DR. MARK LIANG DO
NPI 1649406430
Anesthesiology in Brooklyn, NY
About Dr. Mark Liang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK LIANG DO (NPI 1649406430) is an individual anesthesiology provider in Brooklyn, New York, licensed in New York (251757-1) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2005).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Dr. Mark Liang Do 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 Mark Liang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brooklyn, NY 11215
- Reassigned Medicare billing, New York enrollment
- 105 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.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYMedicare 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.
BROOKLYN, NY 11215
BROOKLYN, NY 11215
BROOKLYN, NY 11215
BROOKLYN, NY 11215
BROOKLYN, NY 11215
BROOKLYN, NY 11215
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 Mark Liang's NPI number?
The NPI number for Mark Liang is 1649406430. It was assigned to this individual provider in the NPPES registry on June 7, 2009.
Where is Mark Liang located?
Mark Liang practices at 506 6th Street Ny Methodist Hospital, Brooklyn, NY 11215. The listed phone number is (718) 780-3279.
What is Mark Liang's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Liang enrolled in Medicare?
Yes. Mark Liang 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 Mark Liang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Liang reassigns Medicare benefits to Park Slope Anesthesia Associates PC (Brooklyn, 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 Mark Liang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Liang affiliated with any hospitals?
According to CMS data, Mark Liang is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Mark Liang was last updated on October 27, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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. Mark Liang, DO · NPI 1649406430
Anesthesiology physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since June 7, 2009.
## Identity
- **NPI:** 1649406430 (Entity type: Individual)
- **Enumerated:** June 7, 2009
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 251757-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 506 6TH STREET, NY METHODIST HOSPITAL, Brooklyn, NY 11215
- **Phone:** (718) 780-3279
## 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:** Park Slope Anesthesia Associates PC (NPI 1760468698, Brooklyn, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2005
## Record status
- **NPPES last updated:** October 27, 2009
- **Other identifiers:** Medicaid 03139764 (NY); Other A400015476 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1649406430) · Data from the CMS NPPES public registry.