Dr. Robert S. Kaliappan, MD
- Medicare services, 2024
- 1,868
- Medicare patients, 2024
- 1,117
- Part D claims, 2024
- 386
- MIPS score, 2024
- 86
- Hospital affiliations
- 1
- Practice address
- 13632 N 99th Ave, Sun City, AZ 85351
- Practice phone
- Call (623) 832-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kaliappan'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 S. Kaliappan is an emergency medicine physician in Sun City, Arizona
Dr. Kaliappan practices at Banner Boswell Medical Center in Sun City, Arizona, part of Banner Health.
Dr. Kaliappan's NPI, 1164612578, was assigned on July 31, 2007. Dr. Kaliappan graduated from Northwestern University Feinberg Medical School in 2006. Dr. Kaliappan holds Pennsylvania license MD438276.
- NPI
- 1164612578NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688706328
- NPI enumeration date
- July 31, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (623) 832-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert S. Kaliappan practices at 2 locations in Sun City, Arizona
Dr. Kaliappan's primary practice is Banner Boswell Medical Center, at 13632 N 99th Ave, Sun City, AZ 85351 in Maricopa County. The practice phone is (623) 832-4000. Dr. Kaliappan also practices at Banner Boswell Medical Center, 10401 W Thunderbird Blvd, Sun City, AZ 85351.
- Banner Boswell Medical CenterPrimary13632 N 99th Ave, Sun City, AZ 85351 · Maricopa CountyPhone(623) 832-4000
- Banner Boswell Medical Center10401 W Thunderbird Blvd, Sun City, AZ 85351 · Maricopa CountyPhone(623) 832-4000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert S. Kaliappan is affiliated with 2 sites of care and 2 medical groups
Dr. Kaliappan's primary practice is Banner Boswell Medical Center in Sun City, Arizona, part of Banner Health. The medical group on file is Banner Medical Group. Dmand AI also links Dr. Kaliappan to 1 more therapy and rehab clinic 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. Robert S. Kaliappan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaliappan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Banner Boswell Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Banner Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert S. Kaliappan is one of 1,360 emergency medicine physicians in Arizona
Emergency medicine is Dr. Kaliappan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Kaliappan is licensed in Pennsylvania.
Specialties and state licenses
- Emergency medicine, PennsylvaniaPrimary
Emergency medicine physicians near Dr. Kaliappan
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. Robert S. Kaliappan billed Medicare for 1,868 services in 2024
CMS data shows 1,868 Medicare services from Dr. Kaliappan across 5 procedure codes in 2024, for 1,117 Medicare patients. Medicare paid $165,739 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kaliappan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4122024: 1,176185%
- Tests and treatments
- 2023: 2532024: 681169%
- Surgery
- 2023: 02024: 11
Dr. Kaliappan compared with the Arizona median for emergency medicine physicians, 2024
- Dr. Kaliappan
- Arizona median
- Medicare services
- 1,868vs 2168.6 times
- Medicare patients
- 1,117vs 2105.3 times
- Part D claims
- 268vs 505.4 times
Medians across 1,326 emergency medicine physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Kaliappan'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.
Need commercial claims for Dr. Kaliappan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kaliappan and other emergency medicine physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert S. Kaliappan treated 1,117 Medicare patients in 2024, average age 78
CMS counts 1,117 Medicare patients who saw Dr. Kaliappan in 2024. The largest group is 75 to 84, with 484 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.10, 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. Kaliappan's median patient age at 67, with 58% women.
Dr. Kaliappan's Medicare patients by age, 2024
Dr. Kaliappan's Medicare patients by sex, 2024
- Women63257%
- Men48543%
Chronic conditions among Dr. Kaliappan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Chronic kidney disease51%
- Ischemic heart disease46%
- Anxiety43%
- Mood disorders43%
- Depression40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kaliappan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert S. Kaliappan wrote 386 Medicare Part D claims in 2024
In 2024, Dr. Kaliappan wrote 386 Medicare Part D claims for 264 patients. 97% of them were for generic drugs. CMS names the drug for 268 of them, across 13 drugs with 11 or more claims each, at $1,874 in total drug cost. In 2023, CMS named 27 claims across 2 drugs.
Dr. Kaliappan's Part D claims by kind of drug, 2024
- Generic376 claims97%
- Brand-name and other10 claims3%
Dr. Kaliappan'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. Kaliappan's Part D claims, 2024
- Opioids14%54 of 386 claims
- Antibiotics28%110 of 386 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: 272024: 268893%
Drugs named by CMS: 13 in 2024, 2 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. Robert S. Kaliappan scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Kaliappan for performance year 2024, reported as part of a group. Dr. Kaliappan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kaliappan's MIPS scores, performance year 2024
- 86of 100Final score
- 81.6of 100Quality
- 40of 100Improvement Activities
- 78of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Robert S. Kaliappan received $24 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Kaliappan from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. CSL Behring paid the most, $24.
Companies that paid Dr. Kaliappan the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert S. Kaliappan graduated from Northwestern University Feinberg Medical School
Dr. Kaliappan graduated from Northwestern University Feinberg Medical School in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert S. Kaliappan'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)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. Robert S. Kaliappan
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 S. Kaliappan's NPI number?
Dr. Robert S. Kaliappan's NPI number is 1164612578. It was assigned on July 31, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert S. Kaliappan?
Dr. Robert S. Kaliappan is an emergency medicine physician in Sun City, Arizona. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert S. Kaliappan practice?
Dr. Kaliappan practices at 13632 N 99th Ave, Sun City, AZ 85351. Dr. Kaliappan also practices at 10401 W Thunderbird Blvd, Sun City, AZ 85351. Dr. Kaliappan's primary practice is Banner Boswell Medical Center in Sun City, Arizona, part of Banner Health. Dmand AI also links Dr. Kaliappan to 1 therapy and rehab clinic and 1 medical group.
What is Dr. Robert S. Kaliappan's office phone number?
The practice phone on file for Dr. Kaliappan is (623) 832-4000.
What is Dr. Robert S. Kaliappan's medical license number?
Dr. Kaliappan holds Pennsylvania license MD438276.
Which hospitals is Dr. Robert S. Kaliappan affiliated with?
Dr. Kaliappan practices at Banner Boswell Medical Center in Sun City, Arizona.
What medical group is Dr. Robert S. Kaliappan part of?
Dr. Kaliappan is linked to Banner Medical Group. Dmand AI links Dr. Kaliappan to 1 more medical group.
Does Dr. Robert S. Kaliappan accept Medicare?
Yes. CMS data shows Dr. Kaliappan billed Medicare for 1,868 services in 2024, and Dr. Kaliappan accepts Medicare assignment.
What is Dr. Robert S. Kaliappan's MIPS score?
Dr. Kaliappan's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Robert S. Kaliappan see?
CMS counts 1,117 Medicare patients who saw Dr. Kaliappan in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
What services does Dr. Robert S. Kaliappan bill to Medicare?
In 2024, Dr. Kaliappan's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Robert S. Kaliappan go to medical school?
Dr. Kaliappan graduated from Northwestern University Feinberg Medical School in 2006.
What drugs does Dr. Robert S. Kaliappan prescribe most?
In 2024 Medicare Part D data, Dr. Kaliappan's most prescribed drugs by claims were Ondansetron HCl, Oxycodone HCl and Prednisone.
Has Dr. Robert S. Kaliappan received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Kaliappan from 1 company from 2022 to 2022. The largest total came from CSL Behring.
How long has Dr. Robert S. Kaliappan been practicing?
Dr. Kaliappan graduated from medical school in 2006, 20 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians in Arizona by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card