Dr. Mark William Simon, MD
- Medicare services, 2024
- 137
- Medicare patients, 2024
- 157
- Part D claims, 2024
- 67
- Hospital affiliations
- 4
- Medical groups
- 3
- Practice address
- 1500 Park Central Dr, Highlands Ranch, CO 80129
- Practice phone
- Call (720) 516-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Simon'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. Mark William Simon is an emergency medicine physician in Littleton, Colorado
Dr. Simon practices at UCHealth Highlands Ranch Hospital in Highlands Ranch, Colorado, part of UCHealth.
Dr. Simon's NPI, 1649776584, was assigned on March 31, 2018. Dr. Simon graduated from Temple University School of Medicine in 2018. Dr. Simon holds Colorado license DR.0066448.
- NPI
- 1649776584NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284025149
- NPI enumeration date
- March 31, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (720) 516-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark William Simon practices at UCHealth Highlands Ranch Hospital in Highlands Ranch, Colorado
Dr. Simon's primary practice is UCHealth Highlands Ranch Hospital, at 1500 Park Central Dr, Highlands Ranch, CO 80129 in Douglas County. The practice phone is (720) 516-1000.
- UCHealth Highlands Ranch Hospital1500 Park Central Dr, Highlands Ranch, CO 80129 · Douglas CountyPhone(720) 516-1000
Source: Dmand AI Affiliation Data
Dr. Mark William Simon is affiliated with 6 sites of care and 3 medical groups
Dr. Simon's primary practice is UCHealth Highlands Ranch Hospital in Highlands Ranch, Colorado, part of UCHealth. Dr. Simon is also affiliated with UCHealth University of Colorado Hospital. The medical group on file is University of Colorado Medicine (CU Medicine). Dmand AI also links Dr. Simon to 2 more hospitals, 2 group practices and clinics and 2 medical groups, 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. Mark William Simon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simon practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCHealth Highlands Ranch Hospital | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark William Simon is one of 1,226 emergency medicine physicians in Colorado
Emergency medicine is Dr. Simon's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Simon is licensed in Colorado.
Specialties and state licenses
- Emergency medicine, ColoradoPrimary
Emergency medicine physicians near Dr. Simon
Counts of emergency medicine physicians 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. Mark William Simon billed Medicare for 137 services in 2024
CMS data shows 137 Medicare services from Dr. Simon across 2 procedure codes in 2024, for 157 Medicare patients. Medicare paid $16,221 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Simon compared with the Colorado median for emergency medicine physicians, 2024
- Dr. Simon
- Colorado median
- Medicare services
- 137vs 19931% below
- Medicare patients
- 157vs 19319% below
Medians across 1,237 emergency medicine physicians in Colorado with Dmand AI profiles that report each measure.
Dr. Simon'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. Mark William Simon treated 157 Medicare patients in 2024, average age 74
CMS counts 157 Medicare patients who saw Dr. Simon in 2024. The largest group is 75 to 84, with 54 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.96, 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. Simon's median patient age at 68, with 58% women.
Dr. Simon's Medicare patients by age, 2024
Dr. Simon's Medicare patients by sex, 2024
- Women8454%
- Men7346%
Chronic conditions among Dr. Simon's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis61%
- Mood disorders46%
- Depression45%
- Chronic kidney disease39%
- Ischemic heart disease38%
- Anxiety37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark William Simon wrote 67 Medicare Part D claims in 2024
In 2024, Dr. Simon wrote 67 Medicare Part D claims for 56 patients. 87% of them were for generic drugs.
Dr. Simon's Part D claims by kind of drug, 2024
- Generic58 claims87%
- Brand-name and other9 claims13%
Drug classes CMS tracks in Dr. Simon's Part D claims, 2024
- Antibiotics36%24 of 67 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
How Dr. Mark William Simon takes part in Medicare
Dr. Simon 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. Mark William Simon graduated from Temple University School of Medicine
Dr. Simon graduated from Temple University School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark William Simon'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 (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) |
| 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. Mark William Simon
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. Mark William Simon's NPI number?
Dr. Mark William Simon's NPI number is 1649776584. It was assigned on March 31, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark William Simon?
Dr. Mark William Simon is an emergency medicine physician in Littleton, Colorado. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mark William Simon practice?
Dr. Simon practices at 1500 Park Central Dr, Highlands Ranch, CO 80129. Dr. Simon's primary practice is UCHealth Highlands Ranch Hospital in Highlands Ranch, Colorado, part of UCHealth. Dmand AI also links Dr. Simon to 2 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. Mark William Simon's office phone number?
The practice phone on file for Dr. Simon is (720) 516-1000.
What is Dr. Mark William Simon's medical license number?
Dr. Simon holds Colorado license DR.0066448.
Which hospitals is Dr. Mark William Simon affiliated with?
Dr. Simon practices at UCHealth Highlands Ranch Hospital in Highlands Ranch, Colorado. Dr. Simon is also affiliated with UCHealth University of Colorado Hospital. Dmand AI links Dr. Simon to 2 more hospitals.
What medical group is Dr. Mark William Simon part of?
Dr. Simon is linked to University of Colorado Medicine (CU Medicine). Dmand AI links Dr. Simon to 2 more medical groups.
Does Dr. Mark William Simon accept Medicare?
Yes. CMS data shows Dr. Simon billed Medicare for 137 services in 2024, and Dr. Simon accepts Medicare assignment.
How many Medicare patients does Dr. Mark William Simon see?
CMS counts 157 Medicare patients who saw Dr. Simon in 2024, with an average age of 74.
What services does Dr. Mark William Simon bill to Medicare?
In 2024, Dr. Simon's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Mark William Simon go to medical school?
Dr. Simon graduated from Temple University School of Medicine in 2018.
How long has Dr. Mark William Simon been practicing?
Dr. Simon graduated from medical school in 2018, 8 years ago.
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