Dr. Britain Welton Nicholson, MD
- Medicare services, 2024
- 562
- Medicare patients, 2024
- 176
- Part D claims, 2024
- 2,183
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 800 Washington Street, Boston, MA 02111
- Practice phone
- Call (617) 636-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Britain Welton Nicholson is an internist in Boston, Massachusetts
Dr. Nicholson practices at Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine.
Dr. Nicholson's NPI, 1578563680, was assigned on July 29, 2005. Dr. Nicholson graduated from Duke University School of Medicine in 1976. Dr. Nicholson holds Massachusetts license 46175.
- NPI
- 1578563680NPI Registry (opens in a new tab)
- NPI enumeration date
- July 29, 2005
- NPI status
- Active
- Practice phone
- (617) 636-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Britain Welton Nicholson practices at Tufts Medical Center in Boston, Massachusetts
Dr. Nicholson's primary practice is Tufts Medical Center, at 800 Washington Street, Boston, MA 02111 in Suffolk County. The practice phone is (617) 636-5000.
- Tufts Medical Center800 Washington Street, Boston, MA 02111 · Suffolk CountyPhone(617) 636-5000
Source: Dmand AI Affiliation Data
Dr. Britain Welton Nicholson is affiliated with 4 sites of care and 2 medical groups
Dr. Nicholson's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Nicholson to 2 more group practices and clinics, 1 imaging center 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. Britain Welton Nicholson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nicholson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tufts Medical Center | Available with a free account |
| +3 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 Tufts Medicine and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Britain Welton Nicholson is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Nicholson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nicholson is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Nicholson
Counts of internists 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. Britain Welton Nicholson billed Medicare for 562 services in 2024
CMS data shows 562 Medicare services from Dr. Nicholson across 7 procedure codes in 2024, for 176 Medicare patients. Medicare paid $39,548 for them. Every service was in an office.
Dr. Nicholson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3822024: 24935%
- Surgery
- 2023: 1902024: 14922%
- Other services
- 2023: 1982024: 14825%
- Tests and treatments
- 2023: 312024: 1648%
Dr. Nicholson compared with the Massachusetts median for internists, 2024
- Dr. Nicholson
- Massachusetts median
- Medicare services
- 562vs 43130% above
- Medicare patients
- 176vs 1949% below
- Part D claims
- 1,737vs 4024.3 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Nicholson'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. Nicholson and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Britain Welton Nicholson treated 176 Medicare patients in 2024, average age 78
CMS counts 176 Medicare patients who saw Dr. Nicholson in 2024. The largest group is 75 to 84, with 69 patients. 75% of them have high cholesterol, and 60% have high blood pressure. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nicholson's median patient age at 73, with 25% women.
Dr. Nicholson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nicholson's Medicare patients by sex, 2024
- Women6034%
- Men11666%
Chronic conditions among Dr. Nicholson's Medicare patients, 2024
- High cholesterol75%
- High blood pressure60%
- Arthritis44%
- Ischemic heart disease32%
- Atrial fibrillation24%
- Mood disorders22%
- Chronic kidney disease21%
- Diabetes20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nicholson'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
- Women25%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Britain Welton Nicholson wrote 2,183 Medicare Part D claims in 2024
In 2024, Dr. Nicholson wrote 2,183 Medicare Part D claims for 272 patients. 91% of them were for generic drugs. CMS names the drug for 1,737 of them, across 48 drugs with 11 or more claims each, at $142,799 in total drug cost. In 2023, CMS named 2,223 claims across 59 drugs.
Dr. Nicholson's Part D claims by kind of drug, 2024
- Generic1,976 claims91%
- Brand-name and other207 claims9%
Dr. Nicholson'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. Nicholson's Part D claims, 2024
- Opioids2%40 of 2,183 claims
- Antibiotics1%25 of 2,183 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: 2,2232024: 1,73722%
Drugs named by CMS: 48 in 2024, 59 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. Britain Welton Nicholson graduated from Duke University School of Medicine
Dr. Nicholson graduated from Duke University School of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Britain Welton Nicholson'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) |
| 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. Britain Welton Nicholson
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What is Dr. Britain Welton Nicholson's NPI number?
Dr. Britain Welton Nicholson's NPI number is 1578563680. It was assigned on July 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Britain Welton Nicholson?
Dr. Britain Welton Nicholson is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Britain Welton Nicholson practice?
Dr. Nicholson practices at 800 Washington Street, Boston, MA 02111. Dr. Nicholson's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Nicholson to 2 group practices and clinics, 1 imaging center and 1 medical group.
What is Dr. Britain Welton Nicholson's office phone number?
The practice phone on file for Dr. Nicholson is (617) 636-5000.
What is Dr. Britain Welton Nicholson's medical license number?
Dr. Nicholson holds Massachusetts license 46175.
Which hospitals is Dr. Britain Welton Nicholson affiliated with?
Dr. Nicholson practices at Tufts Medical Center in Boston, Massachusetts.
What medical group is Dr. Britain Welton Nicholson part of?
Dr. Nicholson is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Nicholson to 1 more medical group.
Does Dr. Britain Welton Nicholson accept Medicare?
Yes. CMS data shows Dr. Nicholson billed Medicare for 562 services in 2024.
How many Medicare patients does Dr. Britain Welton Nicholson see?
CMS counts 176 Medicare patients who saw Dr. Nicholson in 2024, with an average age of 78.
What services does Dr. Britain Welton Nicholson bill to Medicare?
In 2024, Dr. Nicholson's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99213) and office visit, established patient (99214).
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Where did Dr. Britain Welton Nicholson go to medical school?
Dr. Nicholson graduated from Duke University School of Medicine in 1976.
What drugs does Dr. Britain Welton Nicholson prescribe most?
In 2024 Medicare Part D data, Dr. Nicholson's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Tamsulosin HCl.
How long has Dr. Britain Welton Nicholson been practicing?
Dr. Nicholson graduated from medical school in 1976, 50 years ago.
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