NPPES file of Aug 9, 2026

Liteh Chang, MD

Internal Medicine Physician · Mountain View, CA

Liteh Chang, MD is an internal medicine physician with a practice address in Mountain View, California, and NPI 1255418190, issued on Oct 31, 2006. Check the license (California A85748, 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
1255418190
Name
Liteh Chang
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A85748 CA
Self-reported in NPPES; status is on the state search
Practice location
555 Castro St, Mountain View, CA 94041
Phone
(650) 903-3000
Enumerated
Oct 31, 2006
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A857480 CA
Medicare enrollment
Enrolled (PECOS I20051005000655); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2002
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 555 Castro St

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

  1. Michael Adey, O.D.Corneal and Contact Management Optometrist1427108026
  2. Selina Akhtar, RPHPharmacist1235664954
  3. Jordan Arora, M.D.Obstetrics & Gynecology Physician1952544868
  4. Andrea Aslan, MDObstetrics & Gynecology Physician1104903046
  5. Cheryl Branson, MDObstetrics & Gynecology Physician1811074768
  6. Danael Caywood, RNPFamily Nurse Practitioner1285744631

Verify Liteh Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A85748
    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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39% more Medicare Part D claims than the average internal medicine physician in 2024

4,403 Medicare Part D claims for 571 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 47 claims were for opioids.

  1. Liteh Chang4,403
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium421 claims
  2. Lisinopril238 claims
  3. Amlodipine Besylate220 claims
  4. Losartan Potassium159 claims
  5. Simvastatin150 claims
  6. Hydrochlorothiazide130 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncMountain View, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Liteh Chang among 17,696 internal medicine physician records in California

Liteh Chang, MD 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 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).

119 internal medicine physician records list a practice address in Mountain View

They are 119 of the 2,467 NPPES records with a practice address in Mountain View, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Arleen Chang, MDMountain View, CA 940411679650501
  2. Karunasree Cherukuri, MDMountain View, CA 940411831276781
  3. Sandy Chun, MDMountain View, CA 940411144307083
  4. Sonali Gotmare, MDMountain View, CA 940411346327285
  5. George Greenwald, MDMountain View, CA 940411952451767
  6. Hong Gu, MDMountain View, CA 940411205908027
  7. Susie Jang, MDMountain View, CA 940411871554022
  8. Alfred Lerner, MDMountain View, CA 940411447337399

Common questions

What is Liteh Chang, MD's NPI number?

Liteh Chang, MD's National Provider Identifier (NPI) is 1255418190, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Liteh Chang, MD located?

The NPPES record lists a practice address at 555 Castro St, Mountain View, CA, 94041. Phone: (650) 903-3000. Providers update this record themselves, so call before visiting.

How can I verify Liteh Chang, MD's license?

NPPES lists California license number A85748, 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 Liteh Chang, MD prescribe under Medicare Part D?

In 2024, Liteh Chang, MD had 4,403 Medicare Part D claims for 571 beneficiaries; 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.