Dr. Guy Philip Guenthner, MD
- Part D claims, 2024
- 61
- Publications
- 8
- Industry payments
- $790
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 133 Old Road To 9 Acre Cor, Concord, MA 01742
- Practice phone
- Call (978) 287-3226
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Emerson Hospital Diagnostic Testing, Inc
Concord, Massachusetts
Find Dr. Guenthner'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. Guy Philip Guenthner is an orthopedic surgeon in Concord, Massachusetts
Dr. Guenthner practices at Emerson Hospital Diagnostic Testing, Inc in Concord, Massachusetts.
Dr. Guenthner's NPI, 1699418855, was assigned on April 15, 2022. Dr. Guenthner holds Massachusetts license 293179.
- NPI
- 1699418855NPI Registry (opens in a new tab)
- NPI enumeration date
- April 15, 2022
- NPI status
- Active
- Practice phone
- (978) 287-3226
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Guy Philip Guenthner practices at Emerson Hospital Diagnostic Testing, Inc in Concord, Massachusetts
Dr. Guenthner's primary practice is Emerson Hospital Diagnostic Testing, Inc, at 133 Old Road To 9 Acre Cor, Concord, MA 01742 in Middlesex County. The practice phone is (978) 287-3226.
- Emerson Hospital Diagnostic Testing, Inc133 Old Road To 9 Acre Cor, Concord, MA 01742 · Middlesex CountyPhone(978) 287-3226
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Guy Philip Guenthner is affiliated with 1 site of care
Dr. Guenthner's primary practice is Emerson Hospital Diagnostic Testing, Inc in Concord, Massachusetts.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Guy Philip Guenthner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guenthner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emerson Hospital Diagnostic Testing, Inc | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Guy Philip Guenthner is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Guenthner's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Guenthner is licensed in Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, MassachusettsPrimary
Orthopedic surgeons near Dr. Guenthner
Counts of orthopedic 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. Guy Philip Guenthner's patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Dr. Guenthner's median patient age at 41, with 22% women.
Dr. Guenthner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women22%
- Men78%
Source: Dmand AI Patient Panel Data
Dr. Guy Philip Guenthner wrote 61 Medicare Part D claims in 2024
In 2024, Dr. Guenthner wrote 61 Medicare Part D claims for 45 patients. 92% of them were for generic drugs. CMS names the drug for 30 of them, across 1 drug with 11 or more claims each, at $88 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Guenthner's Part D claims by kind of drug, 2024
- Generic56 claims92%
- Brand-name and other5 claims8%
Dr. Guenthner'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.
Drug classes CMS tracks in Dr. Guenthner's Part D claims, 2024
- Opioids67%41 of 61 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 30173%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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
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Dr. Guy Philip Guenthner has 8 publications on record
Dmand AI links 8 papers to Dr. Guenthner, published from 2020 to 2025. 2025 was the busiest year, with 3. Dr. Guenthner's most frequent co-authors are Matthew J. Salzler, MD, Nicholas Alan Andring, MD and Arun Aneja, MD, PhD.
Dr. Guenthner's papers by year, 2020 to 2025
Dr. Guenthner's most frequent co-authors
- Matthew J. Salzler, MD2 shared papers
- Nicholas Alan Andring, MD1 shared paper
- Arun Aneja, MD, PhD1 shared paper
Recent publications by Dr. Guenthner
Tech Hand Up Extrem Surg
J Am Acad Orthop Surg
See who Dr. Guenthner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Guenthner works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Guy Philip Guenthner received $790 in industry payments from 2022 to 2025
CMS Open Payments shows 17 general payments to Dr. Guenthner from 8 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $465.
General payments to Dr. Guenthner by program year, 2022 to 2025
Companies that paid Dr. Guenthner the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Guy Philip Guenthner'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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)Medicare Part D Prescribers - by Provider (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) |
| 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. Guy Philip Guenthner
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. Guy Philip Guenthner's NPI number?
Dr. Guy Philip Guenthner's NPI number is 1699418855. It was assigned on April 15, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Guy Philip Guenthner?
Dr. Guy Philip Guenthner is an orthopedic surgeon in Concord, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Guy Philip Guenthner practice?
Dr. Guenthner practices at 133 Old Road To 9 Acre Cor, Concord, MA 01742. Dr. Guenthner's primary practice is Emerson Hospital Diagnostic Testing, Inc in Concord, Massachusetts.
What is Dr. Guy Philip Guenthner's office phone number?
The practice phone on file for Dr. Guenthner is (978) 287-3226.
What is Dr. Guy Philip Guenthner's medical license number?
Dr. Guenthner holds Massachusetts license 293179.
What drugs does Dr. Guy Philip Guenthner prescribe most?
In 2024 Medicare Part D data, Dr. Guenthner's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Guy Philip Guenthner received payments from drug or device companies?
CMS Open Payments shows $790 in general payments to Dr. Guenthner from 8 companies from 2022 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Guy Philip Guenthner been practicing?
Dr. Guenthner's NPI was assigned in 2022.
Does Dr. Guy Philip Guenthner do research?
Dmand AI links 8 publications to Dr. Guenthner, published from 2020 to 2025.
Who does Dr. Guy Philip Guenthner publish with?
Dr. Guenthner's most frequent co-authors are Matthew J. Salzler, MD (2 shared papers), Nicholas Alan Andring, MD (1 shared paper) and Arun Aneja, MD, PhD (1 shared paper).
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