GUADALUPE ISABEL MACIAS MD
NPI 1669487484
Internal Medicine in New York, NY
About Guadalupe Isabel Macias Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GUADALUPE ISABEL MACIAS MD (NPI 1669487484) is an individual internal medicine provider in New York, New York, licensed in New York (228895) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Guadalupe Isabel Macias Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Guadalupe Macias 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 10036
- Reassigned Medicare billing, New York enrollment
- 48 clinicians in this Medicare group
Brooklyn, NY 11237
- Reassigned Medicare billing, New York enrollment
- 427 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 10036 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 10036
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 Guadalupe Macias's NPI number?
The NPI number for Guadalupe Macias is 1669487484. It was assigned to this individual provider in the NPPES registry on July 30, 2006.
Where is Guadalupe Macias located?
Guadalupe Macias practices at 645 10th Ave, New York, NY 10036. The listed phone number is (212) 265-4500.
What is Guadalupe Macias's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Guadalupe Macias enrolled in Medicare?
Yes. Guadalupe Macias is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Guadalupe Macias's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guadalupe Macias reassigns Medicare benefits to 2 organizations: Ryan-Chelsea Clinton Community Health Center (New York, NY) and Wyckoff Professional Medical Services, PC (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 Guadalupe Macias'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 Guadalupe Macias was last updated on January 10, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Guadalupe Isabel Macias, MD · NPI 1669487484
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since July 30, 2006.
## Identity
- **NPI:** 1669487484 (Entity type: Individual)
- **Enumerated:** July 30, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 228895 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 645 10TH AVE, New York, NY 10036-2904
- **Phone:** (212) 265-4500
## 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): Ryan-Chelsea Clinton Community Health Center (NPI 1215978960, New York, NY); Wyckoff Professional Medical Services, PC (NPI 1659710796, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 10, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1669487484) · Data from the CMS NPPES public registry.