FRANK MAYER III
NPI 1144857632
Emergency Medicine in Dover, DE
About Frank Mayer Iii NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FRANK MAYER III (NPI 1144857632) is an individual emergency medicine provider in Dover, Delaware, licensed in Delaware (C2-0024244) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Philadelphia College Of Osteopathic Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
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
Frank Mayer Iii 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 Frank Mayer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- 142 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 4
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 19901 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 20
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 Frank Mayer's NPI number?
The NPI number for Frank Mayer is 1144857632. It was assigned to this individual provider in the NPPES registry on March 24, 2020.
Where is Frank Mayer located?
Frank Mayer practices at 640 S State St, Dover, DE 19901. The listed phone number is (302) 674-4700.
What is Frank Mayer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Frank Mayer enrolled in Medicare?
Yes. Frank Mayer 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 Frank Mayer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Mayer reassigns Medicare benefits to Bayhealth Emergency Physicians LLC (Dover, DE). 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 Frank Mayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Frank Mayer was last updated on March 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Frank Mayer III · NPI 1144857632
Emergency Medicine physician in Dover, Delaware. Individual provider, active in the CMS NPPES registry since March 24, 2020.
## Identity
- **NPI:** 1144857632 (Entity type: Individual)
- **Enumerated:** March 24, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C2-0024244 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 640 S STATE ST, Dover, DE 19901-3530
- **Phone:** (302) 674-4700 · **Fax:** (302) 735-3845
## 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:** Bayhealth Emergency Physicians LLC (NPI 1073012696, Dover, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2020
## Record status
- **NPPES last updated:** March 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1144857632) · Data from the CMS NPPES public registry.