Dr. Nidal Arnous, MD
- Medicare services, 2024
- 1,044
- Medicare patients, 2024
- 304
- Part D claims, 2024
- 47
- Hospital affiliations
- 1
- Industry payments
- $259
- Practice address
- 901 Harry S Truman N Dr, Upper Marlboro, MD 20774
- Practice phone
- Call (240) 677-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UM Capital Region Medical Center
Upper Marlboro, Maryland
Find Dr. Arnous' 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. Nidal Arnous is an internist in Upper Marlboro, Maryland
Dr. Arnous practices at UM Capital Region Medical Center in Upper Marlboro, Maryland.
Dr. Arnous' NPI, 1841508157, was assigned on September 21, 2010. Dr. Arnous holds New Jersey license 25MA09335400.
- NPI
- 1841508157NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264667252
- NPI enumeration date
- September 21, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (240) 677-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nidal Arnous practices at UM Capital Region Medical Center in Upper Marlboro, Maryland
Dr. Arnous' primary practice is UM Capital Region Medical Center, at 901 Harry S Truman N Dr, Upper Marlboro, MD 20774 in Prince Georges County. The practice phone is (240) 677-3000.
- UM Capital Region Medical Center901 Harry S Truman N Dr, Upper Marlboro, MD 20774 · Prince Georges CountyPhone(240) 677-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nidal Arnous is affiliated with 4 sites of care and 4 medical groups
Dr. Arnous' primary practice is UM Capital Region Medical Center in Upper Marlboro, Maryland. Dr. Arnous is also affiliated with University of Maryland Capital Region Medical Center. The medical group on file is Adfinitas Health. Dmand AI also links Dr. Arnous to 3 more medical groups and 2 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nidal Arnous' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arnous practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UM Capital Region Medical Center | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nidal Arnous is one of 3,320 internists in Maryland
Internal medicine is Dr. Arnous' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Arnous' licenses on file in 2 states: New Jersey and Delaware.
Specialties and state licenses
- Internal medicine, New JerseyPrimary
- Delaware license
Internists near Dr. Arnous
Counts of internists 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. Nidal Arnous billed Medicare for 1,044 services in 2024
CMS data shows 1,044 Medicare services from Dr. Arnous across 4 procedure codes in 2024, for 304 Medicare patients. Medicare paid $108,834 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Arnous' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9912024: 1,0062%
- Other services
- 2023: 02024: 38
Dr. Arnous compared with the Maryland median for internists, 2024
- Dr. Arnous
- Maryland median
- Medicare services
- 1,044vs 65659% above
- Medicare patients
- 304vs 25121% above
- Part D claims
- 479vs 30955% above
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Arnous' 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. Nidal Arnous treated 304 Medicare patients in 2024, average age 75
CMS counts 304 Medicare patients who saw Dr. Arnous in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 3.18, 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. Arnous' median patient age at 72, with 57% women.
Dr. Arnous' Medicare patients by age, 2024
Dr. Arnous' Medicare patients by sex, 2024
- Women17457%
- Men13043%
Chronic conditions among Dr. Arnous' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes65%
- Chronic kidney disease64%
- Arthritis51%
- Ischemic heart disease50%
- Heart failure49%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Arnous' 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
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nidal Arnous wrote 47 Medicare Part D claims in 2024
In 2024, Dr. Arnous wrote 47 Medicare Part D claims for 23 patients. 85% of them were for generic drugs. They cover 16 drugs, with $6,434 in total drug cost. In 2020, CMS named 781 claims across 24 drugs.
Dr. Arnous' Part D claims by kind of drug, 2024
- Generic40 claims85%
- Brand-name and other7 claims15%
Dr. Arnous' most prescribed drugs by claims, 2021
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. Arnous' Part D claims, 2024
- Antibiotics32%15 of 47 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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 7812021: 47939%
Drugs named by CMS: 16 in 2021, 24 in 2020.
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. Nidal Arnous takes part in Medicare
Dr. Arnous 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. Nidal Arnous received $259 in industry payments from 2016 to 2022
CMS Open Payments shows 11 general payments to Dr. Arnous from 7 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $80.
General payments to Dr. Arnous by program year, 2016 to 2022
Companies that paid Dr. Arnous the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nidal Arnous'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 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) |
| Industry payments | Open Payments (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. Nidal Arnous
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. Nidal Arnous' NPI number?
Dr. Nidal Arnous' NPI number is 1841508157. It was assigned on September 21, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Nidal Arnous?
Dr. Nidal Arnous is an internist in Upper Marlboro, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nidal Arnous practice?
Dr. Arnous practices at 901 Harry S Truman N Dr, Upper Marlboro, MD 20774. Dr. Arnous' primary practice is UM Capital Region Medical Center in Upper Marlboro, Maryland. Dmand AI also links Dr. Arnous to 3 medical groups and 2 group practices and clinics.
What is Dr. Nidal Arnous' office phone number?
The practice phone on file for Dr. Arnous is (240) 677-3000.
What is Dr. Nidal Arnous' medical license number?
Dr. Arnous holds New Jersey license 25MA09335400, one of the licenses on file in 2 states.
Which states has Dr. Nidal Arnous been licensed in?
Dmand AI has state licenses on file for Dr. Arnous in New Jersey and Delaware.
Which hospitals is Dr. Nidal Arnous affiliated with?
Dr. Arnous is affiliated with University of Maryland Capital Region Medical Center.
What medical group is Dr. Nidal Arnous part of?
Dr. Arnous is linked to Adfinitas Health. Dmand AI links Dr. Arnous to 3 more medical groups.
Does Dr. Nidal Arnous accept Medicare?
Yes. CMS data shows Dr. Arnous billed Medicare for 1,044 services in 2024, and Dr. Arnous accepts Medicare assignment.
How many Medicare patients does Dr. Nidal Arnous see?
CMS counts 304 Medicare patients who saw Dr. Arnous in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Nidal Arnous bill to Medicare?
In 2024, Dr. Arnous' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
What drugs does Dr. Nidal Arnous prescribe most?
In 2021 Medicare Part D data, Dr. Arnous' most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.
Has Dr. Nidal Arnous received payments from drug or device companies?
CMS Open Payments shows $259 in general payments to Dr. Arnous from 7 companies from 2016 to 2022. The largest total came from Abbott Laboratories.
How long has Dr. Nidal Arnous been practicing?
Dr. Arnous graduated from medical school in 2000, 26 years ago.
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