Gastroenterology
Dr. Robert Yang, MD
- Medicare services, 2024
- 1,768
- Medicare patients, 2024
- 229
- Part D claims, 2024
- 1,358
- Publications
- 3
- Hospital affiliations
- 2
- Practice address
- 2101 N Waterman Ave, San Bernardino, CA 92404
- Practice phone
- Call (909) 883-8711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Yang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert Yang is an internist in San Bernardino, California
Dr. Yang practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health.
Dr. Yang's NPI, 1619043163, was assigned on November 27, 2006. Dr. Yang graduated from SUNY Downstate Health Sciences University in 1996. Dr. Yang holds California license A64133.
- NPI
- 1619043163NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456345172
- NPI enumeration date
- November 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 883-8711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Yang practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California
Dr. Yang's primary practice is Dignity Health - St. Bernardine Medical Center, at 2101 N Waterman Ave, San Bernardino, CA 92404 in San Bernardino County. The practice phone is (909) 883-8711.
- Dignity Health - St. Bernardine Medical Center2101 N Waterman Ave, San Bernardino, CA 92404 · San Bernardino CountyPhone(909) 883-8711
Source: Dmand AI Affiliation Data
Dr. Robert Yang is affiliated with 3 sites of care
Dr. Yang's primary practice is Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health. Dr. Yang is also affiliated with Dignity Health - Community Hospital of San Bernardino. Dmand AI also links Dr. Yang to 1 more physician office, named with a free account. Dr. Yang's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - St. Bernardine Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Yang is one of 16,751 internists in California
Internal medicine is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yang is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, anemia, atrial fibrillation and flutter, bile duct problems, cellulitis, chest pain and chronic diabetes among the conditions Dr. Yang treats.
Internists near Dr. Yang
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Yang billed Medicare for 1,768 services in 2024
CMS data shows 1,768 Medicare services from Dr. Yang across 6 procedure codes in 2024, for 229 Medicare patients. Medicare paid $171,901 for them.
Dr. Yang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,1832024: 1,76819%
Where Dr. Yang's Medicare services took place, 2024
- In an office975%
- In a facility1,67195%
Dr. Yang compared with the California median for internists, 2024
- Dr. Yang
- California median
- Medicare services
- 1,768vs 3614.9 times
- Medicare patients
- 229vs 15152% above
- Part D claims
- 1,013vs 4212.4 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Yang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Yang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yang and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Yang treated 229 Medicare patients in 2024, average age 72
CMS counts 229 Medicare patients who saw Dr. Yang in 2024. The largest group is 65 to 74, with 89 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 86% are also on Medicaid. Their average risk score is 3.42, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 66, with 50% women.
Dr. Yang's Medicare patients by age, 2024
Dr. Yang's Medicare patients by sex, 2024
- Women12555%
- Men10445%
Chronic conditions among Dr. Yang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Diabetes62%
- Heart failure55%
- Arthritis53%
- COPD49%
- Chronic kidney disease48%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Yang wrote 1,358 Medicare Part D claims in 2024
In 2024, Dr. Yang wrote 1,358 Medicare Part D claims for 336 patients. 80% of them were for generic drugs. CMS names the drug for 1,013 of them, across 35 drugs with 11 or more claims each, at $76,596 in total drug cost. In 2023, CMS named 1,591 claims across 50 drugs.
Dr. Yang's Part D claims by kind of drug, 2024
- Generic1,088 claims80%
- Brand-name253 claims19%
- Other17 claims1%
Dr. Yang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Yang's Part D claims, 2024
- Opioids6%81 of 1,358 claims
- Antibiotics17%237 of 1,358 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5912024: 1,01336%
Drugs named by CMS: 35 in 2024, 50 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Robert Yang takes part in Medicare
Dr. Yang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Robert Yang has 3 publications on record
Dmand AI links 3 papers to Dr. Yang, published from 2020 to 2023. The most frequent topics are Biomarkers, Tumor, Carcinoma, Pancreatic Ductal and Pancreatic Neoplasms. Dr. Yang's most frequent co-author is Cesar M. Castro, MD, MS.
Topics Dr. Yang writes about most
- Biomarkers, Tumor
- Carcinoma, Pancreatic Ductal
- Pancreatic Neoplasms
Dr. Yang's most frequent co-authors
Recent publications by Dr. Yang
Sci Transl Med
See who Dr. Yang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yang works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Yang received $3,237 in industry payments from 2016 to 2022
CMS Open Payments shows 168 general payments to Dr. Yang from 22 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $487.
General payments to Dr. Yang by program year, 2016 to 2022
General payments to Dr. Yang by kind, 2016 to 2022
- Food and beverage$3,21099%
- Education$271%
Companies that paid Dr. Yang the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Yang graduated from SUNY Downstate Health Sciences University
Dr. Yang graduated from SUNY Downstate Health Sciences University in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Robert Yang accepts plans from 3 insurance carriers
Dr. Yang is in network with 3 carriers, including Elevance, CMS Medicare and Molina. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Elevance
- CMS Medicare
- Molina
Plan types Dr. Yang accepts, by number of carriers
- Medicare3
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Yang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Yang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert Yang's NPI number?
Dr. Robert Yang's NPI number is 1619043163. It was assigned on November 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Yang?
Dr. Robert Yang is an internist in San Bernardino, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Yang practice?
Dr. Yang practices at 2101 N Waterman Ave, San Bernardino, CA 92404. Dr. Yang's primary practice is Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health. Dmand AI also links Dr. Yang to 1 physician office.
What is Dr. Robert Yang's office phone number?
The practice phone on file for Dr. Yang is (909) 883-8711.
What is Dr. Robert Yang's medical license number?
Dr. Yang holds California license A64133.
Which hospitals is Dr. Robert Yang affiliated with?
Dr. Yang practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California. Dr. Yang is also affiliated with Dignity Health - Community Hospital of San Bernardino.
Does Dr. Robert Yang accept Medicare?
Yes. CMS data shows Dr. Yang billed Medicare for 1,768 services in 2024, and Dr. Yang accepts Medicare assignment.
How many Medicare patients does Dr. Robert Yang see?
CMS counts 229 Medicare patients who saw Dr. Yang in 2024, with an average age of 72.
What services does Dr. Robert Yang bill to Medicare?
In 2024, Dr. Yang's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
Where did Dr. Robert Yang go to medical school?
Dr. Yang graduated from SUNY Downstate Health Sciences University in 1996.
Show 6 more questionsShow fewer questions
What drugs does Dr. Robert Yang prescribe most?
In 2024 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Furosemide, Cefdinir and Hydrocodone-Acetaminophen.
Has Dr. Robert Yang received payments from drug or device companies?
CMS Open Payments shows $3,237 in general payments to Dr. Yang from 22 companies from 2016 to 2022. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Robert Yang been practicing?
Dr. Yang graduated from medical school in 1996, 30 years ago.
Does Dr. Robert Yang do research?
Dmand AI links 3 publications to Dr. Yang, published from 2020 to 2023.
Who does Dr. Robert Yang publish with?
Dr. Yang's most frequent co-authors are Cesar M. Castro, MD, MS (1 shared paper).
What insurance does Dr. Robert Yang accept?
Dr. Yang is in network with 3 carriers, including Elevance, CMS Medicare and Molina. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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