NICHOLAS MAI MD
NPI 1932643558
Internal Medicine - Medical Oncology in Middletown, NJ
About Nicholas Mai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS MAI MD (NPI 1932643558) is an individual medical oncology provider in Middletown, New Jersey, licensed in New York (316373) and active in the NPI registry since December 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Nicholas Mai 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
3Medicare enrollment records show Nicholas Mai reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middletown, NJ 07748
- Reassigned Medicare billing, New Jersey enrollment
- 464 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 259 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 514 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07748 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MIDDLETOWN, NJ 07748
MIDDLETOWN, NJ 07748
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 Nicholas Mai's NPI number?
The NPI number for Nicholas Mai is 1932643558. It was assigned to this individual provider in the NPPES registry on December 16, 2016. The provider is also known as Nick V Mai.
Where is Nicholas Mai located?
Nicholas Mai practices at 480 Red Hill Rd, Middletown, NJ 07748. The listed phone number is (848) 800-5319.
What is Nicholas Mai's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Nicholas Mai enrolled in Medicare?
Yes. Nicholas Mai 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 Nicholas Mai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Mai reassigns Medicare benefits to 3 organizations: Msk Monmouth (Middletown, NJ), Memorial Developmental Chemo Group (New York, NY) and Memorial Solid Tumor Group (New York, NY). 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 Nicholas Mai'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 Nicholas Mai was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Nicholas Mai, MD · NPI 1932643558
Medical Oncology physician in Middletown, New Jersey. Individual provider, active in the CMS NPPES registry since December 16, 2016.
## Identity
- **NPI:** 1932643558 (Entity type: Individual)
- **Enumerated:** December 16, 2016
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 316373 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 480 RED HILL RD, Middletown, NJ 07748-3052
- **Phone:** (848) 800-5319
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Msk Monmouth (NPI 1922459163, Middletown, NJ); Memorial Developmental Chemo Group (NPI 1912978487, New York, NY); Memorial Solid Tumor Group (NPI 1699746172, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** March 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1932643558) · Data from the CMS NPPES public registry.