Dr. Mark R. Sinclair, MD
- Industry payments
- $1,614
- Affiliated sites
- 2
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 516 Carew St, Springfield, MA 01104
- Practice phone
- Call (413) 787-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Shriners' Hospital for Children Professional Services
Springfield, Massachusetts
Find Dr. Sinclair'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. Mark R. Sinclair is a pediatric surgery physician in Springfield, Massachusetts
Dr. Sinclair practices at The Shriners' Hospital for Children Professional Services in Springfield, Massachusetts.
Dr. Sinclair's NPI, 1689624140, was assigned on May 12, 2006. Dr. Sinclair holds Missouri license 2004005144.
- NPI
- 1689624140NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941299796
- NPI enumeration date
- May 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 787-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark R. Sinclair practices at The Shriners' Hospital for Children Professional Services in Springfield, Massachusetts
Dr. Sinclair's primary practice is The Shriners' Hospital for Children Professional Services, at 516 Carew St, Springfield, MA 01104 in Hampden County. The practice phone is (413) 787-2000.
- The Shriners' Hospital for Children Professional Services516 Carew St, Springfield, MA 01104 · Hampden CountyPhone(413) 787-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark R. Sinclair is affiliated with 3 sites of care and 4 medical groups
Dr. Sinclair's primary practice is The Shriners' Hospital for Children Professional Services in Springfield, Massachusetts. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Sinclair to 3 more medical groups and 2 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark R. Sinclair's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sinclair practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Shriners' Hospital for Children Professional Services | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark R. Sinclair is one of 45 pediatric surgery physicians in Massachusetts
Pediatric surgery is Dr. Sinclair's primary specialty in the NPI Registry, under taxonomy code 2086S0120X. Dr. Sinclair is licensed in Missouri.
Specialties and state licenses
- Pediatric surgery, MissouriPrimary
Pediatric surgery physicians near Dr. Sinclair
Counts of pediatric surgery physicians 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. Mark R. Sinclair's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Sinclair's median patient age at 12, with 44% women.
Dr. Sinclair's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women44%
- Men55%
Source: Dmand AI Patient Panel Data
How Dr. Mark R. Sinclair takes part in Medicare
Dr. Sinclair 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)
Dr. Mark R. Sinclair received $1,614 in industry payments from 2018 to 2025
CMS Open Payments shows 11 general payments to Dr. Sinclair from 3 drug and device companies from 2018 to 2025. Travel and lodging make up the largest share, 75% of the total. Globus Medical, Inc. paid the most, $1,423.
General payments to Dr. Sinclair by program year, 2018 to 2025
General payments to Dr. Sinclair by kind, 2018 to 2025
- Travel and lodging$1,20875%
- Food and beverage$40725%
Companies that paid Dr. Sinclair the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark R. Sinclair'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 DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Mark R. Sinclair
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. Mark R. Sinclair's NPI number?
Dr. Mark R. Sinclair's NPI number is 1689624140. It was assigned on May 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark R. Sinclair?
Dr. Mark R. Sinclair is a pediatric surgery physician in Springfield, Massachusetts. The primary specialty in the NPI Registry is Pediatric Surgery Physician (taxonomy code 2086S0120X).
Where does Dr. Mark R. Sinclair practice?
Dr. Sinclair practices at 516 Carew St, Springfield, MA 01104. Dr. Sinclair's primary practice is The Shriners' Hospital for Children Professional Services in Springfield, Massachusetts. Dmand AI also links Dr. Sinclair to 3 medical groups and 2 group practices and clinics.
What is Dr. Mark R. Sinclair's office phone number?
The practice phone on file for Dr. Sinclair is (413) 787-2000.
What is Dr. Mark R. Sinclair's medical license number?
Dr. Sinclair holds Missouri license 2004005144.
What medical group is Dr. Mark R. Sinclair part of?
Dr. Sinclair is linked to OSF Multi-Specialty Group. Dmand AI links Dr. Sinclair to 3 more medical groups.
Does Dr. Mark R. Sinclair accept Medicare?
Yes. CMS lists Dr. Sinclair as accepting Medicare assignment.
Has Dr. Mark R. Sinclair received payments from drug or device companies?
CMS Open Payments shows $1,614 in general payments to Dr. Sinclair from 3 companies from 2018 to 2025. The largest total came from Globus Medical, Inc.
How long has Dr. Mark R. Sinclair been practicing?
Dr. Sinclair graduated from medical school in 1986, 40 years ago.
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