DIANA GUTIERREZ MD
NPI 1063918720
Hospitalist in New York, NY
About Diana Gutierrez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA GUTIERREZ MD (NPI 1063918720) is an individual hospitalist provider in New York, New York, licensed in New York (311085) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Maimonides Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Diana Gutierrez 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
3Medicare enrollment records show Diana Gutierrez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 769 clinicians in this Medicare group
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 1,177 clinicians in this Medicare group
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 85 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maimonides Medical Center
Acute Care Hospitals · Brooklyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10003 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.
NEW YORK, NY 10003
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 Diana Gutierrez's NPI number?
The NPI number for Diana Gutierrez is 1063918720. It was assigned to this individual provider in the NPPES registry on April 2, 2018.
Where is Diana Gutierrez located?
Diana Gutierrez practices at First Avenue At 16th Street, New York, NY 10003. The listed phone number is (212) 844-1808.
What is Diana Gutierrez's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Diana Gutierrez enrolled in Medicare?
Yes. Diana Gutierrez 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 Diana Gutierrez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Gutierrez reassigns Medicare benefits to 3 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY), Maimonides Faculty Practice Plan (Brooklyn, NY) and Maimonides Medical Center Maimonides Primary Care Fpp (Brooklyn, 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 Diana Gutierrez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Diana Gutierrez affiliated with any hospitals?
According to CMS data, Diana Gutierrez is affiliated with Maimonides Medical Center.
When was this NPI record last updated?
The NPPES record for Diana Gutierrez was last updated on July 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.