Dr. Puvanalingam Ayyadurai, MD
- Medicare services, 2024
- 5,713
- Medicare patients, 2024
- 2,247
- Part D claims, 2024
- 3,445
- Publications
- 9
- Hospital affiliations
- 5
- Practice address
- 1200 S Columbia Rd, Grand Forks, ND 58201
- Practice phone
- Call (701) 780-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ayyadurai'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. Puvanalingam Ayyadurai is a cardiologist in Grand Forks, North Dakota
Dr. Ayyadurai practices at Altru Hospital in Grand Forks, North Dakota, part of Altru Health System.
Dr. Ayyadurai's NPI, 1972919942, was assigned on July 10, 2014. Dr. Ayyadurai holds North Dakota license 15887.
- NPI
- 1972919942NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830511062
- NPI enumeration date
- July 10, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (701) 780-5000
- 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. Puvanalingam Ayyadurai practices at Altru Hospital in Grand Forks, North Dakota
Dr. Ayyadurai's primary practice is Altru Hospital, at 1200 S Columbia Rd, Grand Forks, ND 58201 in Grand Forks County. The practice phone is (701) 780-5000.
- Altru Hospital1200 S Columbia Rd, Grand Forks, ND 58201 · Grand Forks CountyPhone(701) 780-5000
Source: Dmand AI Affiliation Data
Dr. Puvanalingam Ayyadurai is affiliated with 6 sites of care and 1 medical group
Dr. Ayyadurai's primary practice is Altru Hospital in Grand Forks, North Dakota, part of Altru Health System. Dr. Ayyadurai is also affiliated with LifeCare Medical Center. The medical group on file is Altru Health System. Dmand AI also links Dr. Ayyadurai to 3 more hospitals and 1 group practice or clinic, 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. Puvanalingam Ayyadurai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ayyadurai practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Altru Hospital | Available with a free account |
| +5 more affiliated sites | 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 Altru Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Puvanalingam Ayyadurai is one of 43 cardiologists in North Dakota
Cardiovascular disease is Dr. Ayyadurai's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Ayyadurai is licensed in North Dakota.
Specialties and state licenses
- Cardiovascular disease, North DakotaPrimary
Cardiologists near Dr. Ayyadurai
Counts of cardiologists 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. Puvanalingam Ayyadurai billed Medicare for 5,713 services in 2024
CMS data shows 5,713 Medicare services from Dr. Ayyadurai across 28 procedure codes in 2024, for 2,247 Medicare patients. Medicare paid $166,437 for them.
Dr. Ayyadurai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5,2522024: 4,68811%
- Office and hospital visits
- 2023: 6262024: 624No change
- Imaging
- 2023: 2662024: 36236%
- Lab and pathology
- 2023: 462024: 3915%
- Other services
- 2023: 232024: 0100%
- Surgery
- 2023: 222024: 0100%
Where Dr. Ayyadurai's Medicare services took place, 2024
- In an office1813%
- In a facility5,53297%
Dr. Ayyadurai compared with the North Dakota median for cardiologists, 2024
- Dr. Ayyadurai
- North Dakota median
- Medicare services
- 5,713vs 1,9213.0 times
- Medicare patients
- 2,247vs 1,19488% above
- Part D claims
- 3,241vs 8573.8 times
Medians across 48 cardiologists in North Dakota with Dmand AI profiles that report each measure.
Dr. Ayyadurai'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. Ayyadurai and other cardiologists in North Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Puvanalingam Ayyadurai treated 2,247 Medicare patients in 2024, average age 75
CMS counts 2,247 Medicare patients who saw Dr. Ayyadurai in 2024. The largest group is 65 to 74, with 878 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.61, 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. Ayyadurai's median patient age at 76, with 51% women.
Dr. Ayyadurai's Medicare patients by age, 2024
Dr. Ayyadurai's Medicare patients by sex, 2024
- Women1,13050%
- Men1,11750%
Chronic conditions among Dr. Ayyadurai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease49%
- Atrial fibrillation41%
- Heart failure41%
- Arthritis38%
- Chronic kidney disease35%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ayyadurai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
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. Puvanalingam Ayyadurai wrote 3,445 Medicare Part D claims in 2024
In 2024, Dr. Ayyadurai wrote 3,445 Medicare Part D claims for 505 patients. 80% of them were for generic drugs. CMS names the drug for 3,241 of them, across 41 drugs with 11 or more claims each, at $3,107,475 in total drug cost. In 2023, CMS named 3,081 claims across 41 drugs.
