Dr. Rachel J. Chiang, MD
- Part D claims, 2024
- 2,616
- Hospital affiliations
- 1
- Industry payments
- $56
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chiang's professional email, personal email and mobile number
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Dr. Rachel J. Chiang is an internist in Riverside, California
Dr. Chiang practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Chiang's NPI, 1043368921, was assigned on January 8, 2007. Dr. Chiang graduated from Loma Linda University School Of Medicine in 1997. Dr. Chiang holds California license A67943.
- NPI
- 1043368921NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163570144
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rachel J. Chiang practices at Riverside Medical Center in Riverside, California
Dr. Chiang's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. Rachel J. Chiang is affiliated with 1 site of care and 1 medical group
Dr. Chiang's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rachel J. Chiang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rachel J. Chiang is one of 16,751 internists in California
Internal medicine is Dr. Chiang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chiang is board certified in internal medicine by the American Board of Internal Medicine. Dr. Chiang is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Chiang
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. Rachel J. Chiang's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Chiang's median patient age at 58, with 75% women.
Dr. Chiang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Dr. Rachel J. Chiang wrote 2,616 Medicare Part D claims in 2024
In 2024, Dr. Chiang wrote 2,616 Medicare Part D claims for 292 patients. 90% of them were for generic drugs. CMS names the drug for 2,193 of them, across 56 drugs with 11 or more claims each, at $75,100 in total drug cost. In 2023, CMS named 2,123 claims across 57 drugs.
Dr. Chiang's Part D claims by kind of drug, 2024
- Generic2,361 claims90%
- Brand-name233 claims9%
- Other22 claims1%
Dr. Chiang'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. Chiang's Part D claims, 2024
- Opioids4%108 of 2,616 claims
- Antibiotics2%51 of 2,616 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: 2,1232024: 2,1933%
Drugs named by CMS: 56 in 2024, 57 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. Rachel J. Chiang takes part in Medicare
Dr. Chiang 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. Rachel J. Chiang received $56 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Chiang from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $56.
Companies that paid Dr. Chiang the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rachel J. Chiang has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Chiang, most recently NCQA HSRP in 2013.
Awards and honors for Dr. Chiang
- 2013
- NCQA HSRP
- 2012
- NCQA DRP
- 2010
- Bridges to Excellence
Source: Dmand AI Professional Profile Data
Dr. Rachel J. Chiang graduated from Loma Linda University School Of Medicine
Dr. Chiang graduated from Loma Linda University School Of Medicine in 1997.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Rachel J. Chiang accepts plans from 2 insurance carriers
Dr. Chiang is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Chiang accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Rachel J. Chiang'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Rachel J. Chiang
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. Rachel J. Chiang's NPI number?
Dr. Rachel J. Chiang's NPI number is 1043368921. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Rachel J. Chiang?
Dr. Rachel J. Chiang is an internist in Riverside, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Rachel J. Chiang practice?
Dr. Chiang practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Chiang's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
What is Dr. Rachel J. Chiang's office phone number?
The practice phone on file for Dr. Chiang is (951) 353-2000.
What is Dr. Rachel J. Chiang's medical license number?
Dr. Chiang holds California license A67943.
Which hospitals is Dr. Rachel J. Chiang affiliated with?
Dr. Chiang practices at Riverside Medical Center in Riverside, California.
What medical group is Dr. Rachel J. Chiang part of?
Dr. Chiang is linked to Southern California Permanente Medical Group.
Does Dr. Rachel J. Chiang accept Medicare?
Yes. CMS lists Dr. Chiang as accepting Medicare assignment.
Is Dr. Rachel J. Chiang board certified?
Yes. Dr. Chiang is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Rachel J. Chiang go to medical school?
Dr. Chiang graduated from Loma Linda University School Of Medicine in 1997.
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What drugs does Dr. Rachel J. Chiang prescribe most?
