THEODORE ELIAS ALLEN M.D.
NPI 1659379147
Internal Medicine in Bronx, NY
About Theodore Elias Allen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THEODORE ELIAS ALLEN M.D. (NPI 1659379147) is an individual internal medicine provider in Bronx, New York, licensed in New York (129095) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Other (1972).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Theodore Elias Allen 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 Reassignments
6Medicare enrollment records show Theodore Allen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 1,393 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 92 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Bronx Medical Practice PC
- 1,013 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 1,054 clinicians in this Medicare group
Syosset, NY 11791
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Nassau Medical Home Visits PC
- 19 clinicians in this Medicare group
Massapequa, NY 11758
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Fulton Medical PC
- 37 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 3
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.
Montefiore Medical Center
Acute Care Hospitals · Bronx, NYNew York-Presbyterian Hospital
Acute Care Hospitals · New York, NYJacobi Medical Center
Acute Care Hospitals · Bronx, NYMontefiore New Rochelle Hospital
Acute Care Hospitals · New Rochelle, NYWhite Plains Hospital Center
Acute Care Hospitals · White Plains, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10453 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 19
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.
BRONX, NY 10453
BRONX, NY 10453
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 Theodore Allen's NPI number?
The NPI number for Theodore Allen is 1659379147. It was assigned to this individual provider in the NPPES registry on July 8, 2005.
Where is Theodore Allen located?
Theodore Allen practices at 2015 Grand Concourse, Bronx, NY 10453. The listed phone number is (718) 299-7295.
What is Theodore Allen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Theodore Allen enrolled in Medicare?
Yes. Theodore Allen 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 Theodore Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theodore Allen reassigns Medicare benefits to 6 organizations: Essen Medical Associates, PC (Bronx, NY), Calvary Hospital Inc (Bronx, NY), Bronx Medical Practice P.C. (Bronx, NY), House Call Medical Services Of New York, PLLC (Bronx, NY), Nassau Medical Home Visits P.C. (Syosset, NY) and 1 more organization, listed in the Medicare section above. 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 Theodore Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Theodore Allen affiliated with any hospitals?
According to CMS data, Theodore Allen is affiliated with Montefiore Medical Center, New York-Presbyterian Hospital, Jacobi Medical Center, Montefiore New Rochelle Hospital and White Plains Hospital Center.
When was this NPI record last updated?
The NPPES record for Theodore Allen was last updated on June 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.