NPPES file of Aug 9, 2026

Matthew D. Iammatteo, M.D.

Specialist · Morristown, NJ

Matthew D. Iammatteo, M.D. is a specialist with a practice address in Morristown, New Jersey, and NPI 1346203593, issued on Apr 10, 2006. Check the license (New Jersey MA051863, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346203593
Name
Matthew D. Iammatteo
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
MA051863 NJ
Self-reported in NPPES; status is on the state search
Practice location
111 Madison Ave, Morristown, NJ 07960
Phone
(973) 971-9950
Enumerated
Apr 10, 2006
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20111108000399); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest specialist records → All 1,636 in New Jersey → Look up another NPI →

Also registered at 111 Madison Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tina Alessi, CNMAdvanced Practice Midwife1679581466
  2. Kimberlee Austin, M.D.Obstetrics & Gynecology Physician1265485650
  3. Linda Bahouth, MDObstetrics & Gynecology Physician1275973174
  4. Michael Baskies, MDOrthopaedic Hand Surgery Physician1992721617
  5. Andrea Braverman, PH.D.Psychologist1922021245
  6. Debra Brenin-Goldfischer, M.D.Obstetrics & Gynecology Physician1275583742

Verify Matthew D. Iammatteo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license MA051863    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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86% fewer Medicare Part D claims than the average specialist in 2024

198 Medicare Part D claims for 81 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Matthew Iammatteo198
  2. Specialty average1,380

Most prescribed

  1. Estradiol51 claims
  2. Premarin16 claims
  3. Premphase15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $508.49

23 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Matthew Iammatteo$508.49
  2. Specialty average$4,760.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Lifeline Medical Associates LLCMorristown, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew D. Iammatteo among 1,636 specialist records in New Jersey

Matthew D. Iammatteo, M.D. is one of 1,636 specialist records with a practice address in New Jersey. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 48% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileYes · 29% of these records are
  • Graduated1985 · median 1989 among the 474 with a school on file
  • Record last updated2026 · 83% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

31 specialist records list a practice address in Morristown

They are 31 of the 2,942 NPPES records with a practice address in Morristown, and 1,636 specialist records in New Jersey.

All 1,636 in New Jersey → Every provider in Morristown → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Kevin Aurori, M.D.Morristown, NJ 079601639144132
  2. Brian Aurori, M.D.Morristown, NJ 079601689649733
  3. Marc Cohen, M.D.Morristown, NJ 079601124052295
  4. Wayne Colizza, MDMorristown, NJ 079601568417137
  5. David Dickson, M.D.Morristown, NJ 079601063482545
  6. Gregory Fleming, M.D.Morristown, NJ 079601255372165
  7. Ian Gluck, M.D.Morristown, NJ 079601053391458
  8. Lowell Kabnick, M.D.Morristown, NJ 079601477533925

Common questions

What is Matthew D. Iammatteo, M.D.'s NPI number?

Matthew D. Iammatteo, M.D.'s National Provider Identifier (NPI) is 1346203593, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Matthew D. Iammatteo, M.D. located?

The NPPES record lists a practice address at 111 Madison Ave, Morristown, NJ, 07960. Phone: (973) 971-9950. Providers update this record themselves, so call before visiting.

How can I verify Matthew D. Iammatteo, M.D.'s license?

NPPES lists New Jersey license number MA051863, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew D. Iammatteo, M.D. prescribe under Medicare Part D?

In 2024, Matthew D. Iammatteo, M.D. had 198 Medicare Part D claims for 81 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.