Dermatol Online J
Carcinoembryonic AntigenCarcinoma, DuctalCarcinoma, Squamous Cell
Dr. Marshall Anderson Guill III, MD
NPI1932133030
- Medicare services, 2021
- 2,265
- Part D claims, 2021
- 230
- Publications
- 10
- Hospital affiliations
- 1
- Industry payments
- $45
- Practice address
- 1 Medical Center Drive, Lebanon, NH 03756
- Practice phone
- Call (603) 650-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Guill'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. Marshall Anderson Guill III is a dermatologist in Lebanon, New Hampshire
Dr. Guill practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health.
Dr. Guill's NPI, 1932133030, was assigned on July 11, 2006. Dr. Guill graduated from Medical College of Georgia School of Medicine in 1973. Dr. Guill holds New Hampshire license 14454.
NPI and contact details
- NPI
- 1932133030NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Practice phone
- (603) 650-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Marshall Anderson Guill III practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire
Dr. Guill's primary practice is Dartmouth Hitchcock Medical Center, at 1 Medical Center Drive, Lebanon, NH 03756 in Grafton County. The practice phone is (603) 650-5000.
- Dartmouth Hitchcock Medical Center1 Medical Center Drive, Lebanon, NH 03756 · Grafton CountyPhone(603) 650-5000
Source: Dmand AI Affiliation Data
Dr. Marshall Anderson Guill III is affiliated with 2 sites of care and 1 medical group
Dr. Guill's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. The medical group on file is Dartmouth Hitchcock Medical Center. Dmand AI also links Dr. Guill to 1 more group practice or clinic, named with a free account. Dr. Guill's employer is on file too: a hospital.
Dartmouth Hitchcock Medical Center1 group practice or clinicName with a free accountEmployer: hospitalName with a free account
See all 3 affiliations for Dr. GuillSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marshall Anderson Guill III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guill practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dartmouth Hitchcock Medical Center | 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. Marshall Anderson Guill III is one of 73 dermatologists in New Hampshire
Dermatology is Dr. Guill's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dmand AI has Dr. Guill's licenses on file in 2 states: New Hampshire and Georgia.
Specialties and state licenses
- Dermatology, New HampshirePrimary
- Procedural dermatology, Georgia
Dermatologists near Dr. Guill
Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.
73dermatologists in New Hampshire27dermatologists in Lebanon21dermatologists at Dartmouth Hitchcock Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marshall Anderson Guill III billed Medicare for 2,265 services in 2021
CMS data shows 2,265 Medicare services from Dr. Guill across 10 procedure codes in 2021. Medicare paid $61,149 for them. Every service was in an office.
Medicare services, 20212,265
Paid by Medicare$61,149
Procedure codes10
Dr. Guill's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Surgery
- 2020: 3,4552021: 1,54355%
- Office and hospital visits
- 2020: 1,4372021: 72250%
Dr. Guill compared with the New Hampshire median for dermatologists, 2021
- Dr. Guill
- New Hampshire median
- Medicare services
- 2,265vs 2,4146% below
- Part D claims
- 230vs 52456% below
Medians across 73 dermatologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Guill's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Guill and other dermatologists in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marshall Anderson Guill III's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Guill's median patient age at 75, with 45% women.
Dr. Guill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Marshall Anderson Guill III wrote 230 Medicare Part D claims in 2021
In 2021, Dr. Guill wrote 230 Medicare Part D claims. They cover 9 drugs, with $6,188 in total drug cost. In 2020, CMS named 568 claims across 16 drugs.
Part D claims, 2021230
Drugs named by CMS9
Total drug cost$6,188
Dr. Guill's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 5682021: 23060%
Drugs named by CMS: 9 in 2021, 16 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Marshall Anderson Guill III has 10 publications on record
Dmand AI links 10 papers to Dr. Guill, published from 2011 to 2024. 2020 was the busiest year, with 2. The most frequent topics are Diagnosis, Differential, Erythema Chronicum Migrans and Pain. Dr. Guill has published most often in Am J Dermatopathol. Dr. Guill's most frequent co-authors are Lindsey Kay Collins, MD, Amin Hedayat, MD and Daniel Barkman Wimmer, DO.
