Dr. Larry Adam Nathanson, MD
- Medicare services, 2024
- 499
- Medicare patients, 2024
- 408
- Part D claims, 2024
- 58
- Hospital affiliations
- 4
- Industry payments
- $620
- 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. Nathanson'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. Larry Adam Nathanson is an emergency medicine physician in Boston, Massachusetts
Dr. Nathanson practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Nathanson's NPI, 1740220276, was assigned on June 6, 2006. Dr. Nathanson graduated from State University of NY Upstate Medical University in 1996. Dr. Nathanson holds Massachusetts license 158840.
- NPI
- 1740220276NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103904073
- NPI enumeration date
- June 6, 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
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Larry Adam Nathanson practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Nathanson'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. Larry Adam Nathanson is affiliated with 11 sites of care and 7 medical groups
Dr. Nathanson's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dr. Nathanson is also affiliated with Lahey Clinic. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Nathanson to 2 more hospitals, 7 group practices and clinics and 6 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. Larry Adam Nathanson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nathanson practices, 11 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 |
| +10 more sites and 6 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. Larry Adam Nathanson is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Nathanson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Nathanson is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Nathanson
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. Larry Adam Nathanson billed Medicare for 499 services in 2024
CMS data shows 499 Medicare services from Dr. Nathanson across 6 procedure codes in 2024, for 408 Medicare patients. Medicare paid $51,215 for them.
Dr. Nathanson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4282024: 36714%
- Tests and treatments
- 2023: 1592024: 13217%
Where Dr. Nathanson's Medicare services took place, 2024
- In an office173%
- In a facility48297%
Dr. Nathanson compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Nathanson
- Massachusetts median
- Medicare services
- 499vs 34146% above
- Medicare patients
- 408vs 33721% above
- Part D claims
- 11vs 3669% below
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Nathanson'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. Nathanson 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. Larry Adam Nathanson treated 408 Medicare patients in 2024, average age 76
CMS counts 408 Medicare patients who saw Dr. Nathanson in 2024. The largest group is 75 to 84, with 140 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nathanson's median patient age at 68, with 58% women.
Dr. Nathanson's Medicare patients by age, 2024
Dr. Nathanson's Medicare patients by sex, 2024
- Women23558%
- Men17342%
Chronic conditions among Dr. Nathanson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Anxiety46%
- Mood disorders45%
- Depression41%
- Ischemic heart disease39%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nathanson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Larry Adam Nathanson wrote 58 Medicare Part D claims in 2024
In 2024, Dr. Nathanson wrote 58 Medicare Part D claims for 50 patients. 93% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $794 in total drug cost.
Dr. Nathanson's Part D claims by kind of drug, 2024
- Generic54 claims93%
- Brand-name and other4 claims7%
Dr. Nathanson's most prescribed drugs by claims, 2022
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. Nathanson's Part D claims, 2024
- Antibiotics50%29 of 58 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Larry Adam Nathanson takes part in Medicare
Dr. Nathanson 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. Larry Adam Nathanson received $620 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Nathanson from 1 drug or device company in 2018. Education speaker fees make up the largest share, 100% of the total. Baxter Healthcare paid the most, $620.
Companies that paid Dr. Nathanson the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Larry Adam Nathanson graduated from State University of NY Upstate Medical University
Dr. Nathanson graduated from State University of NY Upstate Medical University in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Larry Adam Nathanson'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) |
| 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. Larry Adam Nathanson
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. Larry Adam Nathanson's NPI number?
Dr. Larry Adam Nathanson's NPI number is 1740220276. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Larry Adam Nathanson?
Dr. Larry Adam Nathanson 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. Larry Adam Nathanson practice?
Dr. Nathanson practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Nathanson's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Nathanson to 2 hospitals, 7 group practices and clinics and 6 medical groups.
What is Dr. Larry Adam Nathanson's office phone number?
The practice phone on file for Dr. Nathanson is (617) 667-7000.
What is Dr. Larry Adam Nathanson's medical license number?
Dr. Nathanson holds Massachusetts license 158840.
Which hospitals is Dr. Larry Adam Nathanson affiliated with?
Dr. Nathanson practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Dr. Nathanson is also affiliated with Lahey Clinic. Dmand AI links Dr. Nathanson to 2 more hospitals.
What medical group is Dr. Larry Adam Nathanson part of?
Dr. Nathanson is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Nathanson to 6 more medical groups.
Does Dr. Larry Adam Nathanson accept Medicare?
Yes. CMS data shows Dr. Nathanson billed Medicare for 499 services in 2024, and Dr. Nathanson accepts Medicare assignment.
How many Medicare patients does Dr. Larry Adam Nathanson see?
CMS counts 408 Medicare patients who saw Dr. Nathanson in 2024, with an average age of 76.
What services does Dr. Larry Adam Nathanson bill to Medicare?
In 2024, Dr. Nathanson's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. Larry Adam Nathanson go to medical school?
Dr. Nathanson graduated from State University of NY Upstate Medical University in 1996.
What drugs does Dr. Larry Adam Nathanson prescribe most?
In 2022 Medicare Part D data, Dr. Nathanson's most prescribed drugs by claims were Cefpodoxime Proxetil.
Has Dr. Larry Adam Nathanson received payments from drug or device companies?
CMS Open Payments shows $620 in general payments to Dr. Nathanson from 1 company from 2018 to 2018. The largest total came from Baxter Healthcare.
How long has Dr. Larry Adam Nathanson been practicing?
Dr. Nathanson graduated from medical school in 1996, 30 years ago.
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