Dr. Sumangaly Thambiaiyah, MD
- Medicare services, 2024
- 421
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 272
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 1540 Maple Road, Williamsville, NY 14221
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Millard Fillmore Suburban Hospital - Infusion Therapy - HOPD
Acute Care Hospital outpatient department · Williamsville, New York
Find Dr. Thambiaiyah'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. Sumangaly Thambiaiyah is an internist in Buffalo, New York
Dr. Thambiaiyah practices at Millard Fillmore Suburban Hospital - Infusion Therapy - HOPD in Williamsville, New York.
Dr. Thambiaiyah's NPI, 1538424205, was assigned on July 9, 2012. Dr. Thambiaiyah graduated from Ross University School of Medicine in 2012. Dr. Thambiaiyah holds New York license 280078-01.
- NPI
- 1538424205NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325348675
- NPI enumeration date
- July 9, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sumangaly Thambiaiyah practices at Millard Fillmore Suburban Hospital - Infusion Therapy - HOPD in Williamsville, New York
Dr. Thambiaiyah's primary practice is Millard Fillmore Suburban Hospital - Infusion Therapy - HOPD, at 1540 Maple Road, Williamsville, NY 14221.
- Millard Fillmore Suburban Hospital - Infusion Therapy - HOPD1540 Maple Road, Williamsville, NY 14221
Source: Dmand AI Affiliation Data
Dr. Sumangaly Thambiaiyah is affiliated with 3 sites of care and 4 medical groups
Dr. Thambiaiyah's primary practice is Millard Fillmore Suburban Hospital - Infusion Therapy - HOPD in Williamsville, New York. Dr. Thambiaiyah is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is General Physician. Dmand AI also links Dr. Thambiaiyah to 1 more hospital and 3 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sumangaly Thambiaiyah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thambiaiyah practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Millard Fillmore Suburban Hospital - Infusion Therapy - HOPD | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sumangaly Thambiaiyah is one of 9,643 internists in New York
Internal medicine is Dr. Thambiaiyah's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thambiaiyah is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Thambiaiyah
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. Sumangaly Thambiaiyah billed Medicare for 421 services in 2024
CMS data shows 421 Medicare services from Dr. Thambiaiyah across 4 procedure codes in 2024, for 170 Medicare patients. Medicare paid $35,157 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thambiaiyah's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5942024: 42129%
Dr. Thambiaiyah compared with the New York median for internists, 2024
- Dr. Thambiaiyah
- New York median
- Medicare services
- 421vs 426Close to median
- Medicare patients
- 170vs 1588% above
- Part D claims
- 67vs 62289% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Thambiaiyah'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. Thambiaiyah and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sumangaly Thambiaiyah treated 170 Medicare patients in 2024, average age 75
CMS counts 170 Medicare patients who saw Dr. Thambiaiyah in 2024. The largest group is 75 to 84, with 53 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.57, 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. Thambiaiyah's median patient age at 75, with 55% women.
Dr. Thambiaiyah's Medicare patients by age, 2024
Dr. Thambiaiyah's Medicare patients by sex, 2024
- Women9455%
- Men7645%
Chronic conditions among Dr. Thambiaiyah's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease58%
- Anxiety52%
- Heart failure50%
- Ischemic heart disease50%
- Diabetes45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thambiaiyah'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
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sumangaly Thambiaiyah wrote 272 Medicare Part D claims in 2024
In 2024, Dr. Thambiaiyah wrote 272 Medicare Part D claims for 130 patients. 88% of them were for generic drugs. CMS names the drug for 67 of them, across 4 drugs with 11 or more claims each, at $386 in total drug cost. In 2023, CMS named 75 claims across 5 drugs.
Dr. Thambiaiyah's Part D claims by kind of drug, 2024
- Generic238 claims88%
- Brand-name and other34 claims13%
Dr. Thambiaiyah'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. Thambiaiyah's Part D claims, 2024
- Opioids6%16 of 272 claims
- Antibiotics24%65 of 272 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: 752024: 6711%
Drugs named by CMS: 4 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. Sumangaly Thambiaiyah takes part in Medicare
Dr. Thambiaiyah 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. Sumangaly Thambiaiyah has 1 publication on record
Dmand AI links 1 paper to Dr. Thambiaiyah in 2014. Dr. Thambiaiyah's most frequent co-authors are Adel Obaji, MD, Gbolahan O. Ogunbayo, MD and Amole Oloyede Ojo, MD.
