Dr. Daniel Scott Simpson, MD
- Medicare services, 2024
- 498
- Medicare patients, 2024
- 164
- Part D claims, 2024
- 2,885
- Hospital affiliations
- 6
- Medical group
- 1
- 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
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Dr. Daniel Scott Simpson is an internist in Boston, Massachusetts
Dr. Simpson practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Simpson's NPI, 1043277643, was assigned on April 27, 2006. Dr. Simpson graduated from New York University School of Medicine in 1984. Dr. Simpson holds Massachusetts license 57155.
- NPI
- 1043277643NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496842999
- NPI enumeration date
- April 27, 2006
- 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
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Scott Simpson practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Simpson'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. Daniel Scott Simpson is affiliated with 10 sites of care and 1 medical group
Dr. Simpson's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Simpson is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Simpson to 4 more hospitals, 1 group practice or clinic, 1 home health agency, 1 hospice and 1 hospital outpatient department, 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. Daniel Scott Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simpson practices, 10 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 |
| +9 more affiliated sites | 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. Daniel Scott Simpson is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Simpson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Simpson is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Simpson
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. Daniel Scott Simpson billed Medicare for 498 services in 2024
CMS data shows 498 Medicare services from Dr. Simpson across 11 procedure codes in 2024, for 164 Medicare patients. Medicare paid $38,851 for them. Every service was in an office.
Dr. Simpson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2282024: 2499%
- Other services
- 2023: 852024: 211148%
- Tests and treatments
- 2023: 412024: 387%
Dr. Simpson compared with the Massachusetts median for internists, 2024
- Dr. Simpson
- Massachusetts median
- Medicare services
- 498vs 43116% above
- Medicare patients
- 164vs 19415% below
- Part D claims
- 2,226vs 4025.5 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Simpson'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel Scott Simpson treated 164 Medicare patients in 2024, average age 73
CMS counts 164 Medicare patients who saw Dr. Simpson in 2024. The largest group is 75 to 84, with 65 patients. 66% of them have high blood pressure, and 65% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Simpson's median patient age at 69, with 45% women.
Dr. Simpson's Medicare patients by age, 2024
Dr. Simpson's Medicare patients by sex, 2024
- Women7244%
- Men9256%
Chronic conditions among Dr. Simpson's Medicare patients, 2024
- High blood pressure66%
- High cholesterol65%
- Arthritis40%
- Anxiety29%
- Mood disorders29%
- Chronic kidney disease26%
- Diabetes23%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simpson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel Scott Simpson wrote 2,885 Medicare Part D claims in 2024
In 2024, Dr. Simpson wrote 2,885 Medicare Part D claims for 291 patients. 86% of them were for generic drugs. CMS names the drug for 2,226 of them, across 67 drugs with 11 or more claims each, at $214,647 in total drug cost. In 2023, CMS named 1,986 claims across 59 drugs.
Dr. Simpson's Part D claims by kind of drug, 2024
- Generic2,489 claims86%
- Brand-name373 claims13%
- Other23 claims1%
Dr. Simpson'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. Simpson's Part D claims, 2024
- Opioids4%126 of 2,885 claims
- Antibiotics1%36 of 2,885 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: 1,9862024: 2,22612%
Drugs named by CMS: 67 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
Dr. Daniel Scott Simpson offers telehealth to Medicare patients
Dr. Simpson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Simpson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (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. Daniel Scott Simpson graduated from New York University School of Medicine
Dr. Simpson graduated from New York University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel Scott Simpson'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) |
| 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. Daniel Scott Simpson
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. Daniel Scott Simpson's NPI number?
Dr. Daniel Scott Simpson's NPI number is 1043277643. It was assigned on April 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Scott Simpson?
Dr. Daniel Scott Simpson is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Daniel Scott Simpson practice?
Dr. Simpson practices at 75 Francis Street, Boston, MA 02115. Dr. Simpson's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Simpson to 4 hospitals, 1 group practice or clinic, 1 home health agency, 1 hospice and 1 hospital outpatient department.
What is Dr. Daniel Scott Simpson's office phone number?
The practice phone on file for Dr. Simpson is (617) 732-5500.
What is Dr. Daniel Scott Simpson's medical license number?
Dr. Simpson holds Massachusetts license 57155.
Which hospitals is Dr. Daniel Scott Simpson affiliated with?
Dr. Simpson practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Simpson is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Simpson to 4 more hospitals.
What medical group is Dr. Daniel Scott Simpson part of?
Dr. Simpson is linked to Brigham and Women's Hospital.
Does Dr. Daniel Scott Simpson accept Medicare?
Yes. CMS data shows Dr. Simpson billed Medicare for 498 services in 2024, and Dr. Simpson accepts Medicare assignment.
Does Dr. Daniel Scott Simpson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Simpson as offering telehealth services.
How many Medicare patients does Dr. Daniel Scott Simpson see?
CMS counts 164 Medicare patients who saw Dr. Simpson in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Daniel Scott Simpson bill to Medicare?
In 2024, Dr. Simpson's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Daniel Scott Simpson go to medical school?
Dr. Simpson graduated from New York University School of Medicine in 1984.
What drugs does Dr. Daniel Scott Simpson prescribe most?
In 2024 Medicare Part D data, Dr. Simpson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Daniel Scott Simpson been practicing?
Dr. Simpson graduated from medical school in 1984, 42 years ago.
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