Dr. Gregory John Mancini, MD
- Medicare services, 2024
- 31
- Medicare patients, 2024
- 56
- Part D claims, 2024
- 31
- Publications
- 13
- MIPS score, 2024
- 96
- Practice address
- 1924 Alcoa Highway, Knoxville, TN 37920
- Practice phone
- Call (865) 305-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mancini'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. Gregory John Mancini is a general surgeon in Knoxville, Tennessee
Dr. Mancini practices at The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical.
Dr. Mancini's NPI, 1548211857, was assigned on May 12, 2006. Dr. Mancini graduated from Mercer University School of Medicine in 2000. Dr. Mancini holds Tennessee license 40807.
- NPI
- 1548211857NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567492473
- NPI enumeration date
- May 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 305-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. Gregory John Mancini practices at The University of Tennessee Medical Center in Knoxville, Tennessee
Dr. Mancini's primary practice is The University of Tennessee Medical Center, at 1924 Alcoa Highway, Knoxville, TN 37920 in Knox County. The practice phone is (865) 305-9000.
- The University of Tennessee Medical Center1924 Alcoa Highway, Knoxville, TN 37920 · Knox CountyPhone(865) 305-9000
Source: Dmand AI Affiliation Data
Dr. Gregory John Mancini is affiliated with 2 sites of care and 1 medical group
Dr. Mancini's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. The medical group on file is UT Internal Medicine - Pellissippi. Dmand AI also links Dr. Mancini to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory John Mancini's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mancini practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Tennessee Medical Center | Available with a free account |
| +1 more affiliated site | 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 Ut Medical and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory John Mancini is one of 548 general surgeons in Tennessee
Surgery is Dr. Mancini's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Mancini is licensed in Tennessee.
Specialties and state licenses
- Surgery, TennesseePrimary
General surgeons near Dr. Mancini
Counts of general surgeons 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. Gregory John Mancini billed Medicare for 31 services in 2024
CMS data shows 31 Medicare services from Dr. Mancini across 1 procedure code in 2024, all of them office visits, for 56 Medicare patients. Medicare paid $1,817 for them. Every service was in an office.
Dr. Mancini's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 382024: 3118%
- Surgery
- 2023: 142024: 0100%
Dr. Mancini compared with the Tennessee median for general surgeons, 2024
- Dr. Mancini
- Tennessee median
- Medicare services
- 31vs 17482% below
- Medicare patients
- 56vs 12254% below
- Part D claims
- 11vs 5279% below
Medians across 548 general surgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Mancini'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. Mancini?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mancini and other general surgeons in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory John Mancini treated 56 Medicare patients in 2024, average age 73
CMS counts 56 Medicare patients who saw Dr. Mancini in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mancini's median patient age at 67, with 56% women.
Dr. Mancini's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mancini's Medicare patients by sex, 2024
- Women1934%
- Men3766%
Chronic conditions among Dr. Mancini's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease36%
- Diabetes32%
- Mood disorders23%
- Anxiety21%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mancini's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory John Mancini wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Mancini wrote 31 Medicare Part D claims for 16 patients. 97% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $89 in total drug cost. In 2022, CMS named 16 claims across 1 drug.
Dr. Mancini's Part D claims by kind of drug, 2024
- Generic30 claims97%
- Brand-name and other1 claims3%
Dr. Mancini'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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 162024: 1131%
Drugs named by CMS: 1 in 2024, 1 in 2022.
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. Gregory John Mancini scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Mancini for performance year 2024, reported through an alternative payment model (APM). Dr. Mancini accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of hernia repair - groin (open) by Dr. Mancini, more than 89% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Mancini's MIPS scores, performance year 2024
- 96of 100Final score
- 86.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Mancini ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 46th percentile15 procedures
- Hernia repair - groin (open)
- 89th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gregory John Mancini has 13 publications on record
Dmand AI links 13 papers to Dr. Mancini, published from 2015 to 2025. 2022 was the busiest year, with 3. The most frequent topics are Laparoscopy, Gastric Bypass and Obesity, Morbid. Dr. Mancini has published most often in Surg Endosc. Dr. Mancini's most frequent co-authors are Matthew L. Mancini, MD, Gary J. Anthone, MD and Raymond Michael Dunn, MD.
