DR. MARY T. FLOOD M.D.
NPI 1821040544
Internal Medicine - Infectious Disease in New York, NY
About Dr. Mary T. Flood M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY T. FLOOD M.D. (NPI 1821040544) is an individual infectious disease provider in New York, New York, licensed in New York (176347) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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 (PECOS)
Dr. Mary T. Flood M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mary Flood reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 612 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1982993184 (New York)
- 3,922 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10032 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Reported Quality Measures
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.
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Flood's NPI number?
The NPI number for Mary Flood is 1821040544. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Mary Flood located?
Mary Flood practices at 161 Fort Washington Ave 2nd Floor, Suite 215, New York, NY 10032. The listed phone number is (212) 305-8039.
What is Mary Flood's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Mary Flood enrolled in Medicare?
Yes. Mary Flood is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Flood's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Flood reassigns Medicare benefits to 2 organizations: Trustees Of Columbia University In The City Of New York (New York, NY) and Trustees Of Columbia University In The City Of New York (New York, NY). 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 Mary Flood'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 Flood was last updated on August 25, 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 T. Flood, M.D. · NPI 1821040544
Infectious Disease physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1821040544 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 176347 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 161 FORT WASHINGTON AVE, 2ND FLOOR, SUITE 215, New York, NY 10032-3729
- **Phone:** (212) 305-8039
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Trustees Of Columbia University In The City Of New York (NPI 1437176047, New York, NY); Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 25, 2014
- **Other identifiers:** Medicare UPIN F73822 (NY); Medicare PIN 29I2538361 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1821040544) · Data from the CMS NPPES public registry.