Grant T. Liu, MD
Neurology Physician · Philadelphia, PA
Grant T. Liu, MD is a neurology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1699709394, issued on Jul 10, 2006. Check the license (Pennsylvania MD048699L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Grant T. Liu
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- MD048699L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce St, Philadelphia, PA 19104
- Phone
- (215) 662-3606
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 18, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 0014207160003 PA
- Medicare enrollment
- Enrolled (PECOS I20100329000415); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1988
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 1,077 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Abbott, CRNPNurse Practitioner1396771689
- Michael Abboud, MDEmergency Medicine Physician1962820852
- Emily AbdelmessihPediatric Pharmacist1891612560
- Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
- Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
- Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973
Verify Grant T. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD048699LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average neurology physician in 2024
203 Medicare Part D claims for 38 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone60 claims
- Pyridostigmine Bromide49 claims
- Azathioprine39 claims
- Gabapentin16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $94.06
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grant T. Liu among 1,077 neurology physician records in Pennsylvania
Grant T. Liu, MD is one of 1,077 neurology physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1988 · median 2007 among the 727 with a school on file
- Record last updated2016 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Pennsylvania
There are 1,077 neurology physician records in Pennsylvania.
All 1,077 in Pennsylvania → Every provider in Philadelphia → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Laura Balcer, MDPhiladelphia, PA 191041902838121
- Charles Cantor, MDPhiladelphia, PA 191041225066244
- Harry Coslett, MDPhiladelphia, PA 191041326088329
- Joseph Dalmau, MDPhiladelphia, PA 191041376575506
- Ramon Diaz-Arrastia, MDPhiladelphia, PA 191041194785774
- Marc Dichter, MDPhiladelphia, PA 191041043242282
- Lauren Elman, MDPhiladelphia, PA 191041942231766
- Rollin Gallagher, MD MPHPhiladelphia, PA 191041932136835
Common questions
What is Grant T. Liu, MD's NPI number?
Grant T. Liu, MD's National Provider Identifier (NPI) is 1699709394, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grant T. Liu, MD located?
The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-3606. Providers update this record themselves, so call before visiting.
How can I verify Grant T. Liu, MD's license?
NPPES lists Pennsylvania license number MD048699L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grant T. Liu, MD prescribe under Medicare Part D?
In 2024, Grant T. Liu, MD had 203 Medicare Part D claims for 38 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Grant T. Liu, MD's MIPS final score?
The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.