MARIA LIEF M.D.
NPI 1922184100
Specialist in Bronx, NY
About Maria Lief M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA LIEF M.D. (NPI 1922184100) is an individual specialist in Bronx, New York, licensed in New York (199746) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with New York-presbyterian/queens, and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Maria Lief M.d. 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 Maria Lief reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 92 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
New York-Presbyterian/Queens
Acute Care Hospitals · Flushing, NYMontefiore Medical Center
Acute Care Hospitals · Bronx, NYNew York-Presbyterian Hospital
Acute Care Hospitals · New York, NYWestchester Medical Center
Acute Care Hospitals · Valhalla, NYWhite Plains Hospital Center
Acute Care Hospitals · White Plains, NYMedicare 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 5
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 Maria Lief's NPI number?
The NPI number for Maria Lief is 1922184100. It was assigned to this individual provider in the NPPES registry on October 31, 2006.
Where is Maria Lief located?
Maria Lief practices at 1740 Eastchester Road Calvary Hospital, Bronx, NY 10461. The listed phone number is (718) 518-2222.
What is Maria Lief's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Maria Lief enrolled in Medicare?
Yes. Maria Lief 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 Maria Lief's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Lief reassigns Medicare benefits to Calvary Hospital Inc (Bronx, 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 Maria Lief's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Maria Lief affiliated with any hospitals?
According to CMS data, Maria Lief is affiliated with New York-Presbyterian/Queens, Montefiore Medical Center, New York-Presbyterian Hospital, Westchester Medical Center and White Plains Hospital Center.
When was this NPI record last updated?
The NPPES record for Maria Lief was last updated on July 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Maria Lief, M.D. · NPI 1922184100
Specialist provider in Bronx, New York. Individual provider, active in the CMS NPPES registry since October 31, 2006.
## Identity
- **NPI:** 1922184100 (Entity type: Individual)
- **Enumerated:** October 31, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 199746 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1740 EASTCHESTER ROAD, CALVARY HOSPITAL, Bronx, NY 10461
- **Phone:** (718) 518-2222
## 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:** Calvary Hospital Inc (NPI 1528495306, Bronx, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1983
## Record status
- **NPPES last updated:** July 23, 2015
- **Other identifiers:** Medicare UPIN G11907 (NY); Medicare ID-Type Unspecified 44J071 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1922184100) · Data from the CMS NPPES public registry.