Dr. David Rahim R. Janfaza, MD
- Medicare services, 2024
- 11,556
- Medicare patients, 2024
- 429
- Part D claims, 2024
- 290
- Hospital affiliations
- 2
- Industry payments
- $176
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Janfaza'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. David Rahim R. Janfaza is an anesthesiologist in Boston, Massachusetts
Dr. Janfaza practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Janfaza's NPI, 1952369670, was assigned on May 2, 2006. Dr. Janfaza graduated from New York Medical College in 1991. Dr. Janfaza holds Massachusetts license 80901.
- NPI
- 1952369670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395737647
- NPI enumeration date
- May 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Rahim R. Janfaza practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Janfaza's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. David Rahim R. Janfaza is affiliated with 3 sites of care and 1 medical group
Dr. Janfaza's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Janfaza is also affiliated with South Shore Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Janfaza to 1 more hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Rahim R. Janfaza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janfaza practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Rahim R. Janfaza is one of 1,552 anesthesiologists in Massachusetts
Anesthesiology is Dr. Janfaza's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Janfaza is licensed in Massachusetts.
Specialties and state licenses
- Anesthesiology, MassachusettsPrimary
Anesthesiologists near Dr. Janfaza
Counts of anesthesiologists 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. David Rahim R. Janfaza billed Medicare for 11,556 services in 2024
CMS data shows 11,556 Medicare services from Dr. Janfaza across 22 procedure codes in 2024, for 429 Medicare patients. Medicare paid $91,599 for them.
Dr. Janfaza's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 5242024: 10,7451951%
- Surgery
- 2023: 2232024: 32144%
- Office and hospital visits
- 2023: 2362024: 2506%
- Anesthesia
- 2023: 1992024: 13930%
- Imaging
- 2023: 672024: 7613%
- Other services
- 2023: 02024: 25
Where Dr. Janfaza's Medicare services took place, 2024
- In an office11,41799%
- In a facility1391%
Dr. Janfaza compared with the Massachusetts median for anesthesiologists, 2024
- Dr. Janfaza
- Massachusetts median
- Medicare services
- 11,556vs 12691.7 times
- Medicare patients
- 429vs 2002.1 times
- Part D claims
- 217vs 297.5 times
Medians across 1,366 anesthesiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Janfaza'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. Janfaza and other anesthesiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Rahim R. Janfaza treated 429 Medicare patients in 2024, average age 73
CMS counts 429 Medicare patients who saw Dr. Janfaza in 2024. The largest group is 65 to 74, with 185 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Janfaza's median patient age at 69, with 61% women.
Dr. Janfaza's Medicare patients by age, 2024
Dr. Janfaza's Medicare patients by sex, 2024
- Women26562%
- Men16438%
Chronic conditions among Dr. Janfaza's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis68%
- Anxiety35%
- Mood disorders35%
- Depression32%
- Ischemic heart disease24%
- Osteoporosis23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Janfaza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Rahim R. Janfaza wrote 290 Medicare Part D claims in 2024
In 2024, Dr. Janfaza wrote 290 Medicare Part D claims for 83 patients. 97% of them were for generic drugs. CMS names the drug for 217 of them, across 7 drugs with 11 or more claims each, at $3,930 in total drug cost. In 2023, CMS named 270 claims across 6 drugs.
Dr. Janfaza's Part D claims by kind of drug, 2024
- Generic282 claims97%
- Brand-name and other8 claims3%
Dr. Janfaza's most prescribed drugs by claims, 2024
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. Janfaza's Part D claims, 2024
- Opioids14%40 of 290 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2702024: 21720%
Drugs named by CMS: 7 in 2024, 6 in 2023.
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
Dr. David Rahim R. Janfaza offers telehealth to Medicare patients
Dr. Janfaza accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Janfaza as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David Rahim R. Janfaza received $176 in industry payments from 2019 to 2024
CMS Open Payments shows 3 general payments to Dr. Janfaza from 3 drug and device companies from 2019 to 2024. Consulting fees make up the largest share, 57% of the total. Merck Sharp & Dohme Corporation paid the most, $100.
General payments to Dr. Janfaza by program year, 2019 to 2024
General payments to Dr. Janfaza by kind, 2019 to 2024
- Consulting fees$10057%
- Food and beverage$7643%
Companies that paid Dr. Janfaza the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Rahim R. Janfaza graduated from New York Medical College
Dr. Janfaza graduated from New York Medical College in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Rahim R. Janfaza'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. David Rahim R. Janfaza
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. David Rahim R. Janfaza's NPI number?
Dr. David Rahim R. Janfaza's NPI number is 1952369670. It was assigned on May 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Rahim R. Janfaza?
Dr. David Rahim R. Janfaza is an anesthesiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. David Rahim R. Janfaza practice?
Dr. Janfaza practices at 75 Francis Street, Boston, MA 02115. Dr. Janfaza's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Janfaza to 1 hospital outpatient department.
What is Dr. David Rahim R. Janfaza's office phone number?
The practice phone on file for Dr. Janfaza is (617) 732-5500.
What is Dr. David Rahim R. Janfaza's medical license number?
Dr. Janfaza holds Massachusetts license 80901.
Which hospitals is Dr. David Rahim R. Janfaza affiliated with?
Dr. Janfaza practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Janfaza is also affiliated with South Shore Hospital.
What medical group is Dr. David Rahim R. Janfaza part of?
Dr. Janfaza is linked to Brigham and Women's Hospital.
Does Dr. David Rahim R. Janfaza accept Medicare?
Yes. CMS data shows Dr. Janfaza billed Medicare for 11,556 services in 2024, and Dr. Janfaza accepts Medicare assignment.
Does Dr. David Rahim R. Janfaza offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Janfaza as offering telehealth services.
How many Medicare patients does Dr. David Rahim R. Janfaza see?
CMS counts 429 Medicare patients who saw Dr. Janfaza in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. David Rahim R. Janfaza bill to Medicare?
In 2024, Dr. Janfaza's most billed Medicare services were injected or infused drug (J1010), injected or infused drug (J2795) and office visit, established patient (99214).
Where did Dr. David Rahim R. Janfaza go to medical school?
Dr. Janfaza graduated from New York Medical College in 1991.
What drugs does Dr. David Rahim R. Janfaza prescribe most?
In 2024 Medicare Part D data, Dr. Janfaza's most prescribed drugs by claims were Gabapentin, Pregabalin and Baclofen.
Has Dr. David Rahim R. Janfaza received payments from drug or device companies?
CMS Open Payments shows $176 in general payments to Dr. Janfaza from 3 companies from 2019 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. David Rahim R. Janfaza been practicing?
Dr. Janfaza graduated from medical school in 1991, 35 years ago.
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