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Dr. Leslie Robbins Demars, MD
NPI1801812581
- Medicare services, 2021
- 11
- Part D claims, 2018
- 97
- Publications
- 8
- Industry payments
- $7,195
- State license
- 1
- Practice address
- 1 Elliot Way, Manchester, NH 03103
- Practice phone
- Call (603) 627-1102
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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Dr. Leslie Robbins Demars is a gynecologic oncologist in Manchester, New Hampshire
Dr. Demars practices in Manchester, New Hampshire.
Dr. Demars' NPI, 1801812581, was assigned on July 14, 2006. Dr. Demars graduated from University of Vermont College of Medicine in 1987. Dr. Demars holds New Hampshire license 9903.
NPI and contact details
- NPI
- 1801812581NPI Registry (opens in a new tab)
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Practice phone
- (603) 627-1102
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Leslie Robbins Demars' practice address is in Manchester, New Hampshire
Dr. Demars' practice address in the NPI Registry is 1 Elliot Way, Manchester, NH 03103, in Hillsborough County. The practice phone is (603) 627-1102.
- NPI Registry address1 Elliot Way, Manchester, NH 03103 · Hillsborough CountyPhone(603) 627-1102
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Leslie Robbins Demars' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Demars practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Demars' practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leslie Robbins Demars is one of 10 gynecologic oncologists in New Hampshire
Gynecologic oncology is Dr. Demars' primary specialty in the NPI Registry, under taxonomy code 207VX0201X. Dr. Demars is licensed in New Hampshire.
Specialties and state licenses
- Gynecologic oncology, New HampshirePrimary
Gynecologic oncologists near Dr. Demars
Counts of gynecologic oncologists with a Dmand AI profile, by place and practice. Each opens the list.
10gynecologic oncologists in New Hampshire
2gynecologic oncologists in Manchester
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Leslie Robbins Demars billed Medicare for 11 services in 2021
CMS data shows 11 Medicare services from Dr. Demars across 1 procedure code in 2021. Medicare paid $1,308 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202111
Paid by Medicare$1,308
Procedure codes1
Dr. Demars' Medicare services by type, 2018 to 2021
- 2018
- 2021
- Surgery
- 2018: 392021: 1172%
- Office and hospital visits
- 2018: 2432021: 0100%
Dr. Demars' 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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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Leslie Robbins Demars' patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Demars' median patient age at 64, with 100% women.
Dr. Demars' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Leslie Robbins Demars wrote 97 Medicare Part D claims in 2018
In 2018, Dr. Demars wrote 97 Medicare Part D claims. Every claim was for a generic drug. They cover 6 drugs, with $14,941 in total drug cost. In 2017, CMS named 78 claims across 6 drugs.
Part D claims, 201897
Drugs named by CMS6
Total drug cost$14,941
Dr. Demars' most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 782018: 9724%
Drugs named by CMS: 6 in 2018, 6 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Leslie Robbins Demars has 8 publications on record
Dmand AI links 8 papers to Dr. Demars, published from 2015 to 2020. 2017 was the busiest year, with 4. The most frequent topics are Papillomavirus Infections. Dr. Demars has published most often in Gynecol Oncol. Dr. Demars' most frequent co-author is Carleigh Brandt Nesbit, DO.
Papers8
Years published2015 to 2020
Dr. Demars' papers by year, 2015 to 2020
Topics Dr. Demars writes about most
- Papillomavirus Infections
Dr. Demars' most frequent co-authors
Recent publications by Dr. Demars
Reprod Biol Endocrinol
CryopreservationFamily Planning ServicesFertility Preservation
See who Dr. Demars researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Demars works with, so you can find a warm path to the right gynecologic oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leslie Robbins Demars received $7,195 in industry payments from 2017 to 2018
CMS Open Payments shows 22 general payments to Dr. Demars from 3 drug and device companies from 2017 to 2018. Consulting fees make up the largest share, 74% of the total. TESARO, Inc. paid the most, $5,355.
General payments to Dr. Demars by program year, 2017 to 2018
General payments to Dr. Demars by kind, 2017 to 2018
$7.2Kin total
- Consulting fees$5,35074%
- Travel and lodging$1,00314%
- Food and beverage$82211%
- Education$200%
Companies that paid Dr. Demars the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leslie Robbins Demars graduated from University of Vermont College of Medicine
Dr. Demars graduated from University of Vermont College of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leslie Robbins Demars'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| 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. Leslie Robbins Demars
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. Leslie Robbins Demars' NPI number?
Dr. Leslie Robbins Demars' NPI number is 1801812581. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leslie Robbins Demars?
Dr. Leslie Robbins Demars is a gynecologic oncologist in Manchester, New Hampshire. The primary specialty in the NPI Registry is Gynecologic Oncology Physician (taxonomy code 207VX0201X).
Where does Dr. Leslie Robbins Demars practice?
Dr. Demars practices at 1 Elliot Way, Manchester, NH 03103.
What is Dr. Leslie Robbins Demars' office phone number?
The practice phone on file for Dr. Demars is (603) 627-1102.
What is Dr. Leslie Robbins Demars' medical license number?
Dr. Demars holds New Hampshire license 9903.
Does Dr. Leslie Robbins Demars accept Medicare?
Yes. CMS data shows Dr. Demars billed Medicare for 11 services in 2021.
What services does Dr. Leslie Robbins Demars bill to Medicare?
In 2021, Dr. Demars' most billed Medicare services were surgery: blood and lymph system (38900).
Where did Dr. Leslie Robbins Demars go to medical school?
Dr. Demars graduated from University of Vermont College of Medicine in 1987.
What drugs does Dr. Leslie Robbins Demars prescribe most?
In 2018 Medicare Part D data, Dr. Demars' most prescribed drugs by claims were Lorazepam, Dexamethasone and Megestrol Acetate.
Has Dr. Leslie Robbins Demars received payments from drug or device companies?
CMS Open Payments shows $7,195 in general payments to Dr. Demars from 3 companies from 2017 to 2018. The largest total came from TESARO, Inc.
Show 3 more questionsShow fewer questions
How long has Dr. Leslie Robbins Demars been practicing?
Dr. Demars graduated from medical school in 1987, 39 years ago.
Does Dr. Leslie Robbins Demars do research?
Dmand AI links 8 publications to Dr. Demars, published from 2015 to 2020.
Who does Dr. Leslie Robbins Demars publish with?
Dr. Demars' most frequent co-authors are Carleigh Brandt Nesbit, DO (1 shared paper).
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