Paul Brian Dieffenbach, M.D.
Critical Care (Intensivists) · Pulmonary Disease (CMS) · Boston, MA
At a glance
15 Francis St, Boston, MA 02115-6105
NPPES record updated Apr 14, 2013. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
15 Francis St Center For Chest DiseasesBoston, MA 02115-6105
Education & affiliations
- Medical / professional school
- Harvard Medical School
- Graduation year
- 2008
- CMS specialties
- Critical Care (Intensivists) · Pulmonary Disease
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Brigham And Women's Hospital Boston, MA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Critical Care (Intensivists) · Pulmonary Disease (CMS)
- Taxonomy code
- 207RC0200X
- Enumeration date
- Apr 21, 2008
- Record updated
- Apr 14, 2013
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RC0200X · Primary
License reported: 250616 MA
207RP1001X
License reported: 250616 MA
207R00000X
License reported: 250616 MA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
15 Francis StCenter For Chest Diseases
Boston, MA 02115-6105
- Phone
- (617) 732-6770
- Fax
- (617) 582-6102
Mailing address
15 FRANCIS STCENTER FOR CHEST DISEASES
BOSTON, MA 021156105
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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