Dr. Tharmathai Thammi Ramanan, MD
- Medicare services, 2024
- 568
- Medicare patients, 2024
- 280
- Part D claims, 2024
- 937
- Hospital affiliations
- 3
- Industry payments
- $24,351
- Practice address
- 1200 Memorial Drive, Dalton, GA 30720
- Practice phone
- Call (706) 272-6105
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Tharmathai Thammi Ramanan is an interventional cardiologist in Dalton, Georgia
Dr. Ramanan practices at Hamilton Medical Center in Dalton, Georgia, part of Hamilton Health Care System.
Dr. Ramanan's NPI, 1366730145, was assigned on July 14, 2011. Dr. Ramanan attended University of Tennessee, Hsc, College of Medicine. Dr. Ramanan holds Georgia license 89922.
- NPI
- 1366730145NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658513882
- NPI enumeration date
- July 14, 2011
- NPI status
- Active
- Practice phone
- (706) 272-6105
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Tharmathai Thammi Ramanan practices at Hamilton Medical Center in Dalton, Georgia
Dr. Ramanan's primary practice is Hamilton Medical Center, at 1200 Memorial Drive, Dalton, GA 30720 in Whitfield County. The practice phone is (706) 272-6105.
- Hamilton Medical Center1200 Memorial Drive, Dalton, GA 30720 · Whitfield CountyPhone(706) 272-6105
Source: Dmand AI Affiliation Data
Dr. Tharmathai Thammi Ramanan is affiliated with 8 sites of care and 10 medical groups
Dr. Ramanan's primary practice is Hamilton Medical Center in Dalton, Georgia, part of Hamilton Health Care System. Dr. Ramanan is also affiliated with CommonSpirit - Mercy Hospital. The medical group on file is Hamilton Medical Center. Dmand AI also links Dr. Ramanan to 1 more hospital, 9 medical groups and 5 group practices and clinics, each named with a free account. Dr. Ramanan'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. Tharmathai Thammi Ramanan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ramanan practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hamilton Medical Center | Available with a free account |
| +7 more sites and 9 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 Hamilton Health Care System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tharmathai Thammi Ramanan is one of 214 interventional cardiologists in Georgia
Interventional cardiology is Dr. Ramanan's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dmand AI has Dr. Ramanan's licenses on file in 3 states: Georgia, Colorado and New York.
Specialties and state licenses
- Interventional cardiology, GeorgiaPrimary
- Colorado license
- Cardiovascular disease, New York
Interventional cardiologists near Dr. Ramanan
Counts of interventional 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. Tharmathai Thammi Ramanan billed Medicare for 568 services in 2024
CMS data shows 568 Medicare services from Dr. Ramanan across 14 procedure codes in 2024, for 280 Medicare patients. Medicare paid $32,467 for them.
Dr. Ramanan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6172024: 31649%
- Office and hospital visits
- 2023: 2582024: 22114%
- Imaging
- 2023: 172024: 1912%
- Surgery
- 2023: 192024: 1237%
Where Dr. Ramanan's Medicare services took place, 2024
- In an office21237%
- In a facility35663%
Dr. Ramanan compared with the Georgia median for interventional cardiologists, 2024
- Dr. Ramanan
- Georgia median
- Medicare services
- 568vs 1,76668% below
- Medicare patients
- 280vs 72461% below
- Part D claims
- 825vs 2,43066% below
Medians across 213 interventional cardiologists in Georgia with Dmand AI profiles that report each measure.
Dr. Ramanan'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. Ramanan and other interventional cardiologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tharmathai Thammi Ramanan treated 280 Medicare patients in 2024, average age 76
CMS counts 280 Medicare patients who saw Dr. Ramanan in 2024. The largest group is 75 to 84, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.35, 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. Ramanan's median patient age at 73, with 54% women.
Dr. Ramanan's Medicare patients by age, 2024
Dr. Ramanan's Medicare patients by sex, 2024
- Women14451%
- Men13649%
Chronic conditions among Dr. Ramanan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Arthritis56%
- Heart failure50%
- Atrial fibrillation48%
- Chronic kidney disease48%
- Diabetes46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ramanan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tharmathai Thammi Ramanan wrote 937 Medicare Part D claims in 2024
In 2024, Dr. Ramanan wrote 937 Medicare Part D claims for 190 patients. 76% of them were for generic drugs. CMS names the drug for 825 of them, across 22 drugs with 11 or more claims each, at $276,252 in total drug cost. In 2023, CMS named 855 claims across 20 drugs.
