DR. MICHAEL J KATZ MD
NPI 1124124805
Otolaryngology in Morristown, NJ
About Dr. Michael J Katz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL J KATZ MD (NPI 1124124805) is an individual otolaryngology provider in Morristown, New Jersey, licensed in New Jersey (25MA07329600) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bridgewater, and is a graduate of Boston University School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Michael J Katz Md 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.
Medicare Billing Reassignment
Medicare enrollment records show Michael Katz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tarrytown, NY 10591
- Reassigned Medicare billing, New Jersey enrollment
- 153 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07960 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michael Katz's NPI number?
The NPI number for Michael Katz is 1124124805. It was assigned to this individual provider in the NPPES registry on September 16, 2006.
Where is Michael Katz located?
Michael Katz practices at 10 Madison Ave Fl 3, Morristown, NJ 07960. The listed phone number is (973) 507-7750.
What is Michael Katz's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Michael Katz enrolled in Medicare?
Yes. Michael Katz 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.
Which organization bills Medicare for Michael Katz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Katz reassigns Medicare benefits to Ent And Allergy Associates LLP (Tarrytown, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Katz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Katz accept?
Health plans from Oscar Health list Michael Katz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Michael Katz was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Dr. Michael J Katz, MD · NPI 1124124805
Otolaryngology physician in Morristown, New Jersey. Individual provider, active in the CMS NPPES registry since September 16, 2006.
## Identity
- **NPI:** 1124124805 (Entity type: Individual)
- **Enumerated:** September 16, 2006
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 25MA07329600 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 10 MADISON AVE FL 3, Morristown, NJ 07960-7327
- **Phone:** (973) 507-7750 · **Fax:** (973) 507-7752
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ent And Allergy Associates LLP (NPI 1376598326, Tarrytown, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** February 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1124124805) · Data from the CMS NPPES public registry.