Tina L. Chang, MD
Hospitalist Physician · Redwood City, CA
Tina L. Chang, MD is a hospitalist physician with a practice address in Redwood City, California, and NPI 1255417770, issued on Oct 27, 2006. Check the license (California A72639, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tina L. Chang
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A72639 CA
Self-reported in NPPES; status is on the state search - Practice location
- 170 Alameda DE Las Pulgas, Redwood City, CA 94062
- Phone
- (650) 367-5659
- Enumerated
- Oct 27, 2006
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (650) 482-6163
- Medicaid ID
- 00A726390 CA
- Medicare enrollment
- Enrolled (PECOS I20110211000217); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 170 Alameda DE Las Pulgas
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah AbuseifHospitalist Physician1801281795
- David Adams, M.DEmergency Medicine Physician1891735643
- Michele AdkissonPerfusionist1831321447
- Jyothi Adsumilli, M.D.,Hospitalist Physician1245508159
- Ari AuwinitzkyPerfusionist1629585583
- Marjorie Berry Simon, LCSWClinical Social Worker1639477532
Verify Tina L. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A72639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average hospitalist physician in 2024
306 Medicare Part D claims for 185 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium21 claims
- Amlodipine Besylate12 claims
- Cefadroxil12 claims
- Cefpodoxime Proxetil11 claims
- Losartan Potassium11 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): 72 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).
Bills Medicare through one group practice
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tina L. Chang among 3,099 hospitalist physician records in California
Tina L. Chang, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1999 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Redwood City → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Sarah AbuseifRedwood City, CA 940621801281795
- Jyothi Adsumilli, M.D.,Redwood City, CA 940621245508159
- Michael Eiffert, MDRedwood City, CA 940621508878471
- Kristin Gershfield, MDRedwood City, CA 940621124030614
- Swati Mehta, MDRedwood City, CA 940621376709923
- Anamika Neralla, MDRedwood City, CA 940621437611522
- David Pusateri, MDRedwood City, CA 940621245242155
- Ernest Lau, MDRedwood City, CA 940631255419842
Common questions
What is Tina L. Chang, MD's NPI number?
Tina L. Chang, MD's National Provider Identifier (NPI) is 1255417770, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tina L. Chang, MD located?
The NPPES record lists a practice address at 170 Alameda DE Las Pulgas, Redwood City, CA, 94062. Phone: (650) 367-5659. Providers update this record themselves, so call before visiting.
How can I verify Tina L. Chang, MD's license?
NPPES lists California license number A72639, 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 Tina L. Chang, MD prescribe under Medicare Part D?
In 2024, Tina L. Chang, MD had 306 Medicare Part D claims for 185 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Tina L. Chang, MD's MIPS final score?
The 2023 MIPS final score is 72 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.