Dr. Roy R. Shen, MD
- Medicare services, 2024
- 178
- Medicare patients, 2024
- 164
- Part D claims, 2024
- 251
- Hospital affiliations
- 2
- Industry payments
- $3,567
- Practice address
- 21 Village Sq, Chelmsford, MA 01824-2712
- Practice phone
- Call (978) 995-3292
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Precision Surgical Specialists Of Lowell
Surgical practice · Chelmsford, Massachusetts
Find Dr. Shen'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. Roy R. Shen is a general surgeon in Chelmsford, Massachusetts
Dr. Shen practices at Precision Surgical Specialists Of Lowell in Chelmsford, Massachusetts.
Dr. Shen's NPI, 1407831563, was assigned on December 13, 2005. Dr. Shen graduated from Jefferson Medical College of Thomas Jefferson University in 1996. Dr. Shen holds Massachusetts license 219267.
- NPI
- 1407831563NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143223875
- NPI enumeration date
- December 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 995-3292
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roy R. Shen practices at Precision Surgical Specialists of Lowell in Chelmsford, Massachusetts
Dr. Shen's primary practice is Precision Surgical Specialists of Lowell, at 21 Village Sq, Chelmsford, MA 01824-2712. The practice phone is (978) 995-3292.
- Precision Surgical Specialists of Lowell21 Village Sq, Chelmsford, MA 01824-2712Phone(978) 995-3292
Source: Dmand AI Affiliation Data
Dr. Roy R. Shen is affiliated with 3 sites of care and 1 medical group
Dr. Shen's primary practice is Precision Surgical Specialists Of Lowell in Chelmsford, Massachusetts. Dr. Shen is also affiliated with Lowell General Hospital. The medical group on file is Precision Surgical Specialists of Lowell. Dmand AI also links Dr. Shen to 1 more hospital, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Roy R. Shen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Precision Surgical Specialists Of Lowell | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roy R. Shen is one of 732 general surgeons in Massachusetts
Surgery is Dr. Shen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Shen is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Shen
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. Roy R. Shen billed Medicare for 178 services in 2024
CMS data shows 178 Medicare services from Dr. Shen across 5 procedure codes in 2024, for 164 Medicare patients. Medicare paid $20,247 for them.
Dr. Shen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1982024: 16417%
- Surgery
- 2023: 322024: 1456%
Where Dr. Shen's Medicare services took place, 2024
- In an office12067%
- In a facility5833%
Dr. Shen compared with the Massachusetts median for general surgeons, 2024
- Dr. Shen
- Massachusetts median
- Medicare services
- 178vs 20011% below
- Medicare patients
- 164vs 1528% above
- Part D claims
- 192vs 228.7 times
Medians across 688 general surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Shen'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shen and other general surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roy R. Shen treated 164 Medicare patients in 2024, average age 68
CMS counts 164 Medicare patients who saw Dr. Shen in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Shen's median patient age at 54, with 58% women.
Dr. Shen's Medicare patients by age, 2024
Dr. Shen's Medicare patients by sex, 2024
- Women8552%
- Men7948%
Chronic conditions among Dr. Shen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Diabetes39%
- Mood disorders39%
- Anxiety38%
- Ischemic heart disease37%
- Depression35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roy R. Shen wrote 251 Medicare Part D claims in 2024
In 2024, Dr. Shen wrote 251 Medicare Part D claims for 113 patients. 94% of them were for generic drugs. CMS names the drug for 192 of them, across 5 drugs with 11 or more claims each, at $1,392 in total drug cost. In 2023, CMS named 141 claims across 5 drugs.
Dr. Shen's Part D claims by kind of drug, 2024
- Generic235 claims94%
- Brand-name16 claims6%
Dr. Shen'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. Shen's Part D claims, 2024
- Opioids34%85 of 251 claims
- Antibiotics8%21 of 251 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: 1412024: 19236%
Drugs named by CMS: 5 in 2024, 5 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
Dr. Roy R. Shen ranks in the 86th percentile for hernia repair (minimally invasive) in Medicare
Dr. Shen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of hernia repair (minimally invasive) by Dr. Shen, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Shen ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 86th percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Roy R. Shen received $3,567 in industry payments from 2016 to 2025
CMS Open Payments shows 30 general payments to Dr. Shen from 11 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 51% of the total. Intuitive Surgical, Inc. paid the most, $1,589.
General payments to Dr. Shen by program year, 2016 to 2025
General payments to Dr. Shen by kind, 2016 to 2025
- Travel and lodging$1,80251%
- Food and beverage$1,76549%
Companies that paid Dr. Shen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roy R. Shen graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Shen graduated from Jefferson Medical College of Thomas Jefferson University in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roy R. Shen'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 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) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Roy R. Shen
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. Roy R. Shen's NPI number?
Dr. Roy R. Shen's NPI number is 1407831563. It was assigned on December 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Roy R. Shen?
Dr. Roy R. Shen is a general surgeon in Chelmsford, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Roy R. Shen practice?
Dr. Shen practices at 21 Village Sq, Chelmsford, MA 01824-2712. Dr. Shen's primary practice is Precision Surgical Specialists Of Lowell in Chelmsford, Massachusetts. Dmand AI also links Dr. Shen to 1 hospital.
What is Dr. Roy R. Shen's office phone number?
The practice phone on file for Dr. Shen is (978) 995-3292.
What is Dr. Roy R. Shen's medical license number?
Dr. Shen holds Massachusetts license 219267.
Which hospitals is Dr. Roy R. Shen affiliated with?
Dr. Shen is affiliated with Lowell General Hospital. Dmand AI links Dr. Shen to 1 more hospital.
What medical group is Dr. Roy R. Shen part of?
Dr. Shen is linked to Precision Surgical Specialists of Lowell.
Does Dr. Roy R. Shen accept Medicare?
Yes. CMS data shows Dr. Shen billed Medicare for 178 services in 2024, and Dr. Shen accepts Medicare assignment.
How many Medicare patients does Dr. Roy R. Shen see?
CMS counts 164 Medicare patients who saw Dr. Shen in 2024, with an average age of 68.
What services does Dr. Roy R. Shen bill to Medicare?
In 2024, Dr. Shen's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, new patient (99204).
Show 4 more questionsShow fewer questions
Where did Dr. Roy R. Shen go to medical school?
Dr. Shen graduated from Jefferson Medical College of Thomas Jefferson University in 1996.
What drugs does Dr. Roy R. Shen prescribe most?
In 2024 Medicare Part D data, Dr. Shen's most prescribed drugs by claims were Oxycodone HCl, Omeprazole and Ondansetron HCl.
Has Dr. Roy R. Shen received payments from drug or device companies?
CMS Open Payments shows $3,567 in general payments to Dr. Shen from 11 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Roy R. Shen been practicing?
Dr. Shen graduated from medical school in 1996, 30 years ago.
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