GRANT T LIU MD
NPI 1699709394
Psychiatry & Neurology - Neurology in Philadelphia, PA
About Grant T Liu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRANT T LIU MD (NPI 1699709394) is an individual neurology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD048699L) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Columbia University College Of Physicians And Surgeons (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
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
Grant T Liu 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
2Medicare enrollment records show Grant Liu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 clinicians in this Medicare group
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 178 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.
Hospital Of Univ Of Pennsylvania
Acute Care Hospitals · Philadelphia, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
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.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Grant Liu's NPI number?
The NPI number for Grant Liu is 1699709394. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Grant Liu located?
Grant Liu practices at 3400 Spruce St 2 Ravdin Building, Philadelphia, PA 19104. The listed phone number is (215) 662-3606.
What is Grant Liu's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Grant Liu enrolled in Medicare?
Yes. Grant Liu 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 Grant Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grant Liu reassigns Medicare benefits to 2 organizations: University Of Penn-Medical Group (Philadelphia, PA) and Children's Surgical Associates Ltd (Philadelphia, PA). 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 Grant Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grant Liu accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Grant Liu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Grant Liu affiliated with any hospitals?
According to CMS data, Grant Liu is affiliated with Hospital Of Univ Of Pennsylvania.
When was this NPI record last updated?
The NPPES record for Grant Liu was last updated on July 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Grant T Liu, MD · NPI 1699709394
Neurology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1699709394 (Entity type: Individual)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** MD048699L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3400 SPRUCE ST, 2 RAVDIN BUILDING, Philadelphia, PA 19104
- **Phone:** (215) 662-3606
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Penn-Medical Group (NPI 1073902169, Philadelphia, PA); Children's Surgical Associates Ltd (NPI 1003985854, Philadelphia, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1988
## Record status
- **NPPES last updated:** July 18, 2016
- **Other identifiers:** Medicare UPIN E71906 (PA); Medicare PIN 742399 (PA); Medicaid 0014207160003 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1699709394) · Data from the CMS NPPES public registry.