Dr. Arjun Singh, MD
- Medicare services, 2024
- 486
- Medicare patients, 2024
- 181
- Part D claims, 2024
- 1,713
- Hospital affiliations
- 3
- Industry payments
- $2,713
- Practice address
- One Memorial Drive, Alton, IL 62002
- Practice phone
- Call (314) 286-2227
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Singh's professional email, personal email and mobile number
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Dr. Arjun Singh is an internist in Alton, Illinois
Dr. Singh practices at Alton Memorial Hospital in Alton, Illinois, part of BJC Health.
Dr. Singh's NPI, 1780619957, was assigned on July 12, 2006. Dr. Singh holds Missouri license MD 104712.
- NPI
- 1780619957NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991829400
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 286-2227
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Arjun Singh practices at 2 locations in Alton, Illinois
Dr. Singh's primary practice is Alton Memorial Hospital, at One Memorial Drive, Alton, IL 62002 in Madison County. The practice phone is (314) 286-2227. Dr. Singh also practices at Alton Memorial Hospital, 1 Memorial Dr, Alton, IL 62002.
- Alton Memorial HospitalPrimaryOne Memorial Drive, Alton, IL 62002 · Madison CountyPhone(314) 286-2227
- Alton Memorial Hospital1 Memorial Dr, Alton, IL 62002 · Madison CountyPhone(618) 463-7311
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Arjun Singh is affiliated with 3 sites of care and 4 medical groups
Dr. Singh's primary practice is Alton Memorial Hospital in Alton, Illinois, part of BJC Health. Dr. Singh is also affiliated with Memorial Hospital in Belleville. The medical group on file is BJC Medical Group. Dmand AI also links Dr. Singh to 1 more hospital and 3 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. Arjun Singh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Singh practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alton Memorial Hospital | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across BJC Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Arjun Singh is one of 5,652 internists in Illinois
Internal medicine is Dr. Singh's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Singh's licenses on file in 2 states: Missouri and Illinois.
Specialties and state licenses
- Internal medicine, MissouriPrimary
- Hospitalist, Illinois
Internists near Dr. Singh
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. Arjun Singh billed Medicare for 486 services in 2024
CMS data shows 486 Medicare services from Dr. Singh across 4 procedure codes in 2024, for 181 Medicare patients. Medicare paid $28,627 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Singh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7582024: 48636%
Dr. Singh compared with the Illinois median for internists, 2024
- Dr. Singh
- Illinois median
- Medicare services
- 486vs 56614% below
- Medicare patients
- 181vs 20813% below
- Part D claims
- 1,374vs 2844.8 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Singh'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. Singh and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Arjun Singh treated 181 Medicare patients in 2024, average age 75
CMS counts 181 Medicare patients who saw Dr. Singh in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 3.05, 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. Singh's median patient age at 70, with 51% women.
Dr. Singh's Medicare patients by age, 2024
Dr. Singh's Medicare patients by sex, 2024
- Women10759%
- Men7441%
Chronic conditions among Dr. Singh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Ischemic heart disease62%
- Chronic kidney disease57%
- Heart failure57%
- Diabetes54%
- Anxiety48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Singh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Arjun Singh wrote 1,713 Medicare Part D claims in 2024
In 2024, Dr. Singh wrote 1,713 Medicare Part D claims for 195 patients. 88% of them were for generic drugs. CMS names the drug for 1,374 of them, across 43 drugs with 11 or more claims each, at $47,627 in total drug cost. In 2023, CMS named 1,508 claims across 46 drugs.
Dr. Singh's Part D claims by kind of drug, 2024
- Generic1,509 claims88%
- Brand-name and other204 claims12%
Dr. Singh'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. Singh's Part D claims, 2024
- Opioids14%234 of 1,713 claims
- Antibiotics5%85 of 1,713 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: 1,5082024: 1,3749%
Drugs named by CMS: 43 in 2024, 46 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. Arjun Singh takes part in Medicare
Dr. Singh 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. Arjun Singh received $2,713 in industry payments from 2016 to 2025
CMS Open Payments shows 36 general payments to Dr. Singh from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. AstraZeneca Pharmaceuticals LP paid the most, $649.
General payments to Dr. Singh by program year, 2016 to 2025
General payments to Dr. Singh by kind, 2016 to 2025
- Food and beverage$2,58895%
- Speaker and faculty fees$1255%
Companies that paid Dr. Singh the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Arjun Singh'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 Affiliation DataDmand AI Practice 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) |
| 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. Arjun Singh
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. Arjun Singh's NPI number?
Dr. Arjun Singh's NPI number is 1780619957. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Arjun Singh?
Dr. Arjun Singh is an internist in Alton, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Arjun Singh practice?
Dr. Singh practices at One Memorial Drive, Alton, IL 62002. Dr. Singh also practices at 1 Memorial Dr, Alton, IL 62002. Dr. Singh's primary practice is Alton Memorial Hospital in Alton, Illinois, part of BJC Health. Dmand AI also links Dr. Singh to 1 hospital and 3 medical groups.
What is Dr. Arjun Singh's office phone number?
The practice phone on file for Dr. Singh is (314) 286-2227.
What is Dr. Arjun Singh's medical license number?
Dr. Singh holds Missouri license MD 104712, one of the licenses on file in 2 states.
Which states has Dr. Arjun Singh been licensed in?
Dmand AI has state licenses on file for Dr. Singh in Missouri and Illinois.
Which hospitals is Dr. Arjun Singh affiliated with?
Dr. Singh practices at Alton Memorial Hospital in Alton, Illinois. Dr. Singh is also affiliated with Memorial Hospital in Belleville. Dmand AI links Dr. Singh to 1 more hospital.
What medical group is Dr. Arjun Singh part of?
Dr. Singh is linked to BJC Medical Group. Dmand AI links Dr. Singh to 3 more medical groups.
Does Dr. Arjun Singh accept Medicare?
Yes. CMS data shows Dr. Singh billed Medicare for 486 services in 2024, and Dr. Singh accepts Medicare assignment.
How many Medicare patients does Dr. Arjun Singh see?
CMS counts 181 Medicare patients who saw Dr. Singh in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Arjun Singh bill to Medicare?
In 2024, Dr. Singh's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99231).
What drugs does Dr. Arjun Singh prescribe most?
In 2024 Medicare Part D data, Dr. Singh's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Rosuvastatin Calcium and Lisinopril.
Has Dr. Arjun Singh received payments from drug or device companies?
CMS Open Payments shows $2,713 in general payments to Dr. Singh from 12 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Arjun Singh been practicing?
Dr. Singh graduated from medical school in 1985, 41 years ago.
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