Dr. Muhammad Janisar, MD
- Medicare services, 2024
- 526
- Medicare patients, 2024
- 412
- Part D claims, 2024
- 44
- Hospital affiliations
- 5
- Industry payments
- $97
- Practice address
- 330 Mount Auburn Street, Cambridge, MA 02138
- Practice phone
- Call (617) 492-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Janisar's professional email, personal email and mobile number
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Dr. Muhammad Janisar is an internist in Cambridge, Massachusetts
Dr. Janisar practices at Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health.
Dr. Janisar's NPI, 1972883197, was assigned on August 18, 2011. Dr. Janisar holds Massachusetts license 257858.
- NPI
- 1972883197NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103041827
- NPI enumeration date
- August 18, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 492-3500
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Muhammad Janisar practices at Mount Auburn Hospital in Cambridge, Massachusetts
Dr. Janisar's primary practice is Mount Auburn Hospital, at 330 Mount Auburn Street, Cambridge, MA 02138 in Middlesex County. The practice phone is (617) 492-3500.
- Mount Auburn Hospital330 Mount Auburn Street, Cambridge, MA 02138 · Middlesex CountyPhone(617) 492-3500
Source: Dmand AI Affiliation Data
Dr. Muhammad Janisar is affiliated with 6 sites of care and 6 medical groups
Dr. Janisar's primary practice is Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health. Dr. Janisar 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. Janisar to 3 more hospitals, 5 medical groups and 1 group practice or clinic, 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. Muhammad Janisar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janisar practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Auburn Hospital | Available with a free account |
| +5 more sites and 5 medical groups | 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 Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Muhammad Janisar is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Janisar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Janisar is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Janisar
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. Muhammad Janisar billed Medicare for 526 services in 2024
CMS data shows 526 Medicare services from Dr. Janisar across 6 procedure codes in 2024, for 412 Medicare patients. Medicare paid $55,131 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Janisar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4352024: 52621%
Dr. Janisar compared with the Massachusetts median for internists, 2024
- Dr. Janisar
- Massachusetts median
- Medicare services
- 526vs 43122% above
- Medicare patients
- 412vs 1942.1 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Janisar'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. Muhammad Janisar treated 412 Medicare patients in 2024, average age 79
CMS counts 412 Medicare patients who saw Dr. Janisar in 2024. The largest group is 75 to 84, with 170 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.22, 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. Janisar's median patient age at 76, with 52% women.
Dr. Janisar's Medicare patients by age, 2024
Dr. Janisar's Medicare patients by sex, 2024
- Women22454%
- Men18846%
Chronic conditions among Dr. Janisar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Mood disorders52%
- Anxiety50%
- Ischemic heart disease50%
- Heart failure49%
- Chronic kidney disease48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Janisar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
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. Muhammad Janisar wrote 44 Medicare Part D claims in 2024
In 2024, Dr. Janisar wrote 44 Medicare Part D claims for 22 patients. 91% of them were for generic drugs.
Dr. Janisar's Part D claims by kind of drug, 2024
- Generic40 claims91%
- Brand-name and other4 claims9%
Drug classes CMS tracks in Dr. Janisar's Part D claims, 2024
- Antibiotics39%17 of 44 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Muhammad Janisar takes part in Medicare
Dr. Janisar 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. Muhammad Janisar received $97 in industry payments from 2016 to 2017
CMS Open Payments shows 5 general payments to Dr. Janisar from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $61.
General payments to Dr. Janisar by program year, 2016 to 2017
Companies that paid Dr. Janisar the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Muhammad Janisar'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 (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. Muhammad Janisar
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. Muhammad Janisar's NPI number?
Dr. Muhammad Janisar's NPI number is 1972883197. It was assigned on August 18, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Muhammad Janisar?
Dr. Muhammad Janisar is an internist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Muhammad Janisar practice?
Dr. Janisar practices at 330 Mount Auburn Street, Cambridge, MA 02138. Dr. Janisar's primary practice is Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Janisar to 3 hospitals, 5 medical groups and 1 group practice or clinic.
What is Dr. Muhammad Janisar's office phone number?
The practice phone on file for Dr. Janisar is (617) 492-3500.
What is Dr. Muhammad Janisar's medical license number?
Dr. Janisar holds Massachusetts license 257858.
Which hospitals is Dr. Muhammad Janisar affiliated with?
Dr. Janisar practices at Mount Auburn Hospital in Cambridge, Massachusetts. Dr. Janisar is also affiliated with Lahey Clinic. Dmand AI links Dr. Janisar to 3 more hospitals.
What medical group is Dr. Muhammad Janisar part of?
Dr. Janisar is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Janisar to 5 more medical groups.
Does Dr. Muhammad Janisar accept Medicare?
Yes. CMS data shows Dr. Janisar billed Medicare for 526 services in 2024, and Dr. Janisar accepts Medicare assignment.
How many Medicare patients does Dr. Muhammad Janisar see?
CMS counts 412 Medicare patients who saw Dr. Janisar in 2024, with an average age of 79.
What services does Dr. Muhammad Janisar bill to Medicare?
In 2024, Dr. Janisar's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99222) and hospital inpatient care (99232).
Has Dr. Muhammad Janisar received payments from drug or device companies?
CMS Open Payments shows $97 in general payments to Dr. Janisar from 3 companies from 2016 to 2017. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Muhammad Janisar been practicing?
Dr. Janisar graduated from medical school in 2005, 21 years ago.
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