Timothy Jang, MD
Infectious Disease Physician · Walnut Creek, CA
Timothy Jang, MD is an infectious disease physician with a practice address in Walnut Creek, California, and NPI 1801358775, issued on Apr 1, 2019. Check the license (California A196261, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy Jang
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A196261 CA
Self-reported in NPPES; status is on the state search - Practice location
- 365 Lennon LN Ste 200, Walnut Creek, CA 94598
- Phone
- (925) 947-2334
- Enumerated
- Apr 1, 2019
- Record last updated
- Dec 3, 2024
- Medicare enrollment
- Enrolled (PECOS I20240723001678); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 365 Lennon LN Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Silpa Jetty, MDInfectious Disease Physician1164050266
- Nimisha Mishra-Shukla, MDInfectious Disease Physician1487843942
- Szilvia Molitorisz, MDInfectious Disease Physician1295806289
- Esther Molnar, MDInfectious Disease Physician1831456896
- Maria Christina Pingol, RN, FNP-BCFamily Nurse Practitioner1235562380
- Stacy Welcome, P.A.-C.Physician Assistant1518060508
Verify Timothy Jang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A196261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average infectious disease physician in 2024
110 Medicare Part D claims for 24 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Biktarvy30 claims
- Atorvastatin Calcium15 claims
- Tivicay15 claims
- Symtuza13 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: $121.80
1 payment: food and beverage; the largest payer was La Jolla Pharmaceutical Company. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Bass Medical GroupWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Jang among 1,119 infectious disease physician records in California
Timothy Jang, MD is one of 1,119 infectious disease 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 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2003 among the 735 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Walnut Creek → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Jorge Bernett, M.D.Walnut Creek, CA 945981366460081
- Peter Binstock, M.D.Walnut Creek, CA 945981487686838
- Devin Callister, M.D.Walnut Creek, CA 945981376856757
- Jennifer Cheng, D.O.Walnut Creek, CA 945981669791612
- Bela Chheda, M.D.Walnut Creek, CA 945981790717049
- Bhavna Malik, MDWalnut Creek, CA 945981437231537
- Nimisha Mishra-Shukla, MDWalnut Creek, CA 945981487843942
- Szilvia Molitorisz, MDWalnut Creek, CA 945981295806289
Common questions
What is Timothy Jang, MD's NPI number?
Timothy Jang, MD's National Provider Identifier (NPI) is 1801358775, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Jang, MD located?
The NPPES record lists a practice address at 365 Lennon LN Ste 200, Walnut Creek, CA, 94598. Phone: (925) 947-2334. Providers update this record themselves, so call before visiting.
How can I verify Timothy Jang, MD's license?
NPPES lists California license number A196261, 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 Timothy Jang, MD prescribe under Medicare Part D?
In 2024, Timothy Jang, MD had 110 Medicare Part D claims for 24 beneficiaries; the average among infectious disease physician prescribers was 689. 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.