Dr. James Thomas Walker, DO
- Medicare services, 2024
- 717
- Medicare patients, 2024
- 636
- Part D claims, 2024
- 104
- MIPS score, 2024
- 76
- Hospital affiliations
- 2
- 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
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Dr. James Thomas Walker is an emergency medicine physician in Las Vegas, Nevada
Dr. Walker practices at Sunrise Hospital and Medical Center in Las Vegas, Nevada, part of HCA Healthcare.
Dr. Walker's NPI, 1851592497, was assigned on May 30, 2007. Dr. Walker graduated from College of Osteo Med of the Pacific at Pomona in 2007. Dr. Walker holds Pennsylvania license OT012417.
- NPI
- 1851592497NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294865366
- NPI enumeration date
- May 30, 2007
- 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
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Thomas Walker practices at Sunrise Hospital and Medical Center in Las Vegas, Nevada
Dr. Walker'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. James Thomas Walker is affiliated with 2 sites of care and 1 medical group
Dr. Walker's primary practice is Sunrise Hospital and Medical Center in Las Vegas, Nevada, part of HCA Healthcare. Dr. Walker is also affiliated with MountainView Hospital. The medical group on file is Fremont Emergency Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Thomas Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 2 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 |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Thomas Walker is one of 554 emergency medicine physicians in Nevada
Emergency medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Walker is licensed in Pennsylvania.
Specialties and state licenses
- Emergency medicine, PennsylvaniaPrimary
Emergency medicine physicians near Dr. Walker
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. James Thomas Walker billed Medicare for 717 services in 2024
CMS data shows 717 Medicare services from Dr. Walker across 5 procedure codes in 2024, for 636 Medicare patients. Medicare paid $95,394 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6182024: 68010%
- Surgery
- 2023: 242024: 3754%
Dr. Walker compared with the Nevada median for emergency medicine physicians, 2024
- Dr. Walker
- Nevada median
- Medicare services
- 717vs 2982.4 times
- Medicare patients
- 636vs 2702.4 times
- Part D claims
- 25vs 5555% below
Medians across 539 emergency medicine physicians in Nevada with Dmand AI profiles that report each measure.
Dr. Walker'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. James Thomas Walker treated 636 Medicare patients in 2024, average age 71
CMS counts 636 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 203 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 2.67, 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. Walker's median patient age at 57, with 47% women.
Dr. Walker's Medicare patients by age, 2024
Dr. Walker's Medicare patients by sex, 2024
- Women30147%
- Men33553%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Arthritis54%
- Anxiety50%
- Mood disorders49%
- Ischemic heart disease46%
- Depression45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walker'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
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Thomas Walker wrote 104 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 104 Medicare Part D claims for 72 patients. 93% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $474 in total drug cost. In 2023, CMS named 40 claims across 3 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic97 claims93%
- Brand-name and other7 claims7%
Dr. Walker'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. Walker's Part D claims, 2024
- Antibiotics25%26 of 104 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: 402024: 2538%
Drugs named by CMS: 2 in 2024, 3 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
Dr. James Thomas Walker scored 76 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Walker for performance year 2024, reported individually. Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Walker's MIPS scores, performance year 2024
- 76of 100Final score
- 55.2of 100Quality
- 40of 100Improvement Activities
- 67of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. James Thomas Walker received $58 in industry payments from 2016 to 2018
CMS Open Payments shows 5 general payments to Dr. Walker from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $25.
General payments to Dr. Walker by program year, 2016 to 2018
Companies that paid Dr. Walker the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Thomas Walker graduated from College of Osteo Med of the Pacific at Pomona
Dr. Walker graduated from College of Osteo Med of the Pacific at Pomona in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Thomas Walker'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)Clinician Public Reporting: Overall MIPS Performance (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. James Thomas Walker
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. James Thomas Walker's NPI number?
Dr. James Thomas Walker's NPI number is 1851592497. It was assigned on May 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. James Thomas Walker?
Dr. James Thomas Walker is an emergency medicine physician in Las Vegas, Nevada. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. James Thomas Walker practice?
Dr. Walker practices at 3186 S Maryland Pkwy, Las Vegas, NV 89109. Dr. Walker's primary practice is Sunrise Hospital and Medical Center in Las Vegas, Nevada, part of HCA Healthcare.
What is Dr. James Thomas Walker's office phone number?
The practice phone on file for Dr. Walker is (702) 731-8000.
What is Dr. James Thomas Walker's medical license number?
Dr. Walker holds Pennsylvania license OT012417.
Which hospitals is Dr. James Thomas Walker affiliated with?
Dr. Walker practices at Sunrise Hospital and Medical Center in Las Vegas, Nevada. Dr. Walker is also affiliated with MountainView Hospital.
What medical group is Dr. James Thomas Walker part of?
Dr. Walker is linked to Fremont Emergency Services.
Does Dr. James Thomas Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 717 services in 2024, and Dr. Walker accepts Medicare assignment.
What is Dr. James Thomas Walker's MIPS score?
Dr. Walker's MIPS final score for performance year 2024 is 76 out of 100, reported individually.
How many Medicare patients does Dr. James Thomas Walker see?
CMS counts 636 Medicare patients who saw Dr. Walker in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Dr. James Thomas Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
Where did Dr. James Thomas Walker go to medical school?
Dr. Walker graduated from College of Osteo Med of the Pacific at Pomona in 2007.
What drugs does Dr. James Thomas Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Cefdinir and Ketorolac Tromethamine.
Has Dr. James Thomas Walker received payments from drug or device companies?
CMS Open Payments shows $58 in general payments to Dr. Walker from 3 companies from 2016 to 2018. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. James Thomas Walker been practicing?
Dr. Walker graduated from medical school in 2007, 19 years ago.
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