Dr. Dan Nir, MD

  • Concord, MA
  • Diagnostic radiologist
NPI1285617910PAC ID2365427226
Medicare services, 2024
4,586
Medicare patients, 2024
2,726
Hospital affiliations
3
Industry payments
$10,109
Medical groups
3
Practice address
133 Old Road To 9 Acre Corner, West Concord, MA 01742
Practice phone
Call (978) 369-1400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Emerson Hospital

Hospital · West Concord, Massachusetts

See all 8 affiliations

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Dr. Dan Nir is a diagnostic radiologist in Concord, Massachusetts

Dr. Nir practices at Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System.

Dr. Nir's NPI, 1285617910, was assigned on November 28, 2005. Dr. Nir graduated from Hahnemann University College of Medicine in 1994. Dr. Nir holds Rhode Island license MD11451.

NPI and contact details
Medicare PAC ID
2365427226
NPI enumeration date
November 28, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(978) 369-1400
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Dan Nir practices at Emerson Hospital in West Concord, Massachusetts

Dr. Nir'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 Hospital
    133 Old Road To 9 Acre Corner, West Concord, MA 01742 · Middlesex CountyPhone(978) 369-1400

Source: Dmand AI Affiliation Data

Dr. Dan Nir is affiliated with 5 sites of care and 3 medical groups

Dr. Nir's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. Dr. Nir is also affiliated with Lahey Clinic. The medical group on file is North Bridge Imaging Group. Dmand AI also links Dr. Nir to 1 more hospital, 2 medical groups, 1 group practice or clinic and 1 therapy and rehab clinic, each named with a free account.

See all 8 affiliations for Dr. Nir

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Dan Nir's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nir practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Emerson HospitalAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Dan Nir is one of 1,246 diagnostic radiologists in Massachusetts

Diagnostic radiology is Dr. Nir's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Nir is licensed in Rhode Island.

Specialties and state licenses

  • Diagnostic radiology, Rhode IslandPrimaryLicense MD11451 · taxonomy 2085R0202X

Diagnostic radiologists near Dr. Nir

Counts of diagnostic radiologists 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. Dan Nir billed Medicare for 4,586 services in 2024

CMS data shows 4,586 Medicare services from Dr. Nir across 41 procedure codes in 2024, for 2,726 Medicare patients. Medicare paid $173,169 for them.

Medicare services, 20244,586
Medicare patients2,726
Paid by Medicare$173,169
Procedure codes41

Dr. Nir's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 4,0022024: 4,2907%
Tests and treatments
2023: 1032024: 15147%
Other services
2023: 1602024: 1459%

Where Dr. Nir's Medicare services took place, 2024

  • In an office84718%
  • In a facility3,73982%

Dr. Nir compared with the Massachusetts median for diagnostic radiologists, 2024

  • Dr. Nir
  • Massachusetts median
Medicare services
4,586vs 2,2422.0 times
Medicare patients
2,726vs 1,57174% above

Medians across 1,108 diagnostic radiologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Nir'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. Nir and other diagnostic radiologists in Massachusetts.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Dan Nir treated 2,726 Medicare patients in 2024, average age 75

CMS counts 2,726 Medicare patients who saw Dr. Nir in 2024. The largest group is 65 to 74, with 1,258 patients. 73% of them have high cholesterol, and 65% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Nir's median patient age at 58, with 75% women.

Medicare patients, 20242,726
Average age75
Average risk score1.11
Also on Medicaid12%

Dr. Nir's Medicare patients by age, 2024

Dr. Nir's Medicare patients by sex, 2024

  • Women2,14579%
  • Men58121%

Chronic conditions among Dr. Nir's Medicare patients, 2024

  1. High cholesterol73%
  2. High blood pressure65%
  3. Arthritis49%
  4. Anxiety29%
  5. Mood disorders29%
  6. Depression25%
  7. Chronic kidney disease23%
  8. Ischemic heart disease23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Nir's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women75%
  • Men24%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Dr. Dan Nir takes part in Medicare

Dr. Nir 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. Dan Nir received $10,109 in industry payments from 2016 to 2017

CMS Open Payments shows 2 general payments to Dr. Nir from 1 drug or device company from 2016 to 2017. Grants make up the largest share, 100% of the total. Hologic Inc paid the most, $10,109.

General payments to Dr. Nir by program year, 2016 to 2017

Companies that paid Dr. Nir the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Nir

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Dan Nir graduated from Hahnemann University College of Medicine

Dr. Nir graduated from Hahnemann University College of Medicine in 1994.

  1. Medical schoolHahnemann University College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Dan Nir's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Dan Nir

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. Dan Nir's NPI number?

Dr. Dan Nir's NPI number is 1285617910. It was assigned on November 28, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Dan Nir?

Dr. Dan Nir is a diagnostic radiologist in Concord, Massachusetts. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Dan Nir practice?

Dr. Nir practices at 133 Old Road To 9 Acre Corner, West Concord, MA 01742. Dr. Nir's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. Dmand AI also links Dr. Nir to 1 hospital, 2 medical groups, 1 group practice or clinic and 1 therapy and rehab clinic.

What is Dr. Dan Nir's office phone number?

The practice phone on file for Dr. Nir is (978) 369-1400.

What is Dr. Dan Nir's medical license number?

Dr. Nir holds Rhode Island license MD11451.

Which hospitals is Dr. Dan Nir affiliated with?

Dr. Nir practices at Emerson Hospital in West Concord, Massachusetts. Dr. Nir is also affiliated with Lahey Clinic. Dmand AI links Dr. Nir to 1 more hospital.

What medical group is Dr. Dan Nir part of?

Dr. Nir is linked to North Bridge Imaging Group. Dmand AI links Dr. Nir to 2 more medical groups.

Does Dr. Dan Nir accept Medicare?

Yes. CMS data shows Dr. Nir billed Medicare for 4,586 services in 2024, and Dr. Nir accepts Medicare assignment.

How many Medicare patients does Dr. Dan Nir see?

CMS counts 2,726 Medicare patients who saw Dr. Nir in 2024, with an average age of 75.

What services does Dr. Dan Nir bill to Medicare?

In 2024, Dr. Nir's most billed Medicare services were radiation oncology (77067), radiation oncology (77063) and diagnostic imaging (71046).

Show 3 more questionsShow fewer questions

Where did Dr. Dan Nir go to medical school?

Dr. Nir graduated from Hahnemann University College of Medicine in 1994.

Has Dr. Dan Nir received payments from drug or device companies?

CMS Open Payments shows $10,109 in general payments to Dr. Nir from 1 company from 2016 to 2017. The largest total came from Hologic Inc.

How long has Dr. Dan Nir been practicing?

Dr. Nir graduated from medical school in 1994, 32 years ago.

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