Dr. Sharavanan Thevanayagam, MD
- Medicare services, 2024
- 579
- Medicare patients, 2024
- 267
- Part D claims, 2024
- 283
- Hospital affiliations
- 3
- Industry payments
- $1,731
- Practice address
- 565 Abbott Road, Buffalo, NY 14220
- Practice phone
- Call (716) 826-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thevanayagam'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. Sharavanan Thevanayagam is an internist in Buffalo, New York
Dr. Thevanayagam practices at Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System.
Dr. Thevanayagam's NPI, 1669883120, was assigned on May 17, 2014. Dr. Thevanayagam graduated from University at Buffalo School of Medicine in 2014. Dr. Thevanayagam holds New York license 290602-1.
- NPI
- 1669883120NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850657859
- NPI enumeration date
- May 17, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 826-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sharavanan Thevanayagam practices at Mercy Hospital of Buffalo in Buffalo, New York
Dr. Thevanayagam's primary practice is Mercy Hospital of Buffalo, at 565 Abbott Road, Buffalo, NY 14220 in Erie County. The practice phone is (716) 826-7000.
- Mercy Hospital of Buffalo565 Abbott Road, Buffalo, NY 14220 · Erie CountyPhone(716) 826-7000
Source: Dmand AI Affiliation Data
Dr. Sharavanan Thevanayagam is affiliated with 6 sites of care and 4 medical groups
Dr. Thevanayagam's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Dr. Thevanayagam is also affiliated with Sisters of Charity Hospital. The medical group on file is Mercy Hospital of Buffalo. Dmand AI also links Dr. Thevanayagam to 1 more hospital, 3 group practices and clinics and 3 medical groups, each named with a free account. Dr. Thevanayagam's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sharavanan Thevanayagam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thevanayagam practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital of Buffalo | Available with a free account |
| +5 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 Catholic Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sharavanan Thevanayagam is one of 9,643 internists in New York
Internal medicine is Dr. Thevanayagam's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thevanayagam is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Thevanayagam
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. Sharavanan Thevanayagam billed Medicare for 579 services in 2024
CMS data shows 579 Medicare services from Dr. Thevanayagam across 6 procedure codes in 2024, for 267 Medicare patients. Medicare paid $49,001 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thevanayagam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5222024: 57911%
Dr. Thevanayagam compared with the New York median for internists, 2024
- Dr. Thevanayagam
- New York median
- Medicare services
- 579vs 42636% above
- Medicare patients
- 267vs 15869% above
- Part D claims
- 106vs 62283% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Thevanayagam'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. Thevanayagam?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thevanayagam and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sharavanan Thevanayagam treated 267 Medicare patients in 2024, average age 74
CMS counts 267 Medicare patients who saw Dr. Thevanayagam in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.42, 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. Thevanayagam's median patient age at 75, with 58% women.
Dr. Thevanayagam's Medicare patients by age, 2024
Dr. Thevanayagam's Medicare patients by sex, 2024
- Women14956%
- Men11844%
Chronic conditions among Dr. Thevanayagam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Arthritis55%
- Mood disorders47%
- Diabetes46%
- Depression45%
- Ischemic heart disease42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thevanayagam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
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. Sharavanan Thevanayagam wrote 283 Medicare Part D claims in 2024
In 2024, Dr. Thevanayagam wrote 283 Medicare Part D claims for 165 patients. 90% of them were for generic drugs. CMS names the drug for 106 of them, across 5 drugs with 11 or more claims each, at $535 in total drug cost. In 2023, CMS named 80 claims across 5 drugs.
Dr. Thevanayagam's Part D claims by kind of drug, 2024
- Generic255 claims90%
- Brand-name and other28 claims10%
Dr. Thevanayagam'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. Thevanayagam's Part D claims, 2024
- Opioids12%33 of 283 claims
- Antibiotics24%69 of 283 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: 802024: 10633%
Drugs named by CMS: 5 in 2024, 5 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. Sharavanan Thevanayagam takes part in Medicare
Dr. Thevanayagam 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)
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. Sharavanan Thevanayagam received $1,731 in industry payments from 2017 to 2025
CMS Open Payments shows 48 general payments to Dr. Thevanayagam from 14 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $282.
General payments to Dr. Thevanayagam by program year, 2017 to 2025
Companies that paid Dr. Thevanayagam the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sharavanan Thevanayagam graduated from University at Buffalo School of Medicine
Dr. Thevanayagam graduated from University at Buffalo School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sharavanan Thevanayagam'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) |
| 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. Sharavanan Thevanayagam
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. Sharavanan Thevanayagam's NPI number?
Dr. Sharavanan Thevanayagam's NPI number is 1669883120. It was assigned on May 17, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Sharavanan Thevanayagam?
Dr. Sharavanan Thevanayagam is an internist in Buffalo, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sharavanan Thevanayagam practice?
Dr. Thevanayagam practices at 565 Abbott Road, Buffalo, NY 14220. Dr. Thevanayagam's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Dmand AI also links Dr. Thevanayagam to 1 hospital, 3 group practices and clinics and 3 medical groups.
What is Dr. Sharavanan Thevanayagam's office phone number?
The practice phone on file for Dr. Thevanayagam is (716) 826-7000.
What is Dr. Sharavanan Thevanayagam's medical license number?
Dr. Thevanayagam holds New York license 290602-1.
Which hospitals is Dr. Sharavanan Thevanayagam affiliated with?
Dr. Thevanayagam practices at Mercy Hospital of Buffalo in Buffalo, New York. Dr. Thevanayagam is also affiliated with Sisters of Charity Hospital. Dmand AI links Dr. Thevanayagam to 1 more hospital.
What medical group is Dr. Sharavanan Thevanayagam part of?
Dr. Thevanayagam is linked to Mercy Hospital of Buffalo. Dmand AI links Dr. Thevanayagam to 3 more medical groups.
Does Dr. Sharavanan Thevanayagam accept Medicare?
Yes. CMS data shows Dr. Thevanayagam billed Medicare for 579 services in 2024, and Dr. Thevanayagam accepts Medicare assignment.
How many Medicare patients does Dr. Sharavanan Thevanayagam see?
CMS counts 267 Medicare patients who saw Dr. Thevanayagam in 2024, with an average age of 74.
What services does Dr. Sharavanan Thevanayagam bill to Medicare?
In 2024, Dr. Thevanayagam's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Sharavanan Thevanayagam go to medical school?
Dr. Thevanayagam graduated from University at Buffalo School of Medicine in 2014.
What drugs does Dr. Sharavanan Thevanayagam prescribe most?
In 2024 Medicare Part D data, Dr. Thevanayagam's most prescribed drugs by claims were Cefdinir, Prednisone and Pantoprazole Sodium.
Has Dr. Sharavanan Thevanayagam received payments from drug or device companies?
CMS Open Payments shows $1,731 in general payments to Dr. Thevanayagam from 14 companies from 2017 to 2025. The largest total came from Allergan Inc.
How long has Dr. Sharavanan Thevanayagam been practicing?
Dr. Thevanayagam graduated from medical school in 2014, 12 years ago.
Selling to internal medicine practices?
See internists in New York 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