Dr. John T. Gantomasso, DO
- Medicare services, 2024
- 28
- Medicare patients, 2024
- 57
- Hospital affiliations
- 2
- Industry payments
- $390
- Medical groups
- 10
- Practice address
- 300 Singleton Ridge Road, Conway, SC 29526
- Practice phone
- Call (843) 347-8037
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gantomasso's professional email, personal email and mobile number
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Dr. John T. Gantomasso is an anesthesiologist in Conway, South Carolina
Dr. Gantomasso practices at Conway Medical Center in Conway, South Carolina, part of Conway Medical Center.
Dr. Gantomasso's NPI, 1396064481, was assigned on May 27, 2010. Dr. Gantomasso holds Pennsylvania license OS017509.
- NPI
- 1396064481NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870887755
- NPI enumeration date
- May 27, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 347-8037
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John T. Gantomasso practices at Conway Medical Center in Conway, South Carolina
Dr. Gantomasso's primary practice is Conway Medical Center, at 300 Singleton Ridge Road, Conway, SC 29526 in Horry County. The practice phone is (843) 347-8037.
- Conway Medical Center300 Singleton Ridge Road, Conway, SC 29526 · Horry CountyPhone(843) 347-8037
Source: Dmand AI Affiliation Data
Dr. John T. Gantomasso is affiliated with 2 sites of care and 10 medical groups
Dr. Gantomasso's primary practice is Conway Medical Center in Conway, South Carolina, part of Conway Medical Center. Dr. Gantomasso is also affiliated with Atrium Health Navicent The Medical Center. The medical group on file is MedStream Anesthesia PLLC. Dmand AI also links Dr. Gantomasso to 9 more medical groups, 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. John T. Gantomasso's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gantomasso practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Conway Medical Center | Available with a free account |
| +1 more site 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 Conway Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John T. Gantomasso is one of 626 anesthesiologists in South Carolina
Anesthesiology is Dr. Gantomasso's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Gantomasso's licenses on file in 3 states: Pennsylvania, Georgia and Louisiana.
Specialties and state licenses
- Anesthesiology, PennsylvaniaPrimary
- Georgia license
- Pediatric anesthesiology, Louisiana
Anesthesiologists near Dr. Gantomasso
Counts of anesthesiologists 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. John T. Gantomasso billed Medicare for 28 services in 2024
CMS data shows 28 Medicare services from Dr. Gantomasso across 2 procedure codes in 2024, for 57 Medicare patients. Medicare paid $1,374 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gantomasso's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 152024: 2887%
Dr. Gantomasso compared with the South Carolina median for anesthesiologists, 2024
- Dr. Gantomasso
- South Carolina median
- Medicare services
- 28vs 20086% below
- Medicare patients
- 57vs 28280% below
Medians across 637 anesthesiologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Gantomasso'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. Gantomasso?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gantomasso and other anesthesiologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John T. Gantomasso treated 57 Medicare patients in 2024, average age 74
CMS counts 57 Medicare patients who saw Dr. Gantomasso in 2024. The largest group is 75 to 84, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gantomasso's median patient age at 54, with 57% women.
Dr. Gantomasso's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gantomasso's Medicare patients by sex, 2024
- Women3256%
- Men2544%
Chronic conditions among Dr. Gantomasso's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis72%
- Anxiety39%
- Diabetes37%
- COPD32%
- Ischemic heart disease32%
- Mood disorders32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gantomasso's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John T. Gantomasso takes part in Medicare
Dr. Gantomasso accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John T. Gantomasso received $390 in industry payments from 2016 to 2024
CMS Open Payments shows 9 general payments to Dr. Gantomasso from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Chiesi USA, Inc. paid the most, $136.
General payments to Dr. Gantomasso by program year, 2016 to 2024
Companies that paid Dr. Gantomasso the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John T. Gantomasso'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. John T. Gantomasso
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. John T. Gantomasso's NPI number?
Dr. John T. Gantomasso's NPI number is 1396064481. It was assigned on May 27, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. John T. Gantomasso?
Dr. John T. Gantomasso is an anesthesiologist in Conway, South Carolina. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John T. Gantomasso practice?
Dr. Gantomasso practices at 300 Singleton Ridge Road, Conway, SC 29526. Dr. Gantomasso's primary practice is Conway Medical Center in Conway, South Carolina, part of Conway Medical Center. Dmand AI also links Dr. Gantomasso to 9 medical groups.
What is Dr. John T. Gantomasso's office phone number?
The practice phone on file for Dr. Gantomasso is (843) 347-8037.
What is Dr. John T. Gantomasso's medical license number?
Dr. Gantomasso holds Pennsylvania license OS017509, one of the licenses on file in 3 states.
Which states has Dr. John T. Gantomasso been licensed in?
Dmand AI has state licenses on file for Dr. Gantomasso in Pennsylvania, Georgia and Louisiana.
Which hospitals is Dr. John T. Gantomasso affiliated with?
Dr. Gantomasso practices at Conway Medical Center in Conway, South Carolina. Dr. Gantomasso is also affiliated with Atrium Health Navicent The Medical Center.
What medical group is Dr. John T. Gantomasso part of?
Dr. Gantomasso is linked to MedStream Anesthesia PLLC. Dmand AI links Dr. Gantomasso to 9 more medical groups.
Does Dr. John T. Gantomasso accept Medicare?
Yes. CMS data shows Dr. Gantomasso billed Medicare for 28 services in 2024, and Dr. Gantomasso accepts Medicare assignment.
How many Medicare patients does Dr. John T. Gantomasso see?
CMS counts 57 Medicare patients who saw Dr. Gantomasso in 2024, with an average age of 74.
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What services does Dr. John T. Gantomasso bill to Medicare?
In 2024, Dr. Gantomasso's most billed Medicare services were surgery: brain, spine and nerves (64447) and surgery: brain, spine and nerves (64415).
Has Dr. John T. Gantomasso received payments from drug or device companies?
CMS Open Payments shows $390 in general payments to Dr. Gantomasso from 4 companies from 2016 to 2024. The largest total came from Chiesi USA, Inc.
How long has Dr. John T. Gantomasso been practicing?
Dr. Gantomasso graduated from medical school in 2010, 16 years ago.
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