Dr. Benjamin Daniel Unger, MD
- Medicare services, 2024
- 79
- Medicare patients, 2024
- 172
- Hospital affiliations
- 1
- Industry payments
- $532
- Medical groups
- 2
- Practice address
- 133 Old Road To 9 Acre Corner, West Concord, MA 01742
- Practice phone
- Call (978) 369-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Unger's professional email, personal email and mobile number
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Dr. Benjamin Daniel Unger is an anesthesiologist in Concord, Massachusetts
Dr. Unger practices at Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System.
Dr. Unger's NPI, 1952361180, was assigned on March 23, 2006. Dr. Unger graduated from Washington University School of Medicine in 2002. Dr. Unger holds New York license 239359.
- NPI
- 1952361180NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951309731
- NPI enumeration date
- March 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 369-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Daniel Unger practices at Emerson Hospital in West Concord, Massachusetts
Dr. Unger's primary practice is Emerson Hospital, at 133 Old Road To 9 Acre Corner, West Concord, MA 01742 in Middlesex County. The practice phone is (978) 369-1400.
- Emerson Hospital133 Old Road To 9 Acre Corner, West Concord, MA 01742 · Middlesex CountyPhone(978) 369-1400
Source: Dmand AI Affiliation Data
Dr. Benjamin Daniel Unger is affiliated with 2 sites of care and 2 medical groups
Dr. Unger's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. The medical group on file is Emerson Health. Dmand AI also links Dr. Unger to 1 more therapy and rehab clinic 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. Benjamin Daniel Unger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Unger practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emerson Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Emerson Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Benjamin Daniel Unger is one of 1,552 anesthesiologists in Massachusetts
Anesthesiology is Dr. Unger's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Unger is licensed in New York.
Specialties and state licenses
- Anesthesiology, New YorkPrimary
Anesthesiologists near Dr. Unger
Counts of anesthesiologists 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. Benjamin Daniel Unger billed Medicare for 79 services in 2024
CMS data shows 79 Medicare services from Dr. Unger across 3 procedure codes in 2024, for 172 Medicare patients. Medicare paid $7,446 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Unger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1092024: 7928%
Dr. Unger compared with the Massachusetts median for anesthesiologists, 2024
- Dr. Unger
- Massachusetts median
- Medicare services
- 79vs 12637% below
- Medicare patients
- 172vs 20014% below
Medians across 1,366 anesthesiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Unger'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. Unger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Unger and other anesthesiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Benjamin Daniel Unger treated 172 Medicare patients in 2024, average age 75
CMS counts 172 Medicare patients who saw Dr. Unger in 2024. The largest group is 75 to 84, with 70 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Unger's median patient age at 47, with 60% women.
Dr. Unger's Medicare patients by age, 2024
Dr. Unger's Medicare patients by sex, 2024
- Women9656%
- Men7644%
Chronic conditions among Dr. Unger's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis49%
- Ischemic heart disease31%
- Mood disorders28%
- Anxiety26%
- Cancer26%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Unger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Benjamin Daniel Unger takes part in Medicare
Dr. Unger 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)
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Dr. Benjamin Daniel Unger received $532 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Unger from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $169.
General payments to Dr. Unger by program year, 2016 to 2025
Companies that paid Dr. Unger the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Benjamin Daniel Unger graduated from Washington University School of Medicine
Dr. Unger graduated from Washington University School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Benjamin Daniel Unger'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Benjamin Daniel Unger
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. Benjamin Daniel Unger's NPI number?
Dr. Benjamin Daniel Unger's NPI number is 1952361180. It was assigned on March 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Daniel Unger?
Dr. Benjamin Daniel Unger is an anesthesiologist in Concord, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Benjamin Daniel Unger practice?
Dr. Unger practices at 133 Old Road To 9 Acre Corner, West Concord, MA 01742. Dr. Unger's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. Dmand AI also links Dr. Unger to 1 therapy and rehab clinic and 1 medical group.
What is Dr. Benjamin Daniel Unger's office phone number?
The practice phone on file for Dr. Unger is (978) 369-1400.
What is Dr. Benjamin Daniel Unger's medical license number?
Dr. Unger holds New York license 239359.
Which hospitals is Dr. Benjamin Daniel Unger affiliated with?
Dr. Unger practices at Emerson Hospital in West Concord, Massachusetts.
What medical group is Dr. Benjamin Daniel Unger part of?
Dr. Unger is linked to Emerson Health. Dmand AI links Dr. Unger to 1 more medical group.
Does Dr. Benjamin Daniel Unger accept Medicare?
Yes. CMS data shows Dr. Unger billed Medicare for 79 services in 2024, and Dr. Unger accepts Medicare assignment.
How many Medicare patients does Dr. Benjamin Daniel Unger see?
CMS counts 172 Medicare patients who saw Dr. Unger in 2024, with an average age of 75.
What services does Dr. Benjamin Daniel Unger bill to Medicare?
In 2024, Dr. Unger's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00813).
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Where did Dr. Benjamin Daniel Unger go to medical school?
Dr. Unger graduated from Washington University School of Medicine in 2002.
Has Dr. Benjamin Daniel Unger received payments from drug or device companies?
CMS Open Payments shows $532 in general payments to Dr. Unger from 9 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Benjamin Daniel Unger been practicing?
Dr. Unger graduated from medical school in 2002, 24 years ago.
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