Dr. Fnu Avinashsingh Eswarsingh, MD
- Part D claims, 2024
- 713
- Hospital affiliations
- 3
- Industry payments
- $9,019
- Medical groups
- 2
- State license
- 1
- Practice address
- 1225 E Weisgarber Rd, Knoxville, TN 37909
- Practice phone
- Call (865) 392-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Knoxville HMA Cardiology Ppm
Knoxville, Tennessee
Find Dr. Eswarsingh'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. Fnu Avinashsingh Eswarsingh is an internist in Knoxville, Tennessee
Dr. Eswarsingh practices at Knoxville HMA Cardiology Ppm in Knoxville, Tennessee.
Dr. Eswarsingh's NPI, 1437637535, was assigned on July 31, 2018. Dr. Eswarsingh holds Massachusetts license 275743.
- NPI
- 1437637535NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507115359
- NPI enumeration date
- July 31, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 392-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Fnu Avinashsingh Eswarsingh practices at Knoxville HMA Cardiology Ppm in Knoxville, Tennessee
Dr. Eswarsingh's primary practice is Knoxville HMA Cardiology Ppm, at 1225 E Weisgarber Rd, Knoxville, TN 37909 in Knox County. The practice phone is (865) 392-3400.
- Knoxville HMA Cardiology Ppm1225 E Weisgarber Rd, Knoxville, TN 37909 · Knox CountyPhone(865) 392-3400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Fnu Avinashsingh Eswarsingh is affiliated with 6 sites of care and 2 medical groups
Dr. Eswarsingh's primary practice is Knoxville HMA Cardiology Ppm in Knoxville, Tennessee. Dr. Eswarsingh is also affiliated with Tennova North Knoxville Medical Center. The medical group on file is East Tennessee Heart Consultants. Dmand AI also links Dr. Eswarsingh to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Fnu Avinashsingh Eswarsingh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eswarsingh practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Knoxville HMA Cardiology Ppm | Available with a free account |
| +5 more sites 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Fnu Avinashsingh Eswarsingh is one of 2,427 internists in Tennessee
Internal medicine is Dr. Eswarsingh's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Eswarsingh is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Eswarsingh
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. Fnu Avinashsingh Eswarsingh's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Eswarsingh's median patient age at 74, with 54% women.
Dr. Eswarsingh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Fnu Avinashsingh Eswarsingh wrote 713 Medicare Part D claims in 2024
In 2024, Dr. Eswarsingh wrote 713 Medicare Part D claims for 109 patients. 83% of them were for generic drugs. CMS names the drug for 613 of them, across 19 drugs with 11 or more claims each, at $101,200 in total drug cost. In 2023, CMS named 456 claims across 16 drugs.
Dr. Eswarsingh's Part D claims by kind of drug, 2024
- Generic589 claims83%
- Brand-name124 claims17%
Dr. Eswarsingh'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4562024: 61334%
Drugs named by CMS: 19 in 2024, 16 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. Fnu Avinashsingh Eswarsingh takes part in Medicare
Dr. Eswarsingh 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. Fnu Avinashsingh Eswarsingh received $9,019 in industry payments from 2018 to 2025
CMS Open Payments shows 155 general payments to Dr. Eswarsingh from 29 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 75% of the total. CVRx, Inc. paid the most, $3,338.
General payments to Dr. Eswarsingh by program year, 2018 to 2025
General payments to Dr. Eswarsingh by kind, 2018 to 2025
- Food and beverage$6,74275%
- Travel and lodging$1,74719%
- Education$5306%
Companies that paid Dr. Eswarsingh the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Fnu Avinashsingh Eswarsingh'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Fnu Avinashsingh Eswarsingh
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. Fnu Avinashsingh Eswarsingh's NPI number?
Dr. Fnu Avinashsingh Eswarsingh's NPI number is 1437637535. It was assigned on July 31, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Fnu Avinashsingh Eswarsingh?
Dr. Fnu Avinashsingh Eswarsingh is an internist in Knoxville, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Fnu Avinashsingh Eswarsingh practice?
Dr. Eswarsingh practices at 1225 E Weisgarber Rd, Knoxville, TN 37909. Dr. Eswarsingh's primary practice is Knoxville HMA Cardiology Ppm in Knoxville, Tennessee. Dmand AI also links Dr. Eswarsingh to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Fnu Avinashsingh Eswarsingh's office phone number?
The practice phone on file for Dr. Eswarsingh is (865) 392-3400.
What is Dr. Fnu Avinashsingh Eswarsingh's medical license number?
Dr. Eswarsingh holds Massachusetts license 275743.
Which hospitals is Dr. Fnu Avinashsingh Eswarsingh affiliated with?
Dr. Eswarsingh is affiliated with Tennova North Knoxville Medical Center. Dmand AI links Dr. Eswarsingh to 2 more hospitals.
What medical group is Dr. Fnu Avinashsingh Eswarsingh part of?
Dr. Eswarsingh is linked to East Tennessee Heart Consultants. Dmand AI links Dr. Eswarsingh to 1 more medical group.
Does Dr. Fnu Avinashsingh Eswarsingh accept Medicare?
Yes. CMS lists Dr. Eswarsingh as accepting Medicare assignment.
What drugs does Dr. Fnu Avinashsingh Eswarsingh prescribe most?
In 2024 Medicare Part D data, Dr. Eswarsingh's most prescribed drugs by claims were Isosorbide Mononitrate ER, Metoprolol Succinate and Ezetimibe.
Has Dr. Fnu Avinashsingh Eswarsingh received payments from drug or device companies?
CMS Open Payments shows $9,019 in general payments to Dr. Eswarsingh from 29 companies from 2018 to 2025. The largest total came from CVRx, Inc.
How long has Dr. Fnu Avinashsingh Eswarsingh been practicing?
Dr. Eswarsingh graduated from medical school in 2016, 10 years ago.
Selling to internal medicine practices?
See internists in Tennessee 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