Papers10
Years published2011 to 2024
Dr. Guill's papers by year, 2011 to 2024
Topics Dr. Guill writes about most
- Diagnosis, Differential
- Erythema Chronicum Migrans
- Pain
- Skin
- Torso
Dr. Guill's most frequent co-authors
- Lindsey Kay Collins, MD2 shared papers
- Amin Hedayat, MD2 shared papers
- Daniel Barkman Wimmer, DO2 shared papers
Recent publications by Dr. Guill
Diagnosis, DifferentialHistiocytic Necrotizing LymphadenitisLupus Erythematosus, Systemic
Borrelia burgdorferiDiagnosis, DifferentialErythema Chronicum Migrans
See who Dr. Guill researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Guill works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Marshall Anderson Guill III received $45 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Guill from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Galderma Laboratories, L.P. paid the most, $45.
Companies that paid Dr. Guill the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marshall Anderson Guill III graduated from Medical College of Georgia School of Medicine
Dr. Guill graduated from Medical College of Georgia School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marshall Anderson Guill III'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) |
| 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. Marshall Anderson Guill III
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. Marshall Anderson Guill III's NPI number?
Dr. Marshall Anderson Guill III's NPI number is 1932133030. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marshall Anderson Guill III?
Dr. Marshall Anderson Guill III is a dermatologist in Lebanon, New Hampshire. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Marshall Anderson Guill III practice?
Dr. Guill practices at 1 Medical Center Drive, Lebanon, NH 03756. Dr. Guill's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dmand AI also links Dr. Guill to 1 group practice or clinic.
What is Dr. Marshall Anderson Guill III's office phone number?
The practice phone on file for Dr. Guill is (603) 650-5000.
What is Dr. Marshall Anderson Guill III's medical license number?
Dr. Guill holds New Hampshire license 14454, one of the licenses on file in 2 states.
Which states has Dr. Marshall Anderson Guill III been licensed in?
Dmand AI has state licenses on file for Dr. Guill in New Hampshire and Georgia.
Which hospitals is Dr. Marshall Anderson Guill III affiliated with?
Dr. Guill practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire.
What medical group is Dr. Marshall Anderson Guill III part of?
Dr. Guill is linked to Dartmouth Hitchcock Medical Center.
Does Dr. Marshall Anderson Guill III accept Medicare?
Yes. CMS data shows Dr. Guill billed Medicare for 2,265 services in 2021.
What services does Dr. Marshall Anderson Guill III bill to Medicare?
In 2021, Dr. Guill's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).
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Where did Dr. Marshall Anderson Guill III go to medical school?
Dr. Guill graduated from Medical College of Georgia School of Medicine in 1973.
What drugs does Dr. Marshall Anderson Guill III prescribe most?
In 2021 Medicare Part D data, Dr. Guill's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Mupirocin.
Has Dr. Marshall Anderson Guill III received payments from drug or device companies?
CMS Open Payments shows $45 in general payments to Dr. Guill from 1 company from 2020 to 2020. The largest total came from Galderma Laboratories, L.P.
How long has Dr. Marshall Anderson Guill III been practicing?
Dr. Guill graduated from medical school in 1973, 53 years ago.
Does Dr. Marshall Anderson Guill III do research?
Dmand AI links 10 publications to Dr. Guill, published from 2011 to 2024.
Who does Dr. Marshall Anderson Guill III publish with?
Dr. Guill's most frequent co-authors are Lindsey Kay Collins, MD (2 shared papers), Amin Hedayat, MD (2 shared papers) and Daniel Barkman Wimmer, DO (2 shared papers).
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