Dr. Barbara A. Masser, MD
- Medicare services, 2024
- 405
- Medicare patients, 2024
- 272
- Part D claims, 2024
- 241
- Publications
- 2
- Hospital affiliations
- 3
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Masser'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. Barbara A. Masser is an emergency medicine physician in Boston, Massachusetts
Dr. Masser practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Masser's NPI, 1205873916, was assigned on June 1, 2006. Dr. Masser holds Massachusetts license 160235.
- NPI
- 1205873916NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749290518
- NPI enumeration date
- June 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Barbara A. Masser practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Masser's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Barbara A. Masser is affiliated with 3 sites of care and 6 medical groups
Dr. Masser's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dr. Masser is also affiliated with Mount Auburn Hospital. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Masser to 1 more hospital and 5 medical groups, 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. Barbara A. Masser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Masser practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +2 more sites and 5 medical groups | 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 Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Barbara A. Masser is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Masser's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Masser is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Masser
Counts of emergency medicine physicians 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. Barbara A. Masser billed Medicare for 405 services in 2024
CMS data shows 405 Medicare services from Dr. Masser across 12 procedure codes in 2024, for 272 Medicare patients. Medicare paid $25,346 for them. Every service was in an office.
Dr. Masser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1362024: 25789%
- Lab and pathology
- 2023: 872024: 799%
- Imaging
- 2023: 152024: 36140%
- Surgery
- 2023: 02024: 33
- Tests and treatments
- 2023: 112024: 0100%
Dr. Masser compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Masser
- Massachusetts median
- Medicare services
- 405vs 34119% above
- Medicare patients
- 272vs 33719% below
- Part D claims
- 159vs 364.4 times
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Masser'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. Masser?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Masser and other emergency medicine physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barbara A. Masser treated 272 Medicare patients in 2024, average age 76
CMS counts 272 Medicare patients who saw Dr. Masser in 2024. The largest group is 75 to 84, with 112 patients. 71% of them have high blood pressure, and 71% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Masser's median patient age at 62, with 65% women.
Dr. Masser's Medicare patients by age, 2024
Dr. Masser's Medicare patients by sex, 2024
- Women19170%
- Men8130%
Chronic conditions among Dr. Masser's Medicare patients, 2024
- High blood pressure71%
- High cholesterol71%
- Arthritis47%
- Mood disorders31%
- Anxiety30%
- Osteoporosis28%
- Depression26%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Masser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Barbara A. Masser wrote 241 Medicare Part D claims in 2024
In 2024, Dr. Masser wrote 241 Medicare Part D claims for 187 patients. 92% of them were for generic drugs. CMS names the drug for 159 of them, across 8 drugs with 11 or more claims each, at $1,658 in total drug cost. In 2023, CMS named 61 claims across 4 drugs.
Dr. Masser's Part D claims by kind of drug, 2024
- Generic221 claims92%
- Brand-name20 claims8%
Dr. Masser'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. Masser's Part D claims, 2024
- Antibiotics57%138 of 241 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: 612024: 159161%
Drugs named by CMS: 8 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
How Dr. Barbara A. Masser takes part in Medicare
Dr. Masser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Barbara A. Masser has 2 publications on record
Dmand AI links 2 papers to Dr. Masser, published from 2018 to 2025.
Recent publications by Dr. Masser
Intern Emerg Med
See who Dr. Masser researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Masser works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Barbara A. Masser'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Barbara A. Masser
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. Barbara A. Masser's NPI number?
Dr. Barbara A. Masser's NPI number is 1205873916. It was assigned on June 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Barbara A. Masser?
Dr. Barbara A. Masser is an emergency medicine physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Barbara A. Masser practice?
Dr. Masser practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Masser's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Masser to 1 hospital and 5 medical groups.
What is Dr. Barbara A. Masser's office phone number?
The practice phone on file for Dr. Masser is (617) 667-7000.
What is Dr. Barbara A. Masser's medical license number?
Dr. Masser holds Massachusetts license 160235.
Which hospitals is Dr. Barbara A. Masser affiliated with?
Dr. Masser practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Dr. Masser is also affiliated with Mount Auburn Hospital. Dmand AI links Dr. Masser to 1 more hospital.
What medical group is Dr. Barbara A. Masser part of?
Dr. Masser is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Masser to 5 more medical groups.
Does Dr. Barbara A. Masser accept Medicare?
Yes. CMS data shows Dr. Masser billed Medicare for 405 services in 2024, and Dr. Masser accepts Medicare assignment.
How many Medicare patients does Dr. Barbara A. Masser see?
CMS counts 272 Medicare patients who saw Dr. Masser in 2024, with an average age of 76.
What services does Dr. Barbara A. Masser bill to Medicare?
In 2024, Dr. Masser's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99203).
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What drugs does Dr. Barbara A. Masser prescribe most?
In 2024 Medicare Part D data, Dr. Masser's most prescribed drugs by claims were Doxycycline Hyclate, Cefpodoxime Proxetil and Amoxicillin.
How long has Dr. Barbara A. Masser been practicing?
Dr. Masser graduated from medical school in 1997, 29 years ago.
Does Dr. Barbara A. Masser do research?
Dmand AI links 2 publications to Dr. Masser, published from 2018 to 2025.
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