Dr. Justin M. Westphalen, MD
- Medicare services, 2024
- 219
- Medicare patients, 2024
- 182
- Part D claims, 2024
- 394
- Hospital affiliations
- 3
- Medical groups
- 2
- Practice address
- 10101 Ridgegate Pkwy, Lone Tree, CO 80124
- Practice phone
- Call (720) 225-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Westphalen's professional email, personal email and mobile number
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Dr. Justin M. Westphalen is an emergency medicine physician in Lone Tree, Colorado
Dr. Westphalen practices at HCA HealthONE Sky Ridge in Lone Tree, Colorado, part of HCA Healthcare.
Dr. Westphalen's NPI, 1891037271, was assigned on March 22, 2013. Dr. Westphalen holds Colorado license DR.0058299.
- NPI
- 1891037271NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709156854
- NPI enumeration date
- March 22, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (720) 225-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin M. Westphalen practices at HCA HealthONE Sky Ridge in Lone Tree, Colorado
Dr. Westphalen's primary practice is HCA HealthONE Sky Ridge, at 10101 Ridgegate Pkwy, Lone Tree, CO 80124 in Douglas County. The practice phone is (720) 225-1000.
- HCA HealthONE Sky Ridge10101 Ridgegate Pkwy, Lone Tree, CO 80124 · Douglas CountyPhone(720) 225-1000
Source: Dmand AI Affiliation Data
Dr. Justin M. Westphalen is affiliated with 3 sites of care and 2 medical groups
Dr. Westphalen's primary practice is HCA HealthONE Sky Ridge in Lone Tree, Colorado, part of HCA Healthcare. Dr. Westphalen is also affiliated with HCA HealthONE Swedish. The medical group on file is Intermountain Health. Dmand AI also links Dr. Westphalen to 1 more hospital 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. Justin M. Westphalen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Westphalen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA HealthONE Sky Ridge | 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. Justin M. Westphalen is one of 1,226 emergency medicine physicians in Colorado
Emergency medicine is Dr. Westphalen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Westphalen's licenses on file in 2 states: Colorado and Oklahoma.
Specialties and state licenses
- Emergency medicine, ColoradoPrimary
- Student in an organized health care education/training program, Oklahoma
Emergency medicine physicians near Dr. Westphalen
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. Justin M. Westphalen billed Medicare for 219 services in 2024
CMS data shows 219 Medicare services from Dr. Westphalen across 5 procedure codes in 2024, for 182 Medicare patients. Medicare paid $20,474 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Westphalen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 452024: 166269%
- Tests and treatments
- 2023: 02024: 53
Dr. Westphalen compared with the Colorado median for emergency medicine physicians, 2024
- Dr. Westphalen
- Colorado median
- Medicare services
- 219vs 19910% above
- Medicare patients
- 182vs 1936% below
- Part D claims
- 249vs 347.3 times
Medians across 1,237 emergency medicine physicians in Colorado with Dmand AI profiles that report each measure.
Dr. Westphalen'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. Justin M. Westphalen treated 182 Medicare patients in 2024, average age 74
CMS counts 182 Medicare patients who saw Dr. Westphalen in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.77, 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. Westphalen's median patient age at 50, with 58% women.
Dr. Westphalen's Medicare patients by age, 2024
Dr. Westphalen's Medicare patients by sex, 2024
- Women10055%
- Men8245%
Chronic conditions among Dr. Westphalen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Mood disorders48%
- Anxiety42%
- Chronic kidney disease40%
- Depression39%
- Ischemic heart disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Westphalen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justin M. Westphalen wrote 394 Medicare Part D claims in 2024
In 2024, Dr. Westphalen wrote 394 Medicare Part D claims for 256 patients. 90% of them were for generic drugs. CMS names the drug for 249 of them, across 9 drugs with 11 or more claims each, at $2,493 in total drug cost. In 2023, CMS named 299 claims across 11 drugs.
Dr. Westphalen's Part D claims by kind of drug, 2024
- Generic356 claims90%
- Brand-name and other38 claims10%
Dr. Westphalen'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. Westphalen's Part D claims, 2024
- Opioids3%13 of 394 claims
- Antibiotics40%158 of 394 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2992024: 24917%
Drugs named by CMS: 9 in 2024, 11 in 2023.
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. Justin M. Westphalen takes part in Medicare
Dr. Westphalen 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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Sources for Dr. Justin M. Westphalen'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)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) |
| 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. Justin M. Westphalen
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. Justin M. Westphalen's NPI number?
Dr. Justin M. Westphalen's NPI number is 1891037271. It was assigned on March 22, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin M. Westphalen?
Dr. Justin M. Westphalen is an emergency medicine physician in Lone Tree, Colorado. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Justin M. Westphalen practice?
Dr. Westphalen practices at 10101 Ridgegate Pkwy, Lone Tree, CO 80124. Dr. Westphalen's primary practice is HCA HealthONE Sky Ridge in Lone Tree, Colorado, part of HCA Healthcare. Dmand AI also links Dr. Westphalen to 1 hospital and 1 medical group.
What is Dr. Justin M. Westphalen's office phone number?
The practice phone on file for Dr. Westphalen is (720) 225-1000.
What is Dr. Justin M. Westphalen's medical license number?
Dr. Westphalen holds Colorado license DR.0058299, one of the licenses on file in 2 states.
Which states has Dr. Justin M. Westphalen been licensed in?
Dmand AI has state licenses on file for Dr. Westphalen in Colorado and Oklahoma.
Which hospitals is Dr. Justin M. Westphalen affiliated with?
Dr. Westphalen practices at HCA HealthONE Sky Ridge in Lone Tree, Colorado. Dr. Westphalen is also affiliated with HCA HealthONE Swedish. Dmand AI links Dr. Westphalen to 1 more hospital.
What medical group is Dr. Justin M. Westphalen part of?
Dr. Westphalen is linked to Intermountain Health. Dmand AI links Dr. Westphalen to 1 more medical group.
Does Dr. Justin M. Westphalen accept Medicare?
Yes. CMS data shows Dr. Westphalen billed Medicare for 219 services in 2024, and Dr. Westphalen accepts Medicare assignment.
How many Medicare patients does Dr. Justin M. Westphalen see?
CMS counts 182 Medicare patients who saw Dr. Westphalen in 2024, with an average age of 74.
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What services does Dr. Justin M. Westphalen bill to Medicare?
In 2024, Dr. Westphalen's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
What drugs does Dr. Justin M. Westphalen prescribe most?
In 2024 Medicare Part D data, Dr. Westphalen's most prescribed drugs by claims were Cefuroxime, Prednisone and Ondansetron ODT.
How long has Dr. Justin M. Westphalen been practicing?
Dr. Westphalen graduated from medical school in 2013, 13 years ago.
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