DR. MARY JO DIMILIA M.D.
NPI 1871788273
Internal Medicine - Adolescent Medicine in New York, NY
About Dr. Mary Jo Dimilia M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY JO DIMILIA M.D. (NPI 1871788273) is an individual adolescent medicine provider in New York, New York, licensed in New York (197284-1) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Mary Jo Dimilia M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Jo Dimilia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10024
- Reassigned Medicare billing, New York enrollment
- 245 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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10128
NEW YORK, NY 10128
NEW YORK, NY 10128
NEW YORK, NY 10128
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 Mary Jo Dimilia's NPI number?
The NPI number for Mary Jo Dimilia is 1871788273. It was assigned to this individual provider in the NPPES registry on September 9, 2007.
Where is Mary Jo Dimilia located?
Mary Jo Dimilia practices at 1150 Park Ave, New York, NY 10128. The listed phone number is (347) 746-2144.
What is Mary Jo Dimilia's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Adolescent Medicine, with taxonomy code 207RA0000X.
Is Mary Jo Dimilia enrolled in Medicare?
Yes. Mary Jo Dimilia is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Jo Dimilia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Jo Dimilia reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, 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 Mary Jo Dimilia'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 Mary Jo Dimilia was last updated on March 7, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Mary Jo Dimilia, M.D. · NPI 1871788273
Adolescent Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since September 9, 2007.
## Identity
- **NPI:** 1871788273 (Entity type: Individual)
- **Enumerated:** September 9, 2007
- **Primary specialty:** Internal Medicine - Adolescent Medicine · taxonomy 207RA0000X
- **State license:** 197284-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1150 PARK AVE, New York, NY 10128-1244
- **Phone:** (347) 746-2144
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Icahn School Of Medicine At Mount Sinai (NPI 1124392238, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 7, 2014
- **Other identifiers:** Medicare PIN F49064 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1871788273) · Data from the CMS NPPES public registry.