Dr. Mark Arthur Preston, MD
- Medicare services, 2024
- 1,152
- Medicare patients, 2024
- 641
- Part D claims, 2024
- 207
- Hospital affiliations
- 5
- Industry payments
- $40,294
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Preston'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 Arthur Preston is a urologist in Boston, Massachusetts
Dr. Preston practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Preston's NPI, 1861780983, was assigned on July 11, 2011. Dr. Preston holds Massachusetts license 247103.
- NPI
- 1861780983NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486821402
- NPI enumeration date
- July 11, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Arthur Preston practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Preston's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Mark Arthur Preston is affiliated with 7 sites of care and 2 medical groups
Dr. Preston's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Preston is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Preston to 3 more hospitals, 1 home health agency, 1 hospital outpatient department and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Arthur Preston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Preston practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +6 more sites and 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. Mark Arthur Preston is one of 315 urologists in Massachusetts
Urology is Dr. Preston's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Preston is licensed in Massachusetts.
Specialties and state licenses
- Urology, MassachusettsPrimary
Urologists near Dr. Preston
Counts of urologists 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 Arthur Preston billed Medicare for 1,152 services in 2024
CMS data shows 1,152 Medicare services from Dr. Preston across 17 procedure codes in 2024, for 641 Medicare patients. Medicare paid $176,914 for them.
Dr. Preston's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5562024: 70126%
- Surgery
- 2023: 4042024: 405No change
- Imaging
- 2023: 752024: 4639%
- Drugs given in the office
- 2023: 1522024: 0100%
Where Dr. Preston's Medicare services took place, 2024
- In an office97284%
- In a facility18016%
Dr. Preston compared with the Massachusetts median for urologists, 2024
- Dr. Preston
- Massachusetts median
- Medicare services
- 1,152vs 1,152Close to median
- Medicare patients
- 641vs 50926% above
- Part D claims
- 165vs 57671% below
Medians across 305 urologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Preston'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.
Need commercial claims for Dr. Preston?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Preston and other urologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Arthur Preston treated 641 Medicare patients in 2024, average age 75
CMS counts 641 Medicare patients who saw Dr. Preston in 2024. The largest group is 65 to 74, with 300 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Preston's median patient age at 73, with 17% women.
Dr. Preston's Medicare patients by age, 2024
Dr. Preston's Medicare patients by sex, 2024
- Women10817%
- Men53383%
Chronic conditions among Dr. Preston's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Cancer58%
- Arthritis40%
- Chronic kidney disease28%
- Ischemic heart disease28%
- Anxiety22%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Preston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women17%
- Men82%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Arthur Preston wrote 207 Medicare Part D claims in 2024
In 2024, Dr. Preston wrote 207 Medicare Part D claims for 83 patients. 90% of them were for generic drugs. CMS names the drug for 165 of them, across 4 drugs with 11 or more claims each, at $16,483 in total drug cost. In 2023, CMS named 106 claims across 4 drugs.
Dr. Preston's Part D claims by kind of drug, 2024
- Generic187 claims90%
- Brand-name20 claims10%
Dr. Preston'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1062024: 16556%
Drugs named by CMS: 4 in 2024, 4 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. Mark Arthur Preston ranks in the 95th percentile for prostate resection in Medicare
Dr. Preston accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Preston as offering telehealth. CMS counts 38 procedures of prostate resection by Dr. Preston, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Preston ranks in Medicare procedure volume
- Prostate resection
- 95th percentile38 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of the uterus: 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark Arthur Preston received $40,294 in industry payments from 2016 to 2025
CMS Open Payments shows 60 general payments to Dr. Preston from 13 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 79% of the total. Pfizer Inc. paid the most, $15,975. It also lists 8 research payments totaling $8,410 from 2022 to 2024.
General payments to Dr. Preston by program year, 2016 to 2025
General payments to Dr. Preston by kind, 2016 to 2025
- Consulting fees$31,81979%
- Travel and lodging$4,36911%
- Food and beverage$2,5726%
- Education$1,5354%
Companies that paid Dr. Preston the most, 2016 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 Arthur Preston'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 DataDmand AI Org Hierarchy 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) |
| 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 Arthur Preston
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 Arthur Preston's NPI number?
Dr. Mark Arthur Preston's NPI number is 1861780983. It was assigned on July 11, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Arthur Preston?
Dr. Mark Arthur Preston is a urologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Mark Arthur Preston practice?
Dr. Preston practices at 75 Francis Street, Boston, MA 02115. Dr. Preston's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Preston to 3 hospitals, 1 home health agency, 1 hospital outpatient department and 1 medical group.
What is Dr. Mark Arthur Preston's office phone number?
The practice phone on file for Dr. Preston is (617) 732-5500.
What is Dr. Mark Arthur Preston's medical license number?
Dr. Preston holds Massachusetts license 247103.
Which hospitals is Dr. Mark Arthur Preston affiliated with?
Dr. Preston practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Preston is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Preston to 3 more hospitals.
What medical group is Dr. Mark Arthur Preston part of?
Dr. Preston is linked to Brigham and Women's Hospital. Dmand AI links Dr. Preston to 1 more medical group.
Does Dr. Mark Arthur Preston accept Medicare?
Yes. CMS data shows Dr. Preston billed Medicare for 1,152 services in 2024, and Dr. Preston accepts Medicare assignment.
Does Dr. Mark Arthur Preston offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Preston as offering telehealth services.
How many Medicare patients does Dr. Mark Arthur Preston see?
CMS counts 641 Medicare patients who saw Dr. Preston in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Mark Arthur Preston bill to Medicare?
In 2024, Dr. Preston's most billed Medicare services were surgery: urinary system (52000), office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. Mark Arthur Preston prescribe most?
In 2024 Medicare Part D data, Dr. Preston's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Myrbetriq.
Has Dr. Mark Arthur Preston received payments from drug or device companies?
CMS Open Payments shows $40,294 in general payments to Dr. Preston from 13 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Mark Arthur Preston been practicing?
Dr. Preston graduated from medical school in 2006, 20 years ago.
Selling to urology practices?
See urologists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card