Dr. Gregory Lance Peck, DO
- Medicare services, 2024
- 70
- Medicare patients, 2024
- 25
- Publications
- 44
- Hospital affiliations
- 2
- Industry payments
- $1,097
- Practice address
- 110 Rehill Ave, Somerville, NJ 08876
- Practice phone
- Call (908) 685-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Peck'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 Lance Peck is a general surgeon in Somerville, New Jersey
Dr. Peck practices at Robert Wood Johnson University Hospital Somerset in Somerville, New Jersey, part of RWJBarnabas Health.
Dr. Peck's NPI, 1316120827, was assigned on December 7, 2007. Dr. Peck graduated from Rutgers New Jersey Medical School in 2006. Dr. Peck holds New Jersey license 25MB09276300.
- NPI
- 1316120827NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658559067
- NPI enumeration date
- December 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (908) 685-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Lance Peck practices at Robert Wood Johnson University Hospital Somerset in Somerville, New Jersey
Dr. Peck's primary practice is Robert Wood Johnson University Hospital Somerset, at 110 Rehill Ave, Somerville, NJ 08876 in Somerset County. The practice phone is (908) 685-2200.
- Robert Wood Johnson University Hospital Somerset110 Rehill Ave, Somerville, NJ 08876 · Somerset CountyPhone(908) 685-2200
Source: Dmand AI Affiliation Data
Dr. Gregory Lance Peck is affiliated with 4 sites of care and 2 medical groups
Dr. Peck's primary practice is Robert Wood Johnson University Hospital Somerset in Somerville, New Jersey, part of RWJBarnabas Health. Dr. Peck is also affiliated with Robert Wood Johnson University Hospital. The medical group on file is Rutgers Robert Wood Johnson Medical Group. Dmand AI also links Dr. Peck to 2 more group practices and clinics and 1 medical group, 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. Gregory Lance Peck's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Peck practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert Wood Johnson University Hospital Somerset | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Lance Peck is one of 675 general surgeons in New Jersey
Surgery is Dr. Peck's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Peck's licenses on file in 3 states: New Jersey, Georgia and Pennsylvania.
Specialties and state licenses
- Surgery, New JerseyPrimary
- Trauma surgery, Georgia
- Pennsylvania license
General surgeons near Dr. Peck
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 Lance Peck billed Medicare for 70 services in 2024
CMS data shows 70 Medicare services from Dr. Peck across 1 procedure code in 2024, for 25 Medicare patients. Medicare paid $12,068 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Peck's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 482024: 7046%
Dr. Peck compared with the New Jersey median for general surgeons, 2024
- Dr. Peck
- New Jersey median
- Medicare services
- 70vs 17059% below
- Medicare patients
- 25vs 12580% below
Medians across 630 general surgeons in New Jersey with Dmand AI profiles that report each measure.
Dr. Peck'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. Peck?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Peck and other general surgeons in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Lance Peck treated 25 Medicare patients in 2024, average age 74
CMS counts 25 Medicare patients who saw Dr. Peck in 2024. 75% of them have heart failure, and 75% have high blood pressure. Their average risk score is 3.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Peck's median patient age at 67, with 31% women.
Dr. Peck's Medicare patients by sex, 2024
- Women1144%
- Men1456%
Chronic conditions among Dr. Peck's Medicare patients, 2024
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Atrial fibrillation72%
- Diabetes72%
- Chronic kidney disease64%
Share of Medicare patients with each condition. A patient can have several.
Dr. Peck'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
- Women31%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Gregory Lance Peck takes part in Medicare
Dr. Peck 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. Gregory Lance Peck has 44 publications on record
Dmand AI links 44 papers to Dr. Peck, published from 2018 to 2025. 2021 was the busiest year, with 6. The most frequent topics are Global Health, General Surgery and Surgeons. Dr. Peck has published most often in J Surg Res. Dr. Peck's most frequent co-authors are Regan W. Bergmark, MD, Rachel Nemoyer, MD and Erin Mary Elizabeth Scott, MD.
