William Angkadjaja, MD
Adult Medicine Physician · Redlands, CA
William Angkadjaja, MD is an adult medicine physician with a practice address in Redlands, California, and NPI 1871027722, issued on Apr 18, 2017. Check the license (California A156962, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Angkadjaja
- Credential
- MD
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- A156962 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1910 Orange Tree LN Ste 320, Redlands, CA 92374
- Phone
- (909) 793-2363
- Enumerated
- Apr 18, 2017
- Record last updated
- Jul 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200824002608); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 386 in California → Look up another NPI →
Verify William Angkadjaja in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A156962Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average adult medicine physician in 2024
5,572 Medicare Part D claims for 456 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium726 claims
- Amlodipine Besylate250 claims
- Folic Acid225 claims
- Levothyroxine Sodium225 claims
- Metformin Hcl197 claims
- Lisinopril187 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: $124.54
6 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 664 providers of this specialty with any payment received $1,405.95 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.
William Angkadjaja among 386 adult medicine physician records in California
William Angkadjaja, MD is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 75% of them.
- NPI issued2017 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2017 · median 2005 among the 187 with a school on file
- Record last updated2020 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in California
There are 386 adult medicine physician records in California.
All 386 in California → Every provider in Redlands → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- Stephanie Nguyen, D.O.Patton, CA 923691114033388
- Alan Ta, M.D.Patton, CA 923691801093489
- Lafayette Tylee, M.D.Victorville, CA 923951275612798
- Richelle Marracino, M.D.San Bernardino, CA 924071861602021
- Abigail Soto, MDSan Bernardino, CA 924101538592506
- Walker Felix, M.D.Colton, CA 923241760554893
- Mariela VentocillaTwentynine Palms, CA 922771972846756
- Nathan WilliamsThermal, CA 922741548345473
Common questions
What is William Angkadjaja, MD's NPI number?
William Angkadjaja, MD's National Provider Identifier (NPI) is 1871027722, issued on Apr 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is William Angkadjaja, MD located?
The NPPES record lists a practice address at 1910 Orange Tree LN Ste 320, Redlands, CA, 92374. Phone: (909) 793-2363. Providers update this record themselves, so call before visiting.
How can I verify William Angkadjaja, MD's license?
NPPES lists California license number A156962, 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 William Angkadjaja, MD prescribe under Medicare Part D?
In 2024, William Angkadjaja, MD had 5,572 Medicare Part D claims for 456 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.