Dr. Ayyadurai's Part D claims by kind of drug, 2024
- Generic2,762 claims80%
- Brand-name683 claims20%
Dr. Ayyadurai'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. Ayyadurai's Part D claims, 2024
- Antibiotics0%15 of 3,445 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: 3,0812024: 3,2415%
Drugs named by CMS: 41 in 2024, 41 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. Puvanalingam Ayyadurai offers telehealth to Medicare patients
Dr. Ayyadurai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ayyadurai as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Puvanalingam Ayyadurai has 9 publications on record
Dmand AI links 9 papers to Dr. Ayyadurai, published from 2016 to 2020. 2017 was the busiest year, with 2. The most frequent topics are Heart Failure. Dr. Ayyadurai's most frequent co-authors are Muhammad Saad, MD, Niel N. Shah, MD and Timothy J. Vittorio, MD.
Dr. Ayyadurai's papers by year, 2016 to 2020
Topics Dr. Ayyadurai writes about most
- Heart Failure
Dr. Ayyadurai's most frequent co-authors
- Muhammad Saad, MD3 shared papers
- Niel N. Shah, MD3 shared papers
- Timothy J. Vittorio, MD3 shared papers
Recent publications by Dr. Ayyadurai
Am J Case Rep
J Med Case Rep
See who Dr. Ayyadurai researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ayyadurai works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Puvanalingam Ayyadurai received $2,900 in industry payments from 2020 to 2025
CMS Open Payments shows 35 general payments to Dr. Ayyadurai from 14 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 54% of the total. Merck Sharp & Dohme Corporation paid the most, $1,562.
General payments to Dr. Ayyadurai by program year, 2020 to 2025
General payments to Dr. Ayyadurai by kind, 2020 to 2025
- Food and beverage$1,56454%
- Travel and lodging$1,17240%
- Education$1646%
Companies that paid Dr. Ayyadurai the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Puvanalingam Ayyadurai'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Puvanalingam Ayyadurai
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. Puvanalingam Ayyadurai's NPI number?
Dr. Puvanalingam Ayyadurai's NPI number is 1972919942. It was assigned on July 10, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Puvanalingam Ayyadurai?
Dr. Puvanalingam Ayyadurai is a cardiologist in Grand Forks, North Dakota. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Puvanalingam Ayyadurai practice?
Dr. Ayyadurai practices at 1200 S Columbia Rd, Grand Forks, ND 58201. Dr. Ayyadurai's primary practice is Altru Hospital in Grand Forks, North Dakota, part of Altru Health System. Dmand AI also links Dr. Ayyadurai to 3 hospitals and 1 group practice or clinic.
What is Dr. Puvanalingam Ayyadurai's office phone number?
The practice phone on file for Dr. Ayyadurai is (701) 780-5000.
What is Dr. Puvanalingam Ayyadurai's medical license number?
Dr. Ayyadurai holds North Dakota license 15887.
Which hospitals is Dr. Puvanalingam Ayyadurai affiliated with?
Dr. Ayyadurai practices at Altru Hospital in Grand Forks, North Dakota. Dr. Ayyadurai is also affiliated with LifeCare Medical Center. Dmand AI links Dr. Ayyadurai to 3 more hospitals.
What medical group is Dr. Puvanalingam Ayyadurai part of?
Dr. Ayyadurai is linked to Altru Health System.
Does Dr. Puvanalingam Ayyadurai accept Medicare?
Yes. CMS data shows Dr. Ayyadurai billed Medicare for 5,713 services in 2024, and Dr. Ayyadurai accepts Medicare assignment.
Does Dr. Puvanalingam Ayyadurai offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ayyadurai as offering telehealth services.
How many Medicare patients does Dr. Puvanalingam Ayyadurai see?
CMS counts 2,247 Medicare patients who saw Dr. Ayyadurai in 2024, with an average age of 75.
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What services does Dr. Puvanalingam Ayyadurai bill to Medicare?
In 2024, Dr. Ayyadurai's most billed Medicare services were heart test or procedure (93793), heart test or procedure (93306) and heart test or procedure (93010).
What drugs does Dr. Puvanalingam Ayyadurai prescribe most?
In 2024 Medicare Part D data, Dr. Ayyadurai's most prescribed drugs by claims were Bumetanide, Isosorbide Mononitrate ER and Metoprolol Succinate.
Has Dr. Puvanalingam Ayyadurai received payments from drug or device companies?
CMS Open Payments shows $2,900 in general payments to Dr. Ayyadurai from 14 companies from 2020 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Puvanalingam Ayyadurai been practicing?
Dr. Ayyadurai graduated from medical school in 2007, 19 years ago.
Does Dr. Puvanalingam Ayyadurai do research?
Dmand AI links 9 publications to Dr. Ayyadurai, published from 2016 to 2020.
Who does Dr. Puvanalingam Ayyadurai publish with?
Dr. Ayyadurai's most frequent co-authors are Muhammad Saad, MD (3 shared papers), Niel N. Shah, MD (3 shared papers) and Timothy J. Vittorio, MD (3 shared papers).
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