Dr. Andrew Douglas Clark, MD
- Hospital affiliations
- 1
- Industry payments
- $127
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Clark'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. Andrew Douglas Clark is a general surgeon in Columbia, Missouri
Dr. Clark practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Clark's NPI, 1043889439, was assigned on June 21, 2021. Dr. Clark graduated from University of Missouri, Columbia School of Medicine in 2021. Dr. Clark holds Missouri license 2021023159.
- NPI
- 1043889439NPI Registry (opens in a new tab)
- NPI enumeration date
- June 21, 2021
- NPI status
- Active
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Douglas Clark practices in Boston and Columbia
Dr. Clark's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000. The NPI Registry lists Dr. Clark's practice address as 1 Hospital Dr, Columbia, MO 65212-1000.
- Massachusetts General HospitalPrimary55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
- NPI Registry address1 Hospital Dr, Columbia, MO 65212-1000Phone(573) 884-2000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Andrew Douglas Clark is affiliated with 1 site of care and 2 medical groups
Dr. Clark's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Clark to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Andrew Douglas Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 medical group | 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 Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Andrew Douglas Clark is one of 593 general surgeons in Missouri
Surgery is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Clark is licensed in Missouri.
Specialties and state licenses
- Surgery, MissouriPrimary
General surgeons near Dr. Clark
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. Andrew Douglas Clark's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Clark's median patient age at 43, with 0% women.
Dr. Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Andrew Douglas Clark received $127 in industry payments from 2021 to 2022
CMS Open Payments shows 2 general payments to Dr. Clark from 1 drug or device company from 2021 to 2022. Food and beverage make up the largest share, 100% of the total. Baxter Healthcare paid the most, $127.
General payments to Dr. Clark by program year, 2021 to 2022
Companies that paid Dr. Clark the most, 2021 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew Douglas Clark graduated from University of Missouri, Columbia School of Medicine
Dr. Clark graduated from University of Missouri, Columbia School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrew Douglas Clark'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Andrew Douglas Clark
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. Andrew Douglas Clark's NPI number?
Dr. Andrew Douglas Clark's NPI number is 1043889439. It was assigned on June 21, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Douglas Clark?
Dr. Andrew Douglas Clark is a general surgeon in Columbia, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Andrew Douglas Clark practice?
Dr. Clark practices at 55 Fruit Street, Boston, MA 02114. Dr. Clark also practices at 1 Hospital Dr, Columbia, MO 65212-1000. Dr. Clark's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Clark to 1 medical group.
What is Dr. Andrew Douglas Clark's office phone number?
The practice phone on file for Dr. Clark is (617) 726-2000.
What is Dr. Andrew Douglas Clark's medical license number?
Dr. Clark holds Missouri license 2021023159.
Which hospitals is Dr. Andrew Douglas Clark affiliated with?
Dr. Clark practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Andrew Douglas Clark part of?
Dr. Clark is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Clark to 1 more medical group.
Where did Dr. Andrew Douglas Clark go to medical school?
Dr. Clark graduated from University of Missouri, Columbia School of Medicine in 2021.
Has Dr. Andrew Douglas Clark received payments from drug or device companies?
CMS Open Payments shows $127 in general payments to Dr. Clark from 1 company from 2021 to 2022. The largest total came from Baxter Healthcare.
How long has Dr. Andrew Douglas Clark been practicing?
Dr. Clark graduated from medical school in 2021, 5 years ago.
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