dmand AI has state licenses on file for Dr. Sim in Washington, Hawaii, Michigan and Montana.
Which hospitals is Dr. Samuel K. Sim affiliated with?
Dr. Sim practices at Onvida Health Yuma Medical Center in Yuma, Arizona. Dr. Sim is also affiliated with Emory Hospital Warner Robins.
What medical group is Dr. Samuel K. Sim part of?
Dr. Sim is linked to Onvida Health Yuma Medical Center. Dmand AI links Dr. Sim to 5 more medical groups.
Does Dr. Samuel K. Sim accept Medicare?
Yes. CMS data shows Dr. Sim billed Medicare for 49 services in 2024, and Dr. Sim accepts Medicare assignment.
How many Medicare patients does Dr. Samuel K. Sim see?
CMS counts 72 Medicare patients who saw Dr. Sim in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Samuel K. Sim bill to Medicare?
In 2024, Dr. Sim's most billed Medicare services were surgery: digestive system (43235), hospital inpatient care (99222) and hospital inpatient care (99223).
What drugs does Dr. Samuel K. Sim prescribe most?
In 2023 Medicare Part D data, Dr. Sim's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Plenvu.
Has Dr. Samuel K. Sim received payments from drug or device companies?
CMS Open Payments shows $21,417 in general payments to Dr. Sim from 43 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Samuel K. Sim been practicing?
Dr. Sim graduated from medical school in 1991, 35 years ago.
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