Dr. Gordon L. Marsa, MD
- Medicare services, 2023
- 32
- Part D claims, 2024
- 14
- Hospital affiliations
- 1
- Industry payments
- $496
- Medical group
- 1
- Practice address
- 1420 Tusculum Boulevard, Greeneville, TN 37745
- Practice phone
- Call (423) 639-3151
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marsa'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. Gordon L. Marsa is a gastroenterologist in Greeneville, Tennessee
Dr. Marsa practices at Greeneville Community Hospital in Greeneville, Tennessee, part of Ballad Health.
Dr. Marsa's NPI, 1477593218, was assigned on June 8, 2006. Dr. Marsa holds Tennessee license MD012964.
- NPI
- 1477593218NPI Registry (opens in a new tab)
- NPI enumeration date
- June 8, 2006
- NPI status
- Active
- Practice phone
- (423) 639-3151
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 88
- Medical school graduation
- 1964
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gordon L. Marsa practices at Greeneville Community Hospital in Greeneville, Tennessee
Dr. Marsa's primary practice is Greeneville Community Hospital, at 1420 Tusculum Boulevard, Greeneville, TN 37745 in Greene County. The practice phone is (423) 639-3151.
- Greeneville Community Hospital1420 Tusculum Boulevard, Greeneville, TN 37745 · Greene CountyPhone(423) 639-3151
Source: Dmand AI Affiliation Data
Dr. Gordon L. Marsa is affiliated with 2 sites of care and 1 medical group
Dr. Marsa's primary practice is Greeneville Community Hospital in Greeneville, Tennessee, part of Ballad Health. The medical group on file is Ballad Health Medical Associates. Dmand AI also links Dr. Marsa to 1 more group practice or clinic, named with a free account. Dr. Marsa'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. Gordon L. Marsa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marsa practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greeneville Community Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gordon L. Marsa is one of 331 gastroenterologists in Tennessee
Gastroenterology is Dr. Marsa's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Marsa is licensed in Tennessee.
Specialties and state licenses
- Gastroenterology, TennesseePrimary
Gastroenterologists near Dr. Marsa
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. Gordon L. Marsa billed Medicare for 32 services in 2023
CMS data shows 32 Medicare services from Dr. Marsa across 2 procedure codes in 2023. Medicare paid $3,283 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marsa's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 572023: 3244%
Dr. Marsa compared with the Tennessee median for gastroenterologists, 2023
- Dr. Marsa
- Tennessee median
- Medicare services
- 32vs 64595% below
- Part D claims
- 266vs 59655% below
Medians across 330 gastroenterologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Marsa's most billed Medicare procedure codes, 2023
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. Marsa?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marsa and other gastroenterologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gordon L. Marsa's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Marsa's median patient age at 74, with 50% women.
Dr. Marsa'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
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Gordon L. Marsa wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Marsa wrote 14 Medicare Part D claims. 93% of them were for generic drugs. They cover 9 drugs, with $146,254 in total drug cost. In 2019, CMS named 1,004 claims across 21 drugs.
Dr. Marsa's Part D claims by kind of drug, 2024
- Generic13 claims93%
- Brand-name and other1 claims7%
Dr. Marsa's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1,0042020: 26674%
Drugs named by CMS: 9 in 2020, 21 in 2019.
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
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Dr. Gordon L. Marsa received $496 in industry payments from 2016 to 2021
CMS Open Payments shows 29 general payments to Dr. Marsa from 9 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $216.
General payments to Dr. Marsa by program year, 2016 to 2021
Companies that paid Dr. Marsa the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gordon L. Marsa'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 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) |
| 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. Gordon L. Marsa
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. Gordon L. Marsa's NPI number?
Dr. Gordon L. Marsa's NPI number is 1477593218. It was assigned on June 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gordon L. Marsa?
Dr. Gordon L. Marsa is a gastroenterologist in Greeneville, Tennessee. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Gordon L. Marsa practice?
Dr. Marsa practices at 1420 Tusculum Boulevard, Greeneville, TN 37745. Dr. Marsa's primary practice is Greeneville Community Hospital in Greeneville, Tennessee, part of Ballad Health. Dmand AI also links Dr. Marsa to 1 group practice or clinic.
What is Dr. Gordon L. Marsa's office phone number?
The practice phone on file for Dr. Marsa is (423) 639-3151.
What is Dr. Gordon L. Marsa's medical license number?
Dr. Marsa holds Tennessee license MD012964.
Which hospitals is Dr. Gordon L. Marsa affiliated with?
Dr. Marsa practices at Greeneville Community Hospital in Greeneville, Tennessee.
What medical group is Dr. Gordon L. Marsa part of?
Dr. Marsa is linked to Ballad Health Medical Associates.
Does Dr. Gordon L. Marsa accept Medicare?
Yes. CMS data shows Dr. Marsa billed Medicare for 32 services in 2023.
What services does Dr. Gordon L. Marsa bill to Medicare?
In 2023, Dr. Marsa's most billed Medicare services were surgery: digestive system (45380) and surgery: digestive system (43239).
What drugs does Dr. Gordon L. Marsa prescribe most?
In 2020 Medicare Part D data, Dr. Marsa's most prescribed drugs by claims were Suprep, Pantoprazole Sodium and Omeprazole.
Has Dr. Gordon L. Marsa received payments from drug or device companies?
CMS Open Payments shows $496 in general payments to Dr. Marsa from 9 companies from 2016 to 2021. The largest total came from Abbvie Inc.
How long has Dr. Gordon L. Marsa been practicing?
Dr. Marsa graduated from medical school in 1964, 62 years ago.
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