NPPES file of Aug 9, 2026

Reed Tingwei Liang, M.D.

Internal Medicine Physician · Redlands, CA

Reed Tingwei Liang, M.D. is an internal medicine physician with a practice address in Redlands, California, and NPI 1922204882, issued on Jun 26, 2007. Check the license (California A104811, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922204882
Name
Reed Tingwei Liang
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A104811 CA
Self-reported in NPPES; status is on the state search
Practice location
26001 Redlands Blvd, Redlands, CA 92373
Phone
(909) 825-7084
Enumerated
Jun 26, 2007
Record last updated
Apr 15, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 26001 Redlands Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Janis AcdanRegistered Nurse1356263222
  2. Ranea Al-TikritiRegistered Dietitian1265184717
  3. Sylvia Alayza-Novoa, RN,BSNRegistered Nurse1659200244
  4. Natasha AlsobrookClinical Social Worker1396474243
  5. Abby AmbrizSocial Worker1144622499
  6. Natalie Arias, FNP-CFamily Nurse Practitioner1205125002

Verify Reed Tingwei Liang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A104811
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

18 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Reed Liang18
  2. Specialty average3,176

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.

Reed Tingwei Liang among 17,696 internal medicine physician records in California

Reed Tingwei Liang, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 internal medicine physician records list a practice address in Redlands

They are 56 of the 2,498 NPPES records with a practice address in Redlands, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Charles Chen, M.D.Redlands, CA 923731124050463
  2. Jun Chiong, M.D., M.P.H.Redlands, CA 923731598730590
  3. Regan Douty, D.O.Redlands, CA 923731295766442
  4. Mamdooh Gayid, MDRedlands, CA 923731477554988
  5. Junku Kang, MDRedlands, CA 923731265474225
  6. Casey Kennedy, MDRedlands, CA 923731801839246
  7. Mohammad Osmani, MDRedlands, CA 923731568479483
  8. Moses Park, M.D.Redlands, CA 923731528079639

Common questions

What is Reed Tingwei Liang, M.D.'s NPI number?

Reed Tingwei Liang, M.D.'s National Provider Identifier (NPI) is 1922204882, issued on Jun 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Reed Tingwei Liang, M.D. located?

The NPPES record lists a practice address at 26001 Redlands Blvd, Redlands, CA, 92373. Phone: (909) 825-7084. Providers update this record themselves, so call before visiting.

How can I verify Reed Tingwei Liang, M.D.'s license?

NPPES lists California license number A104811, 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 Reed Tingwei Liang, M.D. prescribe under Medicare Part D?

In 2024, Reed Tingwei Liang, M.D. had 18 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.