Dr. Rathi Narayan, MD

  • Kingsport, TN
  • Gastroenterologist
NPI1740366459PAC ID3971592478
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Kingsport Endoscopy

Surgery Center - Medicare-Certified · Kingsport, Tennessee

See all 7 affiliations

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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 and contact details
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
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Mobile number
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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 Endoscopy
    135 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.

See all 7 affiliations for Dr. Narayan

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.

EHR by site
SiteEHR vendor and product
Kingsport EndoscopyAvailable with a free account
+5 more affiliated sitesAvailable 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 VirginiaPrimaryLicense 21490 · taxonomy 207RG0100X

Gastroenterologists near Dr. Narayan

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

331gastroenterologists in Tennessee
9gastroenterologists in Kingsport

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.

Medicare services, 20243,042
Medicare patients404
Paid by Medicare$151,988
Procedure codes16

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.

See all procedures by Dr. Narayan

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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.

Medicare patients, 2024404
Average age72
Average risk score1.12
Also on Medicaid7%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Diabetes34%
  5. Anxiety30%
  6. Depression30%
  7. Mood disorders30%
  8. 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.

Part D claims, 20241,334
Drugs named by CMS22
Total drug cost$687,919
Part D patients592

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.

See all prescribing by Dr. Narayan

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.

Papers1

Dr. Narayan's most frequent co-authors

Recent publications by Dr. Narayan

See all 1 publications and co-authors

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.

How network discovery works

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

$7Kin total
  • 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.

See all payments to Dr. Narayan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Rathi Narayan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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).

Show 5 more questionsShow fewer questions

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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