Dr. Thomas M. Gemma, DO
- Medicare services, 2024
- 497
- Medicare patients, 2024
- 586
- Part D claims, 2024
- 168
- MIPS score, 2024
- 84
- Hospital affiliations
- 3
- Practice address
- 7630 Southern Blvd, Youngstown, OH 44512
- Practice phone
- Call (330) 729-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gemma'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. Thomas M. Gemma is an anesthesiologist in Youngstown, Ohio
Dr. Gemma practices at The Surgical Hospital at Southwoods in Youngstown, Ohio, part of The Surgical Hospital at Southwoods.
Dr. Gemma's NPI, 1861438426, was assigned on June 21, 2006. Dr. Gemma graduated from Ohio University, College of Osteopathic Medicine in 1990. Dr. Gemma holds Ohio license 34-005446.
- NPI
- 1861438426NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668564873
- NPI enumeration date
- June 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 729-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas M. Gemma practices at The Surgical Hospital at Southwoods in Youngstown, Ohio
Dr. Gemma's primary practice is The Surgical Hospital at Southwoods, at 7630 Southern Blvd, Youngstown, OH 44512 in Mahoning County. The practice phone is (330) 729-8000.
- The Surgical Hospital at Southwoods7630 Southern Blvd, Youngstown, OH 44512 · Mahoning CountyPhone(330) 729-8000
Source: Dmand AI Affiliation Data
Dr. Thomas M. Gemma is affiliated with 3 sites of care and 1 medical group
Dr. Gemma's primary practice is The Surgical Hospital at Southwoods in Youngstown, Ohio, part of The Surgical Hospital at Southwoods. Dr. Gemma is also affiliated with Mercy Health - St. Elizabeth Youngstown Hospital. The medical group on file is Southwoods Physician Services. Dmand AI also links Dr. Gemma to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas M. Gemma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gemma practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Surgical Hospital at Southwoods | Available with a free account |
| +2 more affiliated sites | 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 The Surgical Hospital at Southwoods and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas M. Gemma is one of 1,673 anesthesiologists in Ohio
Anesthesiology is Dr. Gemma's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Gemma is licensed in Ohio.
Specialties and state licenses
- Anesthesiology, OhioPrimary
Anesthesiologists near Dr. Gemma
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. Thomas M. Gemma billed Medicare for 497 services in 2024
CMS data shows 497 Medicare services from Dr. Gemma across 16 procedure codes in 2024, for 586 Medicare patients. Medicare paid $37,379 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gemma's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 3122024: 40028%
- Surgery
- 2023: 1142024: 9715%
Dr. Gemma compared with the Ohio median for anesthesiologists, 2024
- Dr. Gemma
- Ohio median
- Medicare services
- 497vs 786.4 times
- Medicare patients
- 586vs 1454.0 times
- Part D claims
- 148vs 255.9 times
Medians across 1,609 anesthesiologists in Ohio with Dmand AI profiles that report each measure.
Dr. Gemma'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. Gemma?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gemma and other anesthesiologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas M. Gemma treated 586 Medicare patients in 2024, average age 73
CMS counts 586 Medicare patients who saw Dr. Gemma in 2024. The largest group is 65 to 74, with 353 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gemma's median patient age at 62, with 56% women.
Dr. Gemma's Medicare patients by age, 2024
Dr. Gemma's Medicare patients by sex, 2024
- Women29951%
- Men28749%
Chronic conditions among Dr. Gemma's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Diabetes31%
- Anxiety28%
- Ischemic heart disease23%
- Mood disorders23%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gemma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas M. Gemma wrote 168 Medicare Part D claims in 2024
In 2024, Dr. Gemma wrote 168 Medicare Part D claims for 160 patients. 100% of them were for generic drugs. CMS names the drug for 148 of them, across 1 drug with 11 or more claims each, at $886 in total drug cost. In 2023, CMS named 54 claims across 1 drug.
Dr. Gemma'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 542024: 148174%
Drugs named by CMS: 1 in 2024, 1 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. Thomas M. Gemma scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Gemma for performance year 2024, reported as part of a group. Dr. Gemma accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gemma's MIPS scores, performance year 2024
- 84of 100Final score
- 71.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thomas M. Gemma received $786 in industry payments from 2016 to 2024
CMS Open Payments shows 12 general payments to Dr. Gemma from 9 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 98% of the total. Intuitive Surgical, Inc. paid the most, $258.
General payments to Dr. Gemma by program year, 2016 to 2024
General payments to Dr. Gemma by kind, 2016 to 2024
- Food and beverage$77098%
- Education$162%
Companies that paid Dr. Gemma the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas M. Gemma graduated from Ohio University, College of Osteopathic Medicine
Dr. Gemma graduated from Ohio University, College of Osteopathic Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas M. Gemma'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Thomas M. Gemma
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. Thomas M. Gemma's NPI number?
Dr. Thomas M. Gemma's NPI number is 1861438426. It was assigned on June 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas M. Gemma?
Dr. Thomas M. Gemma is an anesthesiologist in Youngstown, Ohio. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Thomas M. Gemma practice?
Dr. Gemma practices at 7630 Southern Blvd, Youngstown, OH 44512. Dr. Gemma's primary practice is The Surgical Hospital at Southwoods in Youngstown, Ohio, part of The Surgical Hospital at Southwoods. Dmand AI also links Dr. Gemma to 1 hospital.
What is Dr. Thomas M. Gemma's office phone number?
The practice phone on file for Dr. Gemma is (330) 729-8000.
What is Dr. Thomas M. Gemma's medical license number?
Dr. Gemma holds Ohio license 34-005446.
Which hospitals is Dr. Thomas M. Gemma affiliated with?
Dr. Gemma practices at The Surgical Hospital at Southwoods in Youngstown, Ohio. Dr. Gemma is also affiliated with Mercy Health - St. Elizabeth Youngstown Hospital. Dmand AI links Dr. Gemma to 1 more hospital.
What medical group is Dr. Thomas M. Gemma part of?
Dr. Gemma is linked to Southwoods Physician Services.
Does Dr. Thomas M. Gemma accept Medicare?
Yes. CMS data shows Dr. Gemma billed Medicare for 497 services in 2024, and Dr. Gemma accepts Medicare assignment.
What is Dr. Thomas M. Gemma's MIPS score?
Dr. Gemma's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Thomas M. Gemma see?
CMS counts 586 Medicare patients who saw Dr. Gemma in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Thomas M. Gemma bill to Medicare?
In 2024, Dr. Gemma's most billed Medicare services were anesthesia (00731), anesthesia (00812) and anesthesia (01402).
Where did Dr. Thomas M. Gemma go to medical school?
Dr. Gemma graduated from Ohio University, College of Osteopathic Medicine in 1990.
What drugs does Dr. Thomas M. Gemma prescribe most?
In 2024 Medicare Part D data, Dr. Gemma's most prescribed drugs by claims were Mupirocin.
Has Dr. Thomas M. Gemma received payments from drug or device companies?
CMS Open Payments shows $786 in general payments to Dr. Gemma from 9 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Thomas M. Gemma been practicing?
Dr. Gemma graduated from medical school in 1990, 36 years ago.
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