Quick answers
- Does Lawrence J. Mambrino accept Medicare assignment?
- Yes. Medicare's clinician data says Lawrence J. Mambrino accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Lawrence J. Mambrino see?
- In 2024, CMS data shows 586 Original Medicare patients and 2,099 services for Lawrence J. Mambrino. This counts Original Medicare only and measures volume, not quality.
- What is Lawrence J. Mambrino's NPI number?
- 1508845017. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Lawrence J. Mambrino, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 586 |
|---|---|
| Services billed to Medicare | 2,099 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)561 services
- Removal of impacted ear wax (69210)281 services
- Comprehensive hearing and speech recognition test (92557)244 services
- Test to assess middle ear function (92567)235 services
- Diagnostic exam of nasal passages using an endoscope (31231)198 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol70%
- High blood pressure65%
- Arthritis45%
- Anxiety28%
- Depression25%
- Osteoporosis24%
Hospitals where Lawrence J. Mambrino works
Medicare's Facility Affiliation Data lists Lawrence J. Mambrino at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220002
Practice locations
Addresses where Lawrence J. Mambrino is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 Mount Auburn St, Suite 308Cambridge, MA 02138 (617) 354‑1010
Group practices
Medicare enrollment lists Lawrence J. Mambrino as a member of this group (CMS data updated October 2, 2026).
- Cambridge Otolaryngology5 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Other clinicians in Cambridge Otolaryngology
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508845017 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians