DR. JOHN VICTOR DEMAIO D,C,
NPI 1356486450
Chiropractor - Nutrition in Gambrills, MD
About Dr. John Victor Demaio D,c, NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN VICTOR DEMAIO D,C, (NPI 1356486450) is an individual nutrition provider in Gambrills, Maryland, licensed in Maryland (S01522) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of New York Chiropractic College (1990).
NPPES Registry Identity
Specialties & Licenses 2
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. John Victor Demaio D,c, 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 John Demaio reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Gambrills, MD 21054
- Reassigned Medicare billing, Maryland enrollment
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 2
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.
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 John Demaio's NPI number?
The NPI number for John Demaio is 1356486450. It was assigned to this individual provider in the NPPES registry on February 20, 2007.
Where is John Demaio located?
John Demaio practices at 2391 Brandermill Blvd Ste 105, Gambrills, MD 21054. The listed phone number is (410) 721-2222.
What is John Demaio's specialty?
The primary specialty registered for this NPI is Chiropractor, specializing in Nutrition, with taxonomy code 111NN1001X.
Is John Demaio enrolled in Medicare?
Yes. John Demaio 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 John Demaio's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Demaio reassigns Medicare benefits to John V. Demaio Dc PC (Gambrills, MD). 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 John Demaio'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 John Demaio was last updated on June 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. John Victor Demaio, D,C, · NPI 1356486450
Nutrition provider in Gambrills, Maryland. Individual provider, active in the CMS NPPES registry since February 20, 2007.
## Identity
- **NPI:** 1356486450 (Entity type: Individual)
- **Enumerated:** February 20, 2007
- **Primary specialty:** Chiropractor - Nutrition · taxonomy 111NN1001X
- **State license:** S01522 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2391 BRANDERMILL BLVD STE 105, Gambrills, MD 21054-1985
- **Phone:** (410) 721-2222 · **Fax:** (410) 721-2437
## 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:** John V. Demaio Dc PC (NPI 1356699698, Gambrills, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Chiropractic College, class of 1990
## Record status
- **NPPES last updated:** June 6, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1356486450) · Data from the CMS NPPES public registry.