Dr. Jacob Aaron, MD
- Medicare services, 2024
- 277
- Medicare patients, 2024
- 200
- Part D claims, 2024
- 85
- Hospital affiliations
- 1
- Industry payments
- $109
- Practice address
- 81 Highland Ave, Salem, MA 01970
- Practice phone
- Call (978) 354-2065
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MGB Salem Hospital
Salem, Massachusetts
Find Dr. Aaron'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. Jacob Aaron is an internist in Salem, Massachusetts
Dr. Aaron practices at MGB Salem Hospital in Salem, Massachusetts.
Dr. Aaron's NPI, 1407202518, was assigned on May 6, 2016. Dr. Aaron holds Massachusetts license 1013897.
- NPI
- 1407202518NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800165325
- NPI enumeration date
- May 6, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 354-2065
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jacob Aaron practices at MGB Salem Hospital in Salem, Massachusetts
Dr. Aaron's primary practice is MGB Salem Hospital, at 81 Highland Ave, Salem, MA 01970 in Essex County. The practice phone is (978) 354-2065.
- MGB Salem Hospital81 Highland Ave, Salem, MA 01970 · Essex CountyPhone(978) 354-2065
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jacob Aaron is affiliated with 2 sites of care and 4 medical groups
Dr. Aaron's primary practice is MGB Salem Hospital in Salem, Massachusetts. Dr. Aaron is also affiliated with Salem Hospital. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Aaron to 3 more medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jacob Aaron's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aaron practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MGB Salem Hospital | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jacob Aaron is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Aaron's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Aaron's licenses on file in 3 states: Massachusetts, California and Ohio.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
- California license
- Ohio license
Internists near Dr. Aaron
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. Jacob Aaron billed Medicare for 277 services in 2024
CMS data shows 277 Medicare services from Dr. Aaron across 7 procedure codes in 2024, for 200 Medicare patients. Medicare paid $24,734 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Aaron's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 192024: 2771358%
Dr. Aaron compared with the Massachusetts median for internists, 2024
- Dr. Aaron
- Massachusetts median
- Medicare services
- 277vs 43136% below
- Medicare patients
- 200vs 194Close to median
- Part D claims
- 12vs 40297% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Aaron'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. Jacob Aaron treated 200 Medicare patients in 2024, average age 78
CMS counts 200 Medicare patients who saw Dr. Aaron in 2024. The largest group is 75 to 84, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.52, 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. Aaron's median patient age at 81, with 52% women.
Dr. Aaron's Medicare patients by age, 2024
Dr. Aaron's Medicare patients by sex, 2024
- Women10352%
- Men9749%
Chronic conditions among Dr. Aaron's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Chronic kidney disease60%
- Ischemic heart disease55%
- Anxiety52%
- Heart failure51%
- Mood disorders51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Aaron's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jacob Aaron wrote 85 Medicare Part D claims in 2024
In 2024, Dr. Aaron wrote 85 Medicare Part D claims for 44 patients. 88% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $104 in total drug cost. In 2018, CMS named 40 claims across 2 drugs.
Dr. Aaron's Part D claims by kind of drug, 2024
- Generic75 claims88%
- Brand-name and other10 claims12%
Dr. Aaron's most prescribed drugs by claims, 2019
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. Aaron's Part D claims, 2024
- Antibiotics34%29 of 85 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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 402019: 1270%
Drugs named by CMS: 1 in 2019, 2 in 2018.
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. Jacob Aaron takes part in Medicare
Dr. Aaron 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. Jacob Aaron received $109 in industry payments in 2018
CMS Open Payments shows 2 general payments to Dr. Aaron from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $109.
Companies that paid Dr. Aaron the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jacob Aaron'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Jacob Aaron
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. Jacob Aaron's NPI number?
Dr. Jacob Aaron's NPI number is 1407202518. It was assigned on May 6, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Jacob Aaron?
Dr. Jacob Aaron is an internist in Salem, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jacob Aaron practice?
Dr. Aaron practices at 81 Highland Ave, Salem, MA 01970. Dr. Aaron's primary practice is MGB Salem Hospital in Salem, Massachusetts. Dmand AI also links Dr. Aaron to 3 medical groups.
What is Dr. Jacob Aaron's office phone number?
The practice phone on file for Dr. Aaron is (978) 354-2065.
What is Dr. Jacob Aaron's medical license number?
Dr. Aaron holds Massachusetts license 1013897, one of the licenses on file in 3 states.
Which states has Dr. Jacob Aaron been licensed in?
Dmand AI has state licenses on file for Dr. Aaron in Massachusetts, California and Ohio.
Which hospitals is Dr. Jacob Aaron affiliated with?
Dr. Aaron is affiliated with Salem Hospital.
What medical group is Dr. Jacob Aaron part of?
Dr. Aaron is linked to Lahey Clinic. Dmand AI links Dr. Aaron to 3 more medical groups.
Does Dr. Jacob Aaron accept Medicare?
Yes. CMS data shows Dr. Aaron billed Medicare for 277 services in 2024, and Dr. Aaron accepts Medicare assignment.
How many Medicare patients does Dr. Jacob Aaron see?
CMS counts 200 Medicare patients who saw Dr. Aaron in 2024, with an average age of 78.
Show 4 more questionsShow fewer questions
What services does Dr. Jacob Aaron bill to Medicare?
In 2024, Dr. Aaron's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99222).
What drugs does Dr. Jacob Aaron prescribe most?
In 2019 Medicare Part D data, Dr. Aaron's most prescribed drugs by claims were Tamsulosin HCl.
Has Dr. Jacob Aaron received payments from drug or device companies?
CMS Open Payments shows $109 in general payments to Dr. Aaron from 1 company from 2018 to 2018. The largest total came from Abbvie Inc.
How long has Dr. Jacob Aaron been practicing?
Dr. Aaron graduated from medical school in 2016, 10 years ago.
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