Dr. Elizabeth J. Welch Marsh, MD
- Medicare services, 2024
- 253
- Medicare patients, 2024
- 318
- Hospital affiliations
- 5
- Industry payments
- $186
- Medical groups
- 10
- 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. Welch Marsh's professional email, personal email and mobile number
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Dr. Elizabeth J. Welch Marsh is an anesthesiologist in Lebanon, New Hampshire
Dr. Welch Marsh practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health.
Dr. Welch Marsh's NPI, 1619974680, was assigned on July 5, 2005. Dr. Welch Marsh graduated from University of Vermont College of Medicine in 2001. Dr. Welch Marsh holds New Hampshire license 12925.
- NPI
- 1619974680NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173542461
- NPI enumeration date
- July 5, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 650-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Elizabeth J. Welch Marsh practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire
Dr. Welch Marsh'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. Elizabeth J. Welch Marsh is affiliated with 9 sites of care and 10 medical groups
Dr. Welch Marsh's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dr. Welch Marsh is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Welch Marsh to 3 more hospitals, 9 medical groups, 3 group practices and clinics and 1 ambulatory surgery center, 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. Elizabeth J. Welch Marsh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Welch Marsh practices, 9 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 |
| +8 more sites 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 Dartmouth-Hitchcock Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Elizabeth J. Welch Marsh is one of 236 anesthesiologists in New Hampshire
Anesthesiology is Dr. Welch Marsh's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Welch Marsh is licensed in New Hampshire.
Specialties and state licenses
- Anesthesiology, New HampshirePrimary
Anesthesiologists near Dr. Welch Marsh
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. Elizabeth J. Welch Marsh billed Medicare for 253 services in 2024
CMS data shows 253 Medicare services from Dr. Welch Marsh across 4 procedure codes in 2024, for 318 Medicare patients. Medicare paid $22,165 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Welch Marsh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 942024: 253169%
Dr. Welch Marsh compared with the New Hampshire median for anesthesiologists, 2024
- Dr. Welch Marsh
- New Hampshire median
- Medicare services
- 253vs 972.6 times
- Medicare patients
- 318vs 16889% above
Medians across 249 anesthesiologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Welch Marsh'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. Welch Marsh?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Welch Marsh and other anesthesiologists in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Elizabeth J. Welch Marsh treated 318 Medicare patients in 2024, average age 72
CMS counts 318 Medicare patients who saw Dr. Welch Marsh in 2024. The largest group is 65 to 74, with 176 patients. 74% of them have high cholesterol, and 66% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Welch Marsh's median patient age at 58, with 54% women.
Dr. Welch Marsh's Medicare patients by age, 2024
Dr. Welch Marsh's Medicare patients by sex, 2024
- Women17756%
- Men14144%
Chronic conditions among Dr. Welch Marsh's Medicare patients, 2024
- High cholesterol74%
- High blood pressure66%
- Arthritis49%
- Anxiety32%
- Mood disorders32%
- Depression26%
- Diabetes22%
- Ischemic heart disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Welch Marsh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Elizabeth J. Welch Marsh takes part in Medicare
Dr. Welch Marsh 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. Elizabeth J. Welch Marsh received $186 in industry payments in 2025
CMS Open Payments shows 8 general payments to Dr. Welch Marsh from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Ardelyx, Inc. paid the most, $161.
Companies that paid Dr. Welch Marsh the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Elizabeth J. Welch Marsh graduated from University of Vermont College of Medicine
Dr. Welch Marsh graduated from University of Vermont College of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Elizabeth J. Welch Marsh'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) |
| 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. Elizabeth J. Welch Marsh
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. Elizabeth J. Welch Marsh's NPI number?
Dr. Elizabeth J. Welch Marsh's NPI number is 1619974680. It was assigned on July 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Elizabeth J. Welch Marsh?
Dr. Elizabeth J. Welch Marsh is an anesthesiologist in Lebanon, New Hampshire. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Elizabeth J. Welch Marsh practice?
Dr. Welch Marsh practices at 1 Medical Center Drive, Lebanon, NH 03756. Dr. Welch Marsh's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dmand AI also links Dr. Welch Marsh to 3 hospitals, 9 medical groups, 3 group practices and clinics and 1 ambulatory surgery center.
What is Dr. Elizabeth J. Welch Marsh's office phone number?
The practice phone on file for Dr. Welch Marsh is (603) 650-5000.
What is Dr. Elizabeth J. Welch Marsh's medical license number?
Dr. Welch Marsh holds New Hampshire license 12925.
Which hospitals is Dr. Elizabeth J. Welch Marsh affiliated with?
Dr. Welch Marsh practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire. Dr. Welch Marsh is also affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Welch Marsh to 3 more hospitals.
What medical group is Dr. Elizabeth J. Welch Marsh part of?
Dr. Welch Marsh is linked to UMass Memorial Medical Group. Dmand AI links Dr. Welch Marsh to 9 more medical groups.
Does Dr. Elizabeth J. Welch Marsh accept Medicare?
Yes. CMS data shows Dr. Welch Marsh billed Medicare for 253 services in 2024, and Dr. Welch Marsh accepts Medicare assignment.
How many Medicare patients does Dr. Elizabeth J. Welch Marsh see?
CMS counts 318 Medicare patients who saw Dr. Welch Marsh in 2024, with an average age of 72.
What services does Dr. Elizabeth J. Welch Marsh bill to Medicare?
In 2024, Dr. Welch Marsh's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00813).
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Where did Dr. Elizabeth J. Welch Marsh go to medical school?
Dr. Welch Marsh graduated from University of Vermont College of Medicine in 2001.
Has Dr. Elizabeth J. Welch Marsh received payments from drug or device companies?
CMS Open Payments shows $186 in general payments to Dr. Welch Marsh from 2 companies from 2025 to 2025. The largest total came from Ardelyx, Inc.
How long has Dr. Elizabeth J. Welch Marsh been practicing?
Dr. Welch Marsh graduated from medical school in 2001, 25 years ago.
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