ALEJANDRA MAIZ MD
NPI 1497371892
Ophthalmology in Baltimore, MD
About Alejandra Maiz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEJANDRA MAIZ MD (NPI 1497371892) is an individual ophthalmology provider in Baltimore, Maryland, licensed in Maryland (D0100946) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Ann Arbor.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alejandra Maiz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Alejandra Maiz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 67 clinicians in this Medicare group
Baltimore, MD 21204
- Reassigned Medicare billing, Maryland enrollment
- Also billed through NPI 1457482663 (Maryland)
- 4 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 5
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.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21264 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.
BALTIMORE, MD 21264
BALTIMORE, MD 21264
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 Alejandra Maiz's NPI number?
The NPI number for Alejandra Maiz is 1497371892. It was assigned to this individual provider in the NPPES registry on June 22, 2020.
Where is Alejandra Maiz located?
Alejandra Maiz practices at 600 N Wolfe St, Baltimore, MD 21264. The listed phone number is (410) 955-5080.
What is Alejandra Maiz's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Alejandra Maiz enrolled in Medicare?
Yes. Alejandra Maiz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Alejandra Maiz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alejandra Maiz reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD) and Thompson & Sjaarda PA (Baltimore, MD). 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 Alejandra Maiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alejandra Maiz affiliated with any hospitals?
According to CMS data, Alejandra Maiz is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for Alejandra Maiz was last updated on August 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Alejandra Maiz, MD · NPI 1497371892
Ophthalmology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 22, 2020.
## Identity
- **NPI:** 1497371892 (Entity type: Individual)
- **Enumerated:** June 22, 2020
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** D0100946 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21264-2303
- **Phone:** (410) 955-5080
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1881694453, Baltimore, MD); Johns Hopkins University (NPI 1588638878, Baltimore, MD); Thompson & Sjaarda PA (NPI 1346211935, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1497371892) · Data from the CMS NPPES public registry.