Dr. Peck's papers by year, 2018 to 2025
Topics Dr. Peck writes about most
- Global Health
- General Surgery
- Surgeons
- Wounds and Injuries
- Colombia
- Curriculum
- Health Services Accessibility
- Length of Stay
Dr. Peck's most frequent co-authors
- Regan W. Bergmark, MD4 shared papers
- Rachel Nemoyer, MD4 shared papers
- Erin Mary Elizabeth Scott, MD4 shared papers
Recent publications by Dr. Peck
J Trauma Acute Care Surg
Ann N Y Acad Sci
See who Dr. Peck researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Peck 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 Lance Peck received $1,097 in industry payments from 2017 to 2025
CMS Open Payments shows 15 general payments to Dr. Peck from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 91% of the total. La Jolla Pharmaceutical Company paid the most, $802.
General payments to Dr. Peck by program year, 2017 to 2025
General payments to Dr. Peck by kind, 2017 to 2025
- Food and beverage$99791%
- Education$1009%
Companies that paid Dr. Peck the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Lance Peck graduated from Rutgers New Jersey Medical School
Dr. Peck graduated from Rutgers New Jersey Medical School in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Lance Peck'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) |
| 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 Lance Peck
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 Lance Peck's NPI number?
Dr. Gregory Lance Peck's NPI number is 1316120827. It was assigned on December 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Lance Peck?
Dr. Gregory Lance Peck is a general surgeon in Somerville, New Jersey. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Gregory Lance Peck practice?
Dr. Peck practices at 110 Rehill Ave, Somerville, NJ 08876. Dr. Peck's primary practice is Robert Wood Johnson University Hospital Somerset in Somerville, New Jersey, part of RWJBarnabas Health. Dmand AI also links Dr. Peck to 2 group practices and clinics and 1 medical group.
What is Dr. Gregory Lance Peck's office phone number?
The practice phone on file for Dr. Peck is (908) 685-2200.
What is Dr. Gregory Lance Peck's medical license number?
Dr. Peck holds New Jersey license 25MB09276300, one of the licenses on file in 3 states.
Which states has Dr. Gregory Lance Peck been licensed in?
Dmand AI has state licenses on file for Dr. Peck in New Jersey, Georgia and Pennsylvania.
Which hospitals is Dr. Gregory Lance Peck affiliated with?
Dr. Peck practices at Robert Wood Johnson University Hospital Somerset in Somerville, New Jersey. Dr. Peck is also affiliated with Robert Wood Johnson University Hospital.
What medical group is Dr. Gregory Lance Peck part of?
Dr. Peck is linked to Rutgers Robert Wood Johnson Medical Group. Dmand AI links Dr. Peck to 1 more medical group.
Does Dr. Gregory Lance Peck accept Medicare?
Yes. CMS data shows Dr. Peck billed Medicare for 70 services in 2024, and Dr. Peck accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Lance Peck see?
CMS counts 25 Medicare patients who saw Dr. Peck in 2024, with an average age of 74.
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What services does Dr. Gregory Lance Peck bill to Medicare?
In 2024, Dr. Peck's most billed Medicare services were critical care (99291).
Where did Dr. Gregory Lance Peck go to medical school?
Dr. Peck graduated from Rutgers New Jersey Medical School in 2006.
Has Dr. Gregory Lance Peck received payments from drug or device companies?
CMS Open Payments shows $1,097 in general payments to Dr. Peck from 8 companies from 2017 to 2025. The largest total came from La Jolla Pharmaceutical Company.
How long has Dr. Gregory Lance Peck been practicing?
Dr. Peck graduated from medical school in 2006, 20 years ago.
Does Dr. Gregory Lance Peck do research?
Dmand AI links 44 publications to Dr. Peck, published from 2018 to 2025.
Who does Dr. Gregory Lance Peck publish with?
Dr. Peck's most frequent co-authors are Regan W. Bergmark, MD (4 shared papers), Rachel Nemoyer, MD (4 shared papers) and Erin Mary Elizabeth Scott, MD (4 shared papers).
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