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DR. JUSTIN ADAM MAZZILLO M.D.
NPI 1487924304
Emergency Medicine in Keene, NH

Active since January 09, 2012PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: August 28, 2013. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Justin Adam Mazzillo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JUSTIN ADAM MAZZILLO M.D. (NPI 1487924304) is an individual emergency medicine provider in Keene, New Hampshire, licensed in New Hampshire (16046) and active in the NPI registry since January 2012. He is enrolled in Medicare PECOS, is affiliated with Strong Memorial Hospital, and is a graduate of State University Of New York At Buffalo School Of Medicine (2010).

NPPES Registry Identity

NPI1487924304
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JUSTIN ADAM MAZZILLOCredential: M.D.
Location Address590 COURT STKeene, NH 03431-1719
Mailing Address590 Court StKeene, NH 03431-1719 · (603) 354-5454
Phone(603) 354-5454
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2010
Enumeration DateJanuary 9, 2012
Last NPPES UpdateAugust 28, 2013
✔ NPI 1487924304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in NH · 16046✔ Licensed in TX · P1670
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
590 COURT ST, Keene, NH 03431
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Other Identifiers 2

Medicaid3085790NH
Medicare PIN003315801NH

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Justin Adam Mazzillo M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072755842
PECOS Enrollment IDI20151016000768
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
28 services28 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Strong Memorial Hospital

Acute Care Hospitals · Rochester, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330285
Location601 Elmwood AveRochester, NY 14642 · Monroe County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03431 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRISTIE N LA MONICA PA
Physician Assistant (Medical)
590 COURT ST
KEENE, NH 03431
Cheshire County (603) 354-5496
DR. LESLIE THOMAS PITTS M.D.
Family Medicine
590 COURT ST
KEENE, NH 03431
Cheshire County (603) 354-5454
DR. HEIDI FEDRIZZI RINEHART MD
Obstetrics & Gynecology
590 COURT ST
KEENE, NH 03431
Cheshire County (603) 354-5400
MRS. JESSE R RIDGWAY CNM
Advanced Practice Midwife
590 COURT ST
KEENE, NH 03431
Cheshire County (603) 354-6534
DR. OLIVIER P VAN HOUTTE MD
Surgery
590 COURT ST
KEENE, NH 03431
Cheshire County (603) 354-5400
DR. MURPHY R NEENAN APRN
Nurse Practitioner (Family)
590 COURT ST
KEENE, NH 03431
Cheshire County (603) 354-5400
DR. PAUL C. BETTINGER M.D.
Orthopaedic Surgery (Hand Surgery)
590 COURT ST
KEENE, NH 03431
Cheshire County (603) 354-5454
MICHELE L PARR CRNA
Nurse Anesthetist, Certified Registered
590 COURT ST
KEENE, NH 03431
Cheshire County (603) 354-6534

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Justin Mazzillo's NPI number?

The NPI number for Justin Mazzillo is 1487924304. It was assigned to this individual provider in the NPPES registry on January 9, 2012.

Where is Justin Mazzillo located?

Justin Mazzillo practices at 590 Court St, Keene, NH 03431. The listed phone number is (603) 354-5454.

What is Justin Mazzillo's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Justin Mazzillo enrolled in Medicare?

Yes. Justin Mazzillo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Justin Mazzillo affiliated with any hospitals?

According to CMS data, Justin Mazzillo is affiliated with Strong Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Justin Mazzillo was last updated on August 28, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.