Dr. Rathi Narayan, MD
- Medicare services, 2024
- 3,042
- Medicare patients, 2024
- 404
- Part D claims, 2024
- 1,334
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 135 West Ravine Road - 7th Floor, Kingsport, TN 37660
- Practice phone
- Call (423) 246-9752
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kingsport Endoscopy
Surgery Center - Medicare-Certified · Kingsport, Tennessee
Find Dr. Narayan's professional email, personal email and mobile number
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Dr. Rathi Narayan is a gastroenterologist in Kingsport, Tennessee
Dr. Narayan practices at Kingsport Endoscopy in Kingsport, Tennessee.
Dr. Narayan's NPI, 1740366459, was assigned on October 27, 2006. Dr. Narayan holds West Virginia license 21490.
- NPI
- 1740366459NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971592478
- NPI enumeration date
- October 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (423) 246-9752
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rathi Narayan practices at Kingsport Endoscopy in Kingsport, Tennessee
Dr. Narayan's primary practice is Kingsport Endoscopy, at 135 West Ravine Road - 7th Floor, Kingsport, TN 37660. The practice phone is (423) 246-9752.
- Kingsport Endoscopy135 West Ravine Road - 7th Floor, Kingsport, TN 37660Phone(423) 246-9752
Source: Dmand AI Affiliation Data
Dr. Rathi Narayan is affiliated with 6 sites of care and 1 medical group
Dr. Narayan's primary practice is Kingsport Endoscopy in Kingsport, Tennessee. Dr. Narayan is also affiliated with Holston Valley Medical Center. The medical group on file is Gastroenterology Associates. Dmand AI also links Dr. Narayan to 4 more hospitals, 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. Rathi Narayan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Narayan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kingsport Endoscopy | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rathi Narayan is one of 331 gastroenterologists in Tennessee
Gastroenterology is Dr. Narayan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Narayan is licensed in West Virginia.
Specialties and state licenses
- Gastroenterology, West VirginiaPrimary
Gastroenterologists near Dr. Narayan
Counts of gastroenterologists 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. Rathi Narayan billed Medicare for 3,042 services in 2024
CMS data shows 3,042 Medicare services from Dr. Narayan across 16 procedure codes in 2024, for 404 Medicare patients. Medicare paid $151,988 for them.
Dr. Narayan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,0742024: 2,32112%
- Lab and pathology
- 2023: 3402024: 41923%
- Surgery
- 2023: 2482024: 2563%
- Other services
- 2023: 02024: 28
- Tests and treatments
- 2023: 312024: 1842%
Where Dr. Narayan's Medicare services took place, 2024
- In an office2,75891%
- In a facility2849%
Dr. Narayan compared with the Tennessee median for gastroenterologists, 2024
- Dr. Narayan
- Tennessee median
- Medicare services
- 3,042vs 6454.7 times
- Medicare patients
- 404vs 3777% above
- Part D claims
- 1,092vs 59683% above
Medians across 330 gastroenterologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Narayan'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. Narayan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Narayan and other gastroenterologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rathi Narayan treated 404 Medicare patients in 2024, average age 72
CMS counts 404 Medicare patients who saw Dr. Narayan in 2024. The largest group is 65 to 74, with 218 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Narayan's median patient age at 70, with 73% women.
Dr. Narayan's Medicare patients by age, 2024
Dr. Narayan's Medicare patients by sex, 2024
- Women29974%
- Men10526%
Chronic conditions among Dr. Narayan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes34%
- Anxiety30%
- Depression30%
- Mood disorders30%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Narayan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rathi Narayan wrote 1,334 Medicare Part D claims in 2024
In 2024, Dr. Narayan wrote 1,334 Medicare Part D claims for 592 patients. 77% of them were for generic drugs. CMS names the drug for 1,092 of them, across 22 drugs with 11 or more claims each, at $687,919 in total drug cost. In 2023, CMS named 971 claims across 25 drugs.
Dr. Narayan's Part D claims by kind of drug, 2024
- Generic1,031 claims77%
- Brand-name and other303 claims23%
Dr. Narayan'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. Narayan's Part D claims, 2024
- Antibiotics4%58 of 1,334 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: 9712024: 1,09212%
Drugs named by CMS: 22 in 2024, 25 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. Rathi Narayan ranks in the 94th percentile for colonoscopy in Medicare
Dr. Narayan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 211 procedures of colonoscopy by Dr. Narayan, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Narayan ranks in Medicare procedure volume
- Colonoscopy
- 94th percentile211 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 87th percentile167 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rathi Narayan has 1 publication on record
Dmand AI links 1 paper to Dr. Narayan in 2012. Dr. Narayan's most frequent co-authors are Atif Saleem, MD and Mark F. Young, MD.
Dr. Narayan's most frequent co-authors
Recent publications by Dr. Narayan
See who Dr. Narayan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Narayan works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rathi Narayan received $6,956 in industry payments from 2016 to 2025
CMS Open Payments shows 502 general payments to Dr. Narayan from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,781.
General payments to Dr. Narayan by program year, 2016 to 2025
General payments to Dr. Narayan by kind, 2016 to 2025
- Food and beverage$6,942100%
- Education$130%
Companies that paid Dr. Narayan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Rathi Narayan'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)Doctors and Clinicians Utilization Data (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. Rathi Narayan
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. Rathi Narayan's NPI number?
Dr. Rathi Narayan's NPI number is 1740366459. It was assigned on October 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rathi Narayan?
Dr. Rathi Narayan is a gastroenterologist in Kingsport, Tennessee. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Rathi Narayan practice?
Dr. Narayan practices at 135 West Ravine Road - 7th Floor, Kingsport, TN 37660. Dr. Narayan's primary practice is Kingsport Endoscopy in Kingsport, Tennessee. Dmand AI also links Dr. Narayan to 4 hospitals.
What is Dr. Rathi Narayan's office phone number?
The practice phone on file for Dr. Narayan is (423) 246-9752.
What is Dr. Rathi Narayan's medical license number?
Dr. Narayan holds West Virginia license 21490.
Which hospitals is Dr. Rathi Narayan affiliated with?
Dr. Narayan is affiliated with Holston Valley Medical Center. Dmand AI links Dr. Narayan to 4 more hospitals.
What medical group is Dr. Rathi Narayan part of?
Dr. Narayan is linked to Gastroenterology Associates.
Does Dr. Rathi Narayan accept Medicare?
Yes. CMS data shows Dr. Narayan billed Medicare for 3,042 services in 2024, and Dr. Narayan accepts Medicare assignment.
How many Medicare patients does Dr. Rathi Narayan see?
CMS counts 404 Medicare patients who saw Dr. Narayan in 2024, with an average age of 72.
What services does Dr. Rathi Narayan bill to Medicare?
In 2024, Dr. Narayan's most billed Medicare services were care management and other visits (99439), care management and other visits (99490) and lab and pathology test (88305).
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What drugs does Dr. Rathi Narayan prescribe most?
In 2024 Medicare Part D data, Dr. Narayan's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Esomeprazole Magnesium and Omeprazole.
Has Dr. Rathi Narayan received payments from drug or device companies?
CMS Open Payments shows $6,956 in general payments to Dr. Narayan from 35 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Rathi Narayan been practicing?
Dr. Narayan graduated from medical school in 2000, 26 years ago.
Does Dr. Rathi Narayan do research?
Dmand AI links 1 publication to Dr. Narayan.
Who does Dr. Rathi Narayan publish with?
Dr. Narayan's most frequent co-authors are Atif Saleem, MD (1 shared paper) and Mark F. Young, MD (1 shared paper).
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