Dr. Robert Michael Najarian, MD
- Medicare services, 2024
- 5,877
- Medicare patients, 2024
- 1,749
- Hospital affiliations
- 3
- Industry payments
- $22,721
- Medical groups
- 8
- Practice address
- 475 Franklin St, Framingham, MA 01702
- Practice phone
- Call (508) 620-9200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greater Boston Gastroenterology
Framingham, Massachusetts
Find Dr. Najarian'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. Robert Michael Najarian is a pathologist in Framingham, Massachusetts
Dr. Najarian practices at Greater Boston Gastroenterology in Framingham, Massachusetts.
Dr. Najarian's NPI, 1033367966, was assigned on September 4, 2008. Dr. Najarian graduated from Boston University School of Medicine in 2005. Dr. Najarian holds Massachusetts license 240263.
- NPI
- 1033367966NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820121981
- NPI enumeration date
- September 4, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 620-9200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Michael Najarian practices at Greater Boston Gastroenterology in Framingham, Massachusetts
Dr. Najarian's primary practice is Greater Boston Gastroenterology, at 475 Franklin St, Framingham, MA 01702 in Middlesex County. The practice phone is (508) 620-9200.
- Greater Boston Gastroenterology475 Franklin St, Framingham, MA 01702 · Middlesex CountyPhone(508) 620-9200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Michael Najarian is affiliated with 4 sites of care and 8 medical groups
Dr. Najarian's primary practice is Greater Boston Gastroenterology in Framingham, Massachusetts. Dr. Najarian is also affiliated with Framingham Union Hospital. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Najarian to 2 more hospitals and 7 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. Robert Michael Najarian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Najarian practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greater Boston Gastroenterology | Available with a free account |
| +3 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Michael Najarian is one of 174 pathologists in Massachusetts
Anatomic pathology is Dr. Najarian's primary specialty in the NPI Registry, under taxonomy code 207ZP0101X. Dr. Najarian is licensed in Massachusetts.
Specialties and state licenses
- Anatomic pathology, MassachusettsPrimary
Pathologists near Dr. Najarian
Counts of pathologists 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. Robert Michael Najarian billed Medicare for 5,877 services in 2024
CMS data shows 5,877 Medicare services from Dr. Najarian across 5 procedure codes in 2024, for 1,749 Medicare patients. Medicare paid $295,960 for them. Every service was in an office.
Dr. Najarian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 8,9392024: 5,87734%
Dr. Najarian compared with the Massachusetts median for pathologists, 2024
- Dr. Najarian
- Massachusetts median
- Medicare services
- 5,877vs 1,0195.8 times
- Medicare patients
- 1,749vs 4533.9 times
Medians across 169 pathologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Najarian'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. Najarian and other pathologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Michael Najarian treated 1,749 Medicare patients in 2024, average age 73
CMS counts 1,749 Medicare patients who saw Dr. Najarian in 2024. The largest group is 65 to 74, with 995 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Najarian's median patient age at 57, with 51% women.
Dr. Najarian's Medicare patients by age, 2024
Dr. Najarian's Medicare patients by sex, 2024
- Women94854%
- Men80146%
Chronic conditions among Dr. Najarian's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis44%
- Anxiety28%
- Diabetes23%
- Mood disorders22%
- Depression20%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Najarian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Robert Michael Najarian takes part in Medicare
Dr. Najarian 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. Robert Michael Najarian received $22,721 in industry payments from 2016 to 2025
CMS Open Payments shows 46 general payments to Dr. Najarian from 13 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 43% of the total. Covidien LP paid the most, $14,058. It also lists 2 research payments totaling $1,298 in 2016.
General payments to Dr. Najarian by program year, 2016 to 2025
General payments to Dr. Najarian by kind, 2016 to 2025
- Consulting fees$9,88343%
- Speaker and faculty fees$8,32137%
- Food and beverage$1,5797%
- Honoraria$1,5757%
- Travel and lodging$1,3626%
Companies that paid Dr. Najarian 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. Robert Michael Najarian graduated from Boston University School of Medicine
Dr. Najarian graduated from Boston University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Michael Najarian'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) |
| 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. Robert Michael Najarian
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. Robert Michael Najarian's NPI number?
Dr. Robert Michael Najarian's NPI number is 1033367966. It was assigned on September 4, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Michael Najarian?
Dr. Robert Michael Najarian is a pathologist in Framingham, Massachusetts. The primary specialty in the NPI Registry is Anatomic Pathology Physician (taxonomy code 207ZP0101X).
Where does Dr. Robert Michael Najarian practice?
Dr. Najarian practices at 475 Franklin St, Framingham, MA 01702. Dr. Najarian's primary practice is Greater Boston Gastroenterology in Framingham, Massachusetts. Dmand AI also links Dr. Najarian to 2 hospitals and 7 medical groups.
What is Dr. Robert Michael Najarian's office phone number?
The practice phone on file for Dr. Najarian is (508) 620-9200.
What is Dr. Robert Michael Najarian's medical license number?
Dr. Najarian holds Massachusetts license 240263.
Which hospitals is Dr. Robert Michael Najarian affiliated with?
Dr. Najarian is affiliated with Framingham Union Hospital. Dmand AI links Dr. Najarian to 2 more hospitals.
What medical group is Dr. Robert Michael Najarian part of?
Dr. Najarian is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Najarian to 7 more medical groups.
Does Dr. Robert Michael Najarian accept Medicare?
Yes. CMS data shows Dr. Najarian billed Medicare for 5,877 services in 2024, and Dr. Najarian accepts Medicare assignment.
How many Medicare patients does Dr. Robert Michael Najarian see?
CMS counts 1,749 Medicare patients who saw Dr. Najarian in 2024, with an average age of 73.
What services does Dr. Robert Michael Najarian bill to Medicare?
In 2024, Dr. Najarian's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88342) and lab and pathology test (88312).
Show 3 more questionsShow fewer questions
Where did Dr. Robert Michael Najarian go to medical school?
Dr. Najarian graduated from Boston University School of Medicine in 2005.
Has Dr. Robert Michael Najarian received payments from drug or device companies?
CMS Open Payments shows $22,721 in general payments to Dr. Najarian from 13 companies from 2016 to 2025. The largest total came from Covidien LP.
How long has Dr. Robert Michael Najarian been practicing?
Dr. Najarian graduated from medical school in 2005, 21 years ago.
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