Dr. Robert W. Merrell, MD
- Medicare services, 2024
- 97
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 317
- Industry payments
- $2,528
- Affiliated sites
- 1
- Practice address
- 100 N Green Valley Pkwy, Henderson, NV 89074
- Practice phone
- Call (702) 616-4954
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Parkway Surgery Center
Henderson, Nevada
Find Dr. Merrell'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. Robert W. Merrell is a nephrologist in Henderson, Nevada
Dr. Merrell practices at Parkway Surgery Center in Henderson, Nevada.
Dr. Merrell's NPI, 1699765586, was assigned on October 24, 2005. Dr. Merrell graduated from University of Oklahoma College of Medicine in 1982. Dr. Merrell holds Nevada license 5932.
- NPI
- 1699765586NPI Registry (opens in a new tab)
- NPI enumeration date
- October 24, 2005
- NPI status
- Active
- Practice phone
- (702) 616-4954
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert W. Merrell practices at Parkway Surgery Center in Henderson, Nevada
Dr. Merrell's primary practice is Parkway Surgery Center, at 100 N Green Valley Pkwy, Henderson, NV 89074 in Clark County. The practice phone is (702) 616-4954.
- Parkway Surgery Center100 N Green Valley Pkwy, Henderson, NV 89074 · Clark CountyPhone(702) 616-4954
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert W. Merrell is affiliated with 2 sites of care and 1 medical group
Dr. Merrell's primary practice is Parkway Surgery Center in Henderson, Nevada. The medical group on file is Kidney Specialists of Southern Nevada. Dmand AI also links Dr. Merrell to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert W. Merrell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merrell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Parkway Surgery 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. Robert W. Merrell is one of 120 nephrologists in Nevada
Nephrology is Dr. Merrell's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Merrell is licensed in Nevada.
Specialties and state licenses
- Nephrology, NevadaPrimary
Nephrologists near Dr. Merrell
Counts of nephrologists 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. Robert W. Merrell billed Medicare for 97 services in 2024
CMS data shows 97 Medicare services from Dr. Merrell across 1 procedure code in 2024, all of them office visits, for 49 Medicare patients. Medicare paid $6,406 for them. Every service was in an office.
Dr. Merrell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1242024: 9722%
Dr. Merrell compared with the Nevada median for nephrologists, 2024
- Dr. Merrell
- Nevada median
- Medicare services
- 97vs 1,42493% below
- Medicare patients
- 49vs 38187% below
- Part D claims
- 209vs 55863% below
Medians across 116 nephrologists in Nevada with Dmand AI profiles that report each measure.
Dr. Merrell'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. Merrell and other nephrologists in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert W. Merrell treated 49 Medicare patients in 2024, average age 78
CMS counts 49 Medicare patients who saw Dr. Merrell in 2024. The largest group is 75 to 84, with 20 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 1.64, 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. Merrell's median patient age at 72, with 17% women.
Dr. Merrell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Merrell's Medicare patients by sex, 2024
- Women1735%
- Men3265%
Chronic conditions among Dr. Merrell's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes59%
- Arthritis47%
- Ischemic heart disease41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merrell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women17%
- Men83%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert W. Merrell wrote 317 Medicare Part D claims in 2024
In 2024, Dr. Merrell wrote 317 Medicare Part D claims for 47 patients. 70% of them were for generic drugs. CMS names the drug for 209 of them, across 9 drugs with 11 or more claims each, at $132,727 in total drug cost. In 2023, CMS named 246 claims across 9 drugs.
Dr. Merrell's Part D claims by kind of drug, 2024
- Generic223 claims70%
- Brand-name94 claims30%
Dr. Merrell'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2462024: 20915%
Drugs named by CMS: 9 in 2024, 9 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
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Dr. Robert W. Merrell received $2,528 in industry payments from 2016 to 2024
CMS Open Payments shows 49 general payments to Dr. Merrell from 22 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 61% of the total. Amgen Inc. paid the most, $1,572.
General payments to Dr. Merrell by program year, 2016 to 2024
General payments to Dr. Merrell by kind, 2016 to 2024
- Travel and lodging$1,53061%
- Food and beverage$99539%
- Education$30%
Companies that paid Dr. Merrell the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert W. Merrell graduated from University of Oklahoma College of Medicine
Dr. Merrell graduated from University of Oklahoma College of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert W. Merrell'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. Robert W. Merrell
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. Robert W. Merrell's NPI number?
Dr. Robert W. Merrell's NPI number is 1699765586. It was assigned on October 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert W. Merrell?
Dr. Robert W. Merrell is a nephrologist in Henderson, Nevada. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Robert W. Merrell practice?
Dr. Merrell practices at 100 N Green Valley Pkwy, Henderson, NV 89074. Dr. Merrell's primary practice is Parkway Surgery Center in Henderson, Nevada. Dmand AI also links Dr. Merrell to 1 group practice or clinic.
What is Dr. Robert W. Merrell's office phone number?
The practice phone on file for Dr. Merrell is (702) 616-4954.
What is Dr. Robert W. Merrell's medical license number?
Dr. Merrell holds Nevada license 5932.
What medical group is Dr. Robert W. Merrell part of?
Dr. Merrell is linked to Kidney Specialists of Southern Nevada.
Does Dr. Robert W. Merrell accept Medicare?
Yes. CMS data shows Dr. Merrell billed Medicare for 97 services in 2024.
How many Medicare patients does Dr. Robert W. Merrell see?
CMS counts 49 Medicare patients who saw Dr. Merrell in 2024, with an average age of 78.
What services does Dr. Robert W. Merrell bill to Medicare?
In 2024, Dr. Merrell's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Robert W. Merrell go to medical school?
Dr. Merrell graduated from University of Oklahoma College of Medicine in 1982.
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What drugs does Dr. Robert W. Merrell prescribe most?
In 2024 Medicare Part D data, Dr. Merrell's most prescribed drugs by claims were Farxiga, Furosemide and Amlodipine Besylate.
Has Dr. Robert W. Merrell received payments from drug or device companies?
CMS Open Payments shows $2,528 in general payments to Dr. Merrell from 22 companies from 2016 to 2024. The largest total came from Amgen Inc.
How long has Dr. Robert W. Merrell been practicing?
Dr. Merrell graduated from medical school in 1982, 44 years ago.
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