MATTHEW CAO MD
NPI 1215558986
Anesthesiology - Critical Care Medicine in Baltimore, MD
About Matthew Cao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW CAO MD (NPI 1215558986) is an individual critical care medicine provider in Baltimore, Maryland, licensed in Maryland (D0100766) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS, is affiliated with Long Island Jewish Medical Center, and maintains a secondary practice location in Yorba Linda.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Matthew Cao 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 Reassignment
Medicare enrollment records show Matthew Cao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chappaqua, NY 10514
- Reassigned Medicare billing, New York enrollment
- 1,406 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Long Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYOther 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 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Matthew Cao's NPI number?
The NPI number for Matthew Cao is 1215558986. It was assigned to this individual provider in the NPPES registry on May 4, 2020.
Where is Matthew Cao located?
Matthew Cao practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.
What is Matthew Cao's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Matthew Cao enrolled in Medicare?
Yes. Matthew Cao 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 organization bills Medicare for Matthew Cao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Cao reassigns Medicare benefits to North Shore - Lij Anesthesiology, PC (Chappaqua, NY). The 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 Matthew Cao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Cao affiliated with any hospitals?
According to CMS data, Matthew Cao is affiliated with Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for Matthew Cao was last updated on August 5, 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.
# Matthew Cao, MD · NPI 1215558986
Critical Care Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 4, 2020.
## Identity
- **NPI:** 1215558986 (Entity type: Individual)
- **Enumerated:** May 4, 2020
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **State license:** D0100766 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 955-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** North Shore - Lij Anesthesiology, PC (NPI 1417401266, Chappaqua, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 5, 2024
- **Other identifiers:** Medicaid 96816558F (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1215558986) · Data from the CMS NPPES public registry.