Pei S. Liu, MD
Neurology Physician · Redlands, CA
Pei S. Liu, MD is a neurology physician with a practice address in Redlands, California, and NPI 1003234550, issued on Apr 2, 2014. Check the license (California A139170, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pei S. Liu
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A139170 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1839 W Redlands Blvd, Redlands, CA 92373
- Phone
- (951) 785-7190
- Enumerated
- Apr 2, 2014
- Record last updated
- Sep 9, 2022
- Fax
- (951) 688-7246
- Medicare enrollment
- Enrolled (PECOS I20190724003343); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Verify Pei S. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A139170Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average neurology physician in 2024
980 Medicare Part D claims for 190 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Carbidopa-Levodopa115 claims
- Donepezil Hcl75 claims
- Clonazepam67 claims
- Amantadine55 claims
- Levetiracetam55 claims
- Gabapentin51 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.
Industry payments in 2024: $611.17
33 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Baldev S Rai MD IncRedlands, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pei S. Liu among 2,339 neurology physician records in California
Pei S. Liu, MD is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2014 · median 2006 among the 1,628 with a school on file
- Record last updated2022 · 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Redlands → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Kenneth Jordan, MDRedlands, CA 923741477537116
- Lisa Sovory, M.D.Redlands, CA 923741306843677
- Chinh Pham, M.D.Patton, CA 923691154385540
- Jason Thomas, MDPatton, CA 923691043306202
- Esther Byun, M.D., MS, MPHLoma Linda, CA 923571770750531
- Dorothee ColeLoma Linda, CA 923571871604413
- Zahra Behrooj, DOLoma Linda, CA 923541265001309
- Mark Edwards, MDLoma Linda, CA 923541790246189
Common questions
What is Pei S. Liu, MD's NPI number?
Pei S. Liu, MD's National Provider Identifier (NPI) is 1003234550, issued on Apr 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Pei S. Liu, MD located?
The NPPES record lists a practice address at 1839 W Redlands Blvd, Redlands, CA, 92373. Phone: (951) 785-7190. Providers update this record themselves, so call before visiting.
How can I verify Pei S. Liu, MD's license?
NPPES lists California license number A139170, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Pei S. Liu, MD prescribe under Medicare Part D?
In 2024, Pei S. Liu, MD had 980 Medicare Part D claims for 190 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.