Dr. Stefan Nathan Chock, MD
- Medicare services, 2024
- 328
- Medicare patients, 2024
- 171
- Part D claims, 2022
- 14
- Hospital affiliations
- 4
- Industry payments
- $49,348
- Practice address
- 3186 S Maryland Pkwy, Las Vegas, NV 89109
- Practice phone
- Call (702) 731-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chock's professional email, personal email and mobile number
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Dr. Stefan Nathan Chock is a general surgeon in Las Vegas, Nevada
Dr. Chock practices at Sunrise Hospital and Medical Center in Las Vegas, Nevada, part of HCA Healthcare.
Dr. Chock's NPI, 1811966062, was assigned on March 17, 2006. Dr. Chock graduated from University of Maryland School of Medicine in 1999. Dr. Chock holds Nevada license 11562.
- NPI
- 1811966062NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941220313
- NPI enumeration date
- March 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (702) 731-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stefan Nathan Chock practices at Sunrise Hospital and Medical Center in Las Vegas, Nevada
Dr. Chock's primary practice is Sunrise Hospital and Medical Center, at 3186 S Maryland Pkwy, Las Vegas, NV 89109 in Clark County. The practice phone is (702) 731-8000.
- Sunrise Hospital and Medical Center3186 S Maryland Pkwy, Las Vegas, NV 89109 · Clark CountyPhone(702) 731-8000
Source: Dmand AI Affiliation Data
Dr. Stefan Nathan Chock is affiliated with 5 sites of care and 1 medical group
Dr. Chock's primary practice is Sunrise Hospital and Medical Center in Las Vegas, Nevada, part of HCA Healthcare. Dr. Chock is also affiliated with MountainView Hospital. The medical group on file is Desert Surgical Associates. Dmand AI also links Dr. Chock to 2 more hospitals and 1 group practice or clinic, 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. Stefan Nathan Chock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chock practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sunrise Hospital and Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stefan Nathan Chock is one of 202 general surgeons in Nevada
Surgery is Dr. Chock's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chock is licensed in Nevada.
Specialties and state licenses
- Surgery, NevadaPrimary
General surgeons near Dr. Chock
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. Stefan Nathan Chock billed Medicare for 328 services in 2024
CMS data shows 328 Medicare services from Dr. Chock across 5 procedure codes in 2024, for 171 Medicare patients. Medicare paid $33,858 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chock's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3622024: 3289%
Dr. Chock compared with the Nevada median for general surgeons, 2024
- Dr. Chock
- Nevada median
- Medicare services
- 328vs 17884% above
- Medicare patients
- 171vs 12834% above
- Part D claims
- 14vs 4670% below
Medians across 181 general surgeons in Nevada with Dmand AI profiles that report each measure.
Dr. Chock'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stefan Nathan Chock treated 171 Medicare patients in 2024, average age 74
CMS counts 171 Medicare patients who saw Dr. Chock in 2024. The largest group is 75 to 84, with 69 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.13, 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. Chock's median patient age at 57, with 38% women.
Dr. Chock's Medicare patients by age, 2024
Dr. Chock's Medicare patients by sex, 2024
- Women7142%
- Men10058%
Chronic conditions among Dr. Chock's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis54%
- Ischemic heart disease42%
- Stroke or TIA42%
- Diabetes40%
- Atrial fibrillation39%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chock'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
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stefan Nathan Chock wrote 14 Medicare Part D claims in 2022
In 2022, Dr. Chock wrote 14 Medicare Part D claims. They cover 1 drug, with $64 in total drug cost.
Dr. Chock's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Stefan Nathan Chock takes part in Medicare
Dr. Chock accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stefan Nathan Chock received $49,348 in industry payments from 2016 to 2025
CMS Open Payments shows 170 general payments to Dr. Chock from 29 drug and device companies from 2016 to 2025. Education make up the largest share, 61% of the total. Intuitive Surgical, Inc. paid the most, $43,826.
General payments to Dr. Chock by program year, 2016 to 2025
General payments to Dr. Chock by kind, 2016 to 2025
- Education$30,23061%
- Speaker and faculty fees$8,00016%
- Food and beverage$7,02214%
- Travel and lodging$4,0968%
Companies that paid Dr. Chock 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. Stefan Nathan Chock graduated from University of Maryland School of Medicine
Dr. Chock graduated from University of Maryland School of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stefan Nathan Chock'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) |
| 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. Stefan Nathan Chock
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. Stefan Nathan Chock's NPI number?
Dr. Stefan Nathan Chock's NPI number is 1811966062. It was assigned on March 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stefan Nathan Chock?
Dr. Stefan Nathan Chock is a general surgeon in Las Vegas, Nevada. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Stefan Nathan Chock practice?
Dr. Chock practices at 3186 S Maryland Pkwy, Las Vegas, NV 89109. Dr. Chock's primary practice is Sunrise Hospital and Medical Center in Las Vegas, Nevada, part of HCA Healthcare. Dmand AI also links Dr. Chock to 2 hospitals and 1 group practice or clinic.
What is Dr. Stefan Nathan Chock's office phone number?
The practice phone on file for Dr. Chock is (702) 731-8000.
What is Dr. Stefan Nathan Chock's medical license number?
Dr. Chock holds Nevada license 11562.
Which hospitals is Dr. Stefan Nathan Chock affiliated with?
Dr. Chock practices at Sunrise Hospital and Medical Center in Las Vegas, Nevada. Dr. Chock is also affiliated with MountainView Hospital. Dmand AI links Dr. Chock to 2 more hospitals.
What medical group is Dr. Stefan Nathan Chock part of?
Dr. Chock is linked to Desert Surgical Associates.
Does Dr. Stefan Nathan Chock accept Medicare?
Yes. CMS data shows Dr. Chock billed Medicare for 328 services in 2024, and Dr. Chock accepts Medicare assignment.
How many Medicare patients does Dr. Stefan Nathan Chock see?
CMS counts 171 Medicare patients who saw Dr. Chock in 2024, with an average age of 74.
What services does Dr. Stefan Nathan Chock bill to Medicare?
In 2024, Dr. Chock's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99223).
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Where did Dr. Stefan Nathan Chock go to medical school?
Dr. Chock graduated from University of Maryland School of Medicine in 1999.
What drugs does Dr. Stefan Nathan Chock prescribe most?
In 2022 Medicare Part D data, Dr. Chock's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Stefan Nathan Chock received payments from drug or device companies?
CMS Open Payments shows $49,348 in general payments to Dr. Chock from 29 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Stefan Nathan Chock been practicing?
Dr. Chock graduated from medical school in 1999, 27 years ago.
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