Dr. Thambiaiyah's most frequent co-authors
- Adel Obaji, MD1 shared paper
- Gbolahan O. Ogunbayo, MD1 shared paper
- Amole Oloyede Ojo, MD1 shared paper
Recent publications by Dr. Thambiaiyah
See who Dr. Thambiaiyah researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thambiaiyah works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sumangaly Thambiaiyah received $490 in industry payments from 2016 to 2024
CMS Open Payments shows 18 general payments to Dr. Thambiaiyah from 9 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $125.
General payments to Dr. Thambiaiyah by program year, 2016 to 2024
Companies that paid Dr. Thambiaiyah the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sumangaly Thambiaiyah graduated from Ross University School of Medicine
Dr. Thambiaiyah graduated from Ross University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sumangaly Thambiaiyah'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 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) |
| 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. Sumangaly Thambiaiyah
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. Sumangaly Thambiaiyah's NPI number?
Dr. Sumangaly Thambiaiyah's NPI number is 1538424205. It was assigned on July 9, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Sumangaly Thambiaiyah?
Dr. Sumangaly Thambiaiyah is an internist in Buffalo, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sumangaly Thambiaiyah practice?
Dr. Thambiaiyah practices at 1540 Maple Road, Williamsville, NY 14221. Dr. Thambiaiyah's primary practice is Millard Fillmore Suburban Hospital - Infusion Therapy - HOPD in Williamsville, New York. Dmand AI also links Dr. Thambiaiyah to 1 hospital and 3 medical groups.
What is Dr. Sumangaly Thambiaiyah's medical license number?
Dr. Thambiaiyah holds New York license 280078-01.
Which hospitals is Dr. Sumangaly Thambiaiyah affiliated with?
Dr. Thambiaiyah is affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Dr. Thambiaiyah to 1 more hospital.
What medical group is Dr. Sumangaly Thambiaiyah part of?
Dr. Thambiaiyah is linked to General Physician. Dmand AI links Dr. Thambiaiyah to 3 more medical groups.
Does Dr. Sumangaly Thambiaiyah accept Medicare?
Yes. CMS data shows Dr. Thambiaiyah billed Medicare for 421 services in 2024, and Dr. Thambiaiyah accepts Medicare assignment.
How many Medicare patients does Dr. Sumangaly Thambiaiyah see?
CMS counts 170 Medicare patients who saw Dr. Thambiaiyah in 2024, with an average age of 75.
What services does Dr. Sumangaly Thambiaiyah bill to Medicare?
In 2024, Dr. Thambiaiyah's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Sumangaly Thambiaiyah go to medical school?
Dr. Thambiaiyah graduated from Ross University School of Medicine in 2012.
Show 5 more questionsShow fewer questions
What drugs does Dr. Sumangaly Thambiaiyah prescribe most?
In 2024 Medicare Part D data, Dr. Thambiaiyah's most prescribed drugs by claims were Prednisone, Pantoprazole Sodium and Cefuroxime.
Has Dr. Sumangaly Thambiaiyah received payments from drug or device companies?
CMS Open Payments shows $490 in general payments to Dr. Thambiaiyah from 9 companies from 2016 to 2024. The largest total came from Amgen Inc.
How long has Dr. Sumangaly Thambiaiyah been practicing?
Dr. Thambiaiyah graduated from medical school in 2012, 14 years ago.
Does Dr. Sumangaly Thambiaiyah do research?
Dmand AI links 1 publication to Dr. Thambiaiyah.
Who does Dr. Sumangaly Thambiaiyah publish with?
Dr. Thambiaiyah's most frequent co-authors are Adel Obaji, MD (1 shared paper), Gbolahan O. Ogunbayo, MD (1 shared paper) and Amole Oloyede Ojo, MD (1 shared paper).
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