Physician Profile
Based in Providence, RI, Peter J. Mazzaglia, MD is listed in the NPI registry under surgery. Peter graduated from University of Massachusetts Medical School in 1993. Medicare claims data shows Peter provided 424 services to 404 patients. The services billed most often include ultrasound scan of head and neck soft tissue, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2 DUDLEY ST SUITE 470
Providence, RI 02905
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Breast conditions
Cancer
Colorectal
Digestive
Digestive & blood
Digestive health
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Most searched procedures
Abdominal
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Wounds
424 services · 404 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
23 | As often as other peers in Surgery |
| Removal or exploration of parathyroid glands | Procedure | 60500 |
20 | As often as other peers in Surgery |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
164 | More than most peers in Surgery |
| Ultrasonic guidance during surgery | Imaging | 76998 |
26 | More often than most peers in Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
90 | More often than most peers in Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
61 | More often than most peers in Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
22 | As often as other peers in Surgery |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
18 | As often as other peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Mazzaglia is a general surgeon in Providence, RI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Dr. Mazzaglia is listed at 2 Dudley St Suite 470, Providence, RI 02905. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (401) 223-0962. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Mazzaglia's National Provider Identifier is 1639103617. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Mazzaglia attended University of Massachusetts Medical School, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Mazzaglia has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Mazzaglia performs procedures including fine needle aspiration biopsy using ultrasound guidance, first growth and removal or exploration of parathyroid glands; reads or performs imaging such as ultrasound scan of head and neck soft tissue and ultrasonic guidance during surgery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mazzaglia. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.