ROBERT SAVERIO IANNACCONE MD
NPI 1851040489
Emergency Medicine in Baltimore, MD
About Robert Saverio Iannaccone Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT SAVERIO IANNACCONE MD (NPI 1851040489) is an individual emergency medicine provider in Baltimore, Maryland, licensed in New Jersey (25MA12595600) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Hackensack University Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Robert Saverio Iannaccone 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
2Medicare enrollment records show Robert Iannaccone reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 689 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 2,844 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hackensack University Medical Center
Acute Care Hospitals · Hackensack, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Robert Iannaccone's NPI number?
The NPI number for Robert Iannaccone is 1851040489. It was assigned to this individual provider in the NPPES registry on March 21, 2022.
Where is Robert Iannaccone located?
Robert Iannaccone practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (667) 214-2208.
What is Robert Iannaccone's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Robert Iannaccone enrolled in Medicare?
Yes. Robert Iannaccone 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 Robert Iannaccone's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Iannaccone reassigns Medicare benefits to 2 organizations: Hackensack Meridian Health Medical Group - Primary Care PC (Red Bank, NJ) and Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). 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 Robert Iannaccone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Robert Iannaccone affiliated with any hospitals?
According to CMS data, Robert Iannaccone is affiliated with Hackensack University Medical Center.
When was this NPI record last updated?
The NPPES record for Robert Iannaccone was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Robert Saverio Iannaccone, MD · NPI 1851040489
Emergency Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 21, 2022.
## Identity
- **NPI:** 1851040489 (Entity type: Individual)
- **Enumerated:** March 21, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 25MA12595600 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1590
- **Phone:** (667) 214-2208
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Hackensack Meridian Health Medical Group - Primary Care PC (NPI 1336203538, Red Bank, NJ); Hackensack Meridian Health Medical Group - Specialty Care PC (NPI 1215989249, Red Bank, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** May 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1851040489) · Data from the CMS NPPES public registry.