Dr. Mancini's papers by year, 2015 to 2025
Topics Dr. Mancini writes about most
- Laparoscopy
- Gastric Bypass
- Obesity, Morbid
- Abdominal Wall
- Equipment Design
- Hernia, Ventral
- Herniorrhaphy
- Bariatric Surgery
Dr. Mancini's most frequent co-authors
- Matthew L. Mancini, MD4 shared papers
- Gary J. Anthone, MD2 shared papers
- Raymond Michael Dunn, MD2 shared papers
Recent publications by Dr. Mancini
See who Dr. Mancini researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mancini works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory John Mancini received $110,758 in industry payments from 2016 to 2025
CMS Open Payments shows 501 general payments to Dr. Mancini from 65 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 57% of the total. Covidien LP paid the most, $33,280.
General payments to Dr. Mancini by program year, 2016 to 2025
General payments to Dr. Mancini by kind, 2016 to 2025
- Speaker and faculty fees$63,45857%
- Consulting fees$14,40013%
- Food and beverage$13,10112%
- Travel and lodging$10,95710%
- Other$8,8438%
Companies that paid Dr. Mancini the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory John Mancini graduated from Mercer University School of Medicine
Dr. Mancini graduated from Mercer University School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory John Mancini'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Gregory John Mancini
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. Gregory John Mancini's NPI number?
Dr. Gregory John Mancini's NPI number is 1548211857. It was assigned on May 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory John Mancini?
Dr. Gregory John Mancini is a general surgeon in Knoxville, Tennessee. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Gregory John Mancini practice?
Dr. Mancini practices at 1924 Alcoa Highway, Knoxville, TN 37920. Dr. Mancini's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. Dmand AI also links Dr. Mancini to 1 group practice or clinic.
What is Dr. Gregory John Mancini's office phone number?
The practice phone on file for Dr. Mancini is (865) 305-9000.
What is Dr. Gregory John Mancini's medical license number?
Dr. Mancini holds Tennessee license 40807.
Which hospitals is Dr. Gregory John Mancini affiliated with?
Dr. Mancini practices at The University of Tennessee Medical Center in Knoxville, Tennessee.
What medical group is Dr. Gregory John Mancini part of?
Dr. Mancini is linked to UT Internal Medicine - Pellissippi.
Does Dr. Gregory John Mancini accept Medicare?
Yes. CMS data shows Dr. Mancini billed Medicare for 31 services in 2024, and Dr. Mancini accepts Medicare assignment.
What is Dr. Gregory John Mancini's MIPS score?
Dr. Mancini's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Gregory John Mancini see?
CMS counts 56 Medicare patients who saw Dr. Mancini in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Gregory John Mancini bill to Medicare?
In 2024, Dr. Mancini's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Gregory John Mancini go to medical school?
Dr. Mancini graduated from Mercer University School of Medicine in 2000.
What drugs does Dr. Gregory John Mancini prescribe most?
In 2024 Medicare Part D data, Dr. Mancini's most prescribed drugs by claims were Pantoprazole Sodium.
Has Dr. Gregory John Mancini received payments from drug or device companies?
CMS Open Payments shows $110,758 in general payments to Dr. Mancini from 65 companies from 2016 to 2025. The largest total came from Covidien LP.
How long has Dr. Gregory John Mancini been practicing?
Dr. Mancini graduated from medical school in 2000, 26 years ago.
Does Dr. Gregory John Mancini do research?
Dmand AI links 13 publications to Dr. Mancini, published from 2015 to 2025.
Who does Dr. Gregory John Mancini publish with?
Dr. Mancini's most frequent co-authors are Matthew L. Mancini, MD (4 shared papers), Gary J. Anthone, MD (2 shared papers) and Raymond Michael Dunn, MD (2 shared papers).
Selling to surgery practices?
See general surgeons in Tennessee by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card