ATON MORDECHAI HOLZER MD
NPI 1083828180
Dermatology - MOHS-Micrographic Surgery in Newark, DE
About Aton Mordechai Holzer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ATON MORDECHAI HOLZER MD (NPI 1083828180) is an individual mohs-micrographic surgery provider in Newark, Delaware, licensed in Florida (ME110136) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Aton Mordechai Holzer 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 Reassignments
7Medicare enrollment records show Aton Holzer reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, DE 19713
- Reassigned Medicare billing, Delaware enrollment
- 12 clinicians in this Medicare group
Bridgewater, NJ 08807
- Reassigned Medicare billing, New Jersey enrollment
- 6 clinicians in this Medicare group
Spotswood, NJ 08884
- Reassigned Medicare billing, New Jersey enrollment
- 3 clinicians in this Medicare group
Clark, NJ 07066
- Reassigned Medicare billing, New Jersey enrollment
- 34 clinicians in this Medicare group
Ridgewood, NJ 07450
- Reassigned Medicare billing, New Jersey enrollment
- 17 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 39 clinicians in this Medicare group
Stratford, CT 06614
- Reassigned Medicare billing, Connecticut enrollment
- 4 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 19
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 19713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
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 Aton Holzer's NPI number?
The NPI number for Aton Holzer is 1083828180. It was assigned to this individual provider in the NPPES registry on May 9, 2007.
Where is Aton Holzer located?
Aton Holzer practices at 774 Christiana Rd Ste 107, Newark, DE 19713. The listed phone number is (302) 230-3376.
What is Aton Holzer's specialty?
The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.
Is Aton Holzer enrolled in Medicare?
Yes. Aton Holzer 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 organizations bill Medicare for Aton Holzer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aton Holzer reassigns Medicare benefits to 7 organizations: Burke Dermatology, PA (Newark, DE), The Dermatology Center Of New Jersey, PC (Bridgewater, NJ), Integrated Dermatology Of New Jersey, LLC (Spotswood, NJ), Clark Dermatology LLC (Clark, NJ), Advanced Dermatology Of New Jersey PC (Ridgewood, NJ) and 2 more organizations, listed in the Medicare section above. Each 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 Aton Holzer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aton Holzer accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Aton Holzer 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 Aton Holzer was last updated on December 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Aton Mordechai Holzer, MD · NPI 1083828180
MOHS-Micrographic Surgery physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since May 9, 2007.
## Identity
- **NPI:** 1083828180 (Entity type: Individual)
- **Enumerated:** May 9, 2007
- **Primary specialty:** Dermatology - MOHS-Micrographic Surgery · taxonomy 207ND0101X
- **State license:** ME110136 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 774 CHRISTIANA RD STE 107, Newark, DE 19713-4248
- **Phone:** (302) 230-3376 · **Fax:** (302) 224-4990
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Burke Dermatology, PA (NPI 1871646919, Newark, DE); The Dermatology Center Of New Jersey, PC (NPI 1598991960, Bridgewater, NJ); Integrated Dermatology Of New Jersey, LLC (NPI 1265955785, Spotswood, NJ); Clark Dermatology LLC (NPI 1851562425, Clark, NJ); Advanced Dermatology Of New Jersey PC (NPI 1225362783, Ridgewood, NJ); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** December 10, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1083828180) · Data from the CMS NPPES public registry.