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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MATTHEW D IAMMATTEO M.D.
NPI 1346203593
Specialist in Morristown, NJ

Active since April 10, 2006PECOS EnrolledCLIA 31D0967357 · Microscopy
111 MADISON AVE, SUITE 311, MORRISTOWN, NJ 07960(973) 971-9950 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Matthew D Iammatteo M.d. NPPES

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

DR. MATTHEW D IAMMATTEO M.D. (NPI 1346203593) is an individual specialist in Morristown, New Jersey, licensed in New Jersey (MA051863) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through November 9, 2027, and is affiliated with Morristown Medical Center.

NPPES Registry Identity

NPI1346203593
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. MATTHEW D IAMMATTEOCredential: M.D.
Location Address111 MADISON AVE, SUITE 311Morristown, NJ 07960-6097
Mailing Address111 Madison Ave, Suite 311Morristown, NJ 07960-6097 · (973) 971-9950
Phone(973) 971-9950
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateApril 10, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1346203593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NJ · MA051863
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
111 MADISON AVE, Morristown, NJ 07960
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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. Matthew D Iammatteo 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 ID3971776949
PECOS Enrollment IDI20111108000399
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 31D0967357

Matthew D Immatteo MD · Morristown, NJ
Active · expires Nov 9, 2027
CLIA Number31D0967357
Laboratory TypePhysician Office
Certificate Effective DateNovember 10, 2025
Certificate Expiration DateNovember 9, 2027
Laboratory DirectorMatthew D. Iammatteo
Laboratory Phone(973) 971-9950
Laboratory LocationMatthew D Immatteo MD111 Madison Avenue Suite 311, Morristown, NJ 07960
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 8

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.

Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
168 services84 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
167 services167 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
128 services128 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
61 services56 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
50 services48 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
42 services42 patients

Hospital Affiliations CMS Care Compare 2

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

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310015
Location100 Madison AveMorristown, NJ 07960 · Morris County
Emergency services Birthing friendly

Saint Clare's Hospital/ Denville Campus

Acute Care Hospitals · Denville, NJ
3/5 CMS rating
OwnershipProprietary
CMS Certification Number310050
Location25 Pocono RoadDenville, NJ 07834 · Morris County
Emergency services Birthing friendly

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.

NEW JERSEY AMBULATORY ANESTHESIA ASSOCIATES LLC
Specialist
111 MADISON AVE, MORRISTOWN SURGICAL CENTER
MORRISTOWN, NJ 07960
Morris County (201) 943-5991
MRS. LAUREN THERESA MINOTTI BSN, RN, CNOR, RNFA
Registered Nurse (Registered Nurse First Assistant)
111 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-6900
DR. SARA BETH LINDGREN O'REILLY D.O.
Obstetrics & Gynecology
111 MADISON AVE, SUITE 308
MORRISTOWN, NJ 07960
Morris County (973) 285-0400
RMA OF NEW JERSEY COMPLIMENTARY CARE
Psychologist
111 MADISON AVE, SUITE 100
MORRISTOWN, NJ 07960
Morris County (973) 971-4600
DAMION MARTINS MD
Internal Medicine (Sports Medicine)
111 MADISON AVE, SUITE 400
MORRISTOWN, NJ 07960
Morris County (973) 971-6898
KRISTYN HOLC
Physical Medicine & Rehabilitation
111 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 683-2360
MR. GLEN LAWRENCE TOBIAS RD
Dietitian, Registered
111 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-6898
PROFESSIONAL OCCUPATIONAL & PHYSICAL THERAPY, PLLC
Occupational Therapist
111 MADISON AVE, SUITE 303
MORRISTOWN, NJ 07960
Morris County (973) 267-0991

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 Matthew Iammatteo's NPI number?

The NPI number for Matthew Iammatteo is 1346203593. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is Matthew Iammatteo located?

Matthew Iammatteo practices at 111 Madison Ave Suite 311, Morristown, NJ 07960. The listed phone number is (973) 971-9950.

What is Matthew Iammatteo's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Matthew Iammatteo enrolled in Medicare?

Yes. Matthew Iammatteo 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.

Does Matthew Iammatteo hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 31D0967357) is associated with this NPI, valid through November 9, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is Matthew Iammatteo affiliated with any hospitals?

According to CMS data, Matthew Iammatteo is affiliated with Morristown Medical Center and Saint Clare's Hospital/ Denville Campus.

When was this NPI record last updated?

The NPPES record for Matthew Iammatteo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.