Dr. Sarah M. Bagley, MD
- Medicare services, 2019
- 27
- Part D claims, 2020
- 11
- Hospital affiliations
- 1
- Industry payments
- $877
- Medical groups
- 2
- Practice address
- 1 Boston Medical Center Place, Boston, MA 02118
- Practice phone
- Call (617) 638-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bagley'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. Sarah M. Bagley is an internist in Boston, Massachusetts
Dr. Bagley practices at Boston Medical Center in Boston, Massachusetts, part of Boston Medical Center Health System.
Dr. Bagley's NPI, 1659533180, was assigned on June 26, 2008. Dr. Bagley graduated from Georgetown University School of Medicine in 2008. Dr. Bagley holds Massachusetts license 251378.
- NPI
- 1659533180NPI Registry (opens in a new tab)
- NPI enumeration date
- June 26, 2008
- NPI status
- Active
- Practice phone
- (617) 638-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sarah M. Bagley practices at Boston Medical Center in Boston, Massachusetts
Dr. Bagley's primary practice is Boston Medical Center, at 1 Boston Medical Center Place, Boston, MA 02118 in Suffolk County. The practice phone is (617) 638-8000.
- Boston Medical Center1 Boston Medical Center Place, Boston, MA 02118 · Suffolk CountyPhone(617) 638-8000
Source: Dmand AI Affiliation Data
Dr. Sarah M. Bagley is affiliated with 3 sites of care and 2 medical groups
Dr. Bagley's primary practice is Boston Medical Center in Boston, Massachusetts, part of Boston Medical Center Health System. The medical group on file is Boston University Medical Group (Boston University Internal Medicine Associates). Dmand AI also links Dr. Bagley to 2 more group practices and clinics 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. Sarah M. Bagley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bagley practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Medical Center | Available with a free account |
| +2 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 Boston Medical Center Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sarah M. Bagley is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Bagley's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bagley is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Bagley
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. Sarah M. Bagley billed Medicare for 27 services in 2019
CMS data shows 27 Medicare services from Dr. Bagley across 1 procedure code in 2019, all of them office visits. Medicare paid $1,541 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bagley's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 222019: 2723%
Dr. Bagley compared with the Massachusetts median for internists, 2019
- Dr. Bagley
- Massachusetts median
- Medicare services
- 27vs 43194% below
- Part D claims
- 11vs 40297% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Bagley's most billed Medicare procedure codes, 2019
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. Bagley?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bagley and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sarah M. Bagley's patients have a median age of 24
Across all payers, Dmand AI patient panel data puts Dr. Bagley's median patient age at 24, with 64% women.
Dr. Bagley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 24
Patient panel by sex, all payers
- Women64%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Sarah M. Bagley wrote 11 Medicare Part D claims in 2020
In 2020, Dr. Bagley wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $29 in total drug cost. In 2019, CMS named 111 claims across 6 drugs.
Dr. Bagley's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1112020: 1190%
Drugs named by CMS: 1 in 2020, 6 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
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Dr. Sarah M. Bagley received $877 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Bagley from 4 drug and device companies from 2024 to 2025. Consulting fees make up the largest share, 85% of the total. Merck Sharp & Dohme Corporation paid the most, $750.
General payments to Dr. Bagley by program year, 2024 to 2025
General payments to Dr. Bagley by kind, 2024 to 2025
- Consulting fees$75085%
- Food and beverage$12715%
Companies that paid Dr. Bagley the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sarah M. Bagley graduated from Georgetown University School of Medicine
Dr. Bagley graduated from Georgetown University School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sarah M. Bagley'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Sarah M. Bagley
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. Sarah M. Bagley's NPI number?
Dr. Sarah M. Bagley's NPI number is 1659533180. It was assigned on June 26, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Sarah M. Bagley?
Dr. Sarah M. Bagley is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sarah M. Bagley practice?
Dr. Bagley practices at 1 Boston Medical Center Place, Boston, MA 02118. Dr. Bagley's primary practice is Boston Medical Center in Boston, Massachusetts, part of Boston Medical Center Health System. Dmand AI also links Dr. Bagley to 2 group practices and clinics and 1 medical group.
What is Dr. Sarah M. Bagley's office phone number?
The practice phone on file for Dr. Bagley is (617) 638-8000.
What is Dr. Sarah M. Bagley's medical license number?
Dr. Bagley holds Massachusetts license 251378.
Which hospitals is Dr. Sarah M. Bagley affiliated with?
Dr. Bagley practices at Boston Medical Center in Boston, Massachusetts.
What medical group is Dr. Sarah M. Bagley part of?
Dr. Bagley is linked to Boston University Medical Group (Boston University Internal Medicine Associates). Dmand AI links Dr. Bagley to 1 more medical group.
Does Dr. Sarah M. Bagley accept Medicare?
Yes. CMS data shows Dr. Bagley billed Medicare for 27 services in 2019.
What services does Dr. Sarah M. Bagley bill to Medicare?
In 2019, Dr. Bagley's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Sarah M. Bagley go to medical school?
Dr. Bagley graduated from Georgetown University School of Medicine in 2008.
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What drugs does Dr. Sarah M. Bagley prescribe most?
In 2020 Medicare Part D data, Dr. Bagley's most prescribed drugs by claims were Lisinopril.
Has Dr. Sarah M. Bagley received payments from drug or device companies?
CMS Open Payments shows $877 in general payments to Dr. Bagley from 4 companies from 2024 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Sarah M. Bagley been practicing?
Dr. Bagley graduated from medical school in 2008, 18 years ago.
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