NPPES file of Aug 9, 2026

Siva Maran, M.D.

Gastroenterology Physician · Morristown, TN

Siva Maran, M.D. is a gastroenterology physician with a practice address in Morristown, Tennessee, and NPI 1619965043, issued on Oct 10, 2005. Check the license (Tennessee 023962, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619965043
Name
Siva Maran
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
023962 TN
MD0000023962 TN
Self-reported in NPPES; status is on the state search
Practice location
705 N High St, Morristown, TN 37814
Phone
(423) 415-3310
Enumerated
Oct 10, 2005
Record last updated
Sep 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(423) 587-9898
Medicaid ID
3719779 TN
Medicare enrollment
Enrolled (PECOS I20060505000007); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 705 N High St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Opal Caldwell, FNPNurse Practitioner1548784945
  2. Sheila WilliamsAdult Health Nurse Practitioner1609922327

Verify Siva Maran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 023962
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

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49% more Medicare Part D claims than the average gastroenterology physician in 2024

1,210 Medicare Part D claims for 348 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Siva Maran1,210
  2. Specialty average811

Most prescribed

  1. Sucralfate221 claims
  2. Omeprazole220 claims
  3. Pantoprazole Sodium143 claims
  4. Dicyclomine Hcl80 claims
  5. Famotidine64 claims
  6. Ondansetron Hcl42 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 89.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score77.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $383.33

20 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Siva Maran$383.33
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Knoxville Hma Physician Management, LLCKnoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Siva Maran among 384 gastroenterology physician records in Tennessee

Siva Maran, M.D. is one of 384 gastroenterology physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 74% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1971 · median 2001 among the 255 with a school on file
  • Record last updated2020 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Tennessee

There are 384 gastroenterology physician records in Tennessee.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Linas Adams, MDMorristown, TN 378141427116243
  2. Robert Wiseman, MDMorristown, TN 378141487737748
  3. Arvinder Sachdev, MDMorristown, TN 378131255381281
  4. Khaled Nour, M.D.Newport, TN 378211750329413
  5. Edward Brown, MDMaryville, TN 378041851354195
  6. Andrew Canning, M.D.Maryville, TN 378041760833925
  7. Isaac Cline, M.D.Maryville, TN 378041245592823
  8. Richard Cline, MDMaryville, TN 378041942263280

Common questions

What is Siva Maran, M.D.'s NPI number?

Siva Maran, M.D.'s National Provider Identifier (NPI) is 1619965043, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Siva Maran, M.D. located?

The NPPES record lists a practice address at 705 N High St, Morristown, TN, 37814. Phone: (423) 415-3310. Providers update this record themselves, so call before visiting.

How can I verify Siva Maran, M.D.'s license?

NPPES lists Tennessee license number 023962, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Siva Maran, M.D. prescribe under Medicare Part D?

In 2024, Siva Maran, M.D. had 1,210 Medicare Part D claims for 348 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Siva Maran, M.D.'s MIPS final score?

The 2023 MIPS final score is 89.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.