Dr. Ramanan's Part D claims by kind of drug, 2024
- Generic711 claims76%
- Brand-name226 claims24%
Dr. Ramanan'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: 8552024: 8254%
Drugs named by CMS: 22 in 2024, 20 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. Tharmathai Thammi Ramanan ranks in the 50th percentile for coronary angioplasty and stenting in Medicare
CMS counts 20 procedures of coronary angioplasty and stenting by Dr. Ramanan, more than 50% of the clinicians it reports for that procedure.
Where Dr. Ramanan ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 50th percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Tharmathai Thammi Ramanan received $24,351 in industry payments from 2016 to 2025
CMS Open Payments shows 431 general payments to Dr. Ramanan from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 55% of the total. Medtronic, Inc. paid the most, $8,799.
General payments to Dr. Ramanan by program year, 2016 to 2025
General payments to Dr. Ramanan by kind, 2016 to 2025
- Food and beverage$13,49355%
- Travel and lodging$10,31342%
- Education$5452%
Companies that paid Dr. Ramanan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tharmathai Thammi Ramanan graduated from University of Tennessee, Hsc, College of Medicine
Dr. Ramanan attended University of Tennessee, Hsc, College of Medicine.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tharmathai Thammi Ramanan'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 Utilization Data (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. Tharmathai Thammi Ramanan
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. Tharmathai Thammi Ramanan's NPI number?
Dr. Tharmathai Thammi Ramanan's NPI number is 1366730145. It was assigned on July 14, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Tharmathai Thammi Ramanan?
Dr. Tharmathai Thammi Ramanan is an interventional cardiologist in Dalton, Georgia. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Tharmathai Thammi Ramanan practice?
Dr. Ramanan practices at 1200 Memorial Drive, Dalton, GA 30720. Dr. Ramanan's primary practice is Hamilton Medical Center in Dalton, Georgia, part of Hamilton Health Care System. Dmand AI also links Dr. Ramanan to 1 hospital, 9 medical groups and 5 group practices and clinics.
What is Dr. Tharmathai Thammi Ramanan's office phone number?
The practice phone on file for Dr. Ramanan is (706) 272-6105.
What is Dr. Tharmathai Thammi Ramanan's medical license number?
Dr. Ramanan holds Georgia license 89922, one of the licenses on file in 3 states.
Which states has Dr. Tharmathai Thammi Ramanan been licensed in?
Dmand AI has state licenses on file for Dr. Ramanan in Georgia, Colorado and New York.
Which hospitals is Dr. Tharmathai Thammi Ramanan affiliated with?
Dr. Ramanan practices at Hamilton Medical Center in Dalton, Georgia. Dr. Ramanan is also affiliated with CommonSpirit - Mercy Hospital. Dmand AI links Dr. Ramanan to 1 more hospital.
What medical group is Dr. Tharmathai Thammi Ramanan part of?
Dr. Ramanan is linked to Hamilton Medical Center. Dmand AI links Dr. Ramanan to 9 more medical groups.
Does Dr. Tharmathai Thammi Ramanan accept Medicare?
Yes. CMS data shows Dr. Ramanan billed Medicare for 568 services in 2024.
How many Medicare patients does Dr. Tharmathai Thammi Ramanan see?
CMS counts 280 Medicare patients who saw Dr. Ramanan in 2024, with an average age of 76.
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What services does Dr. Tharmathai Thammi Ramanan bill to Medicare?
In 2024, Dr. Ramanan's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and heart test or procedure (93307).
Where did Dr. Tharmathai Thammi Ramanan go to medical school?
Dr. Ramanan attended University of Tennessee, Hsc, College of Medicine.
What drugs does Dr. Tharmathai Thammi Ramanan prescribe most?
In 2024 Medicare Part D data, Dr. Ramanan's most prescribed drugs by claims were Clopidogrel, Eliquis and Metoprolol Succinate.
Has Dr. Tharmathai Thammi Ramanan received payments from drug or device companies?
CMS Open Payments shows $24,351 in general payments to Dr. Ramanan from 34 companies from 2016 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Tharmathai Thammi Ramanan been practicing?
Dr. Ramanan's NPI was assigned in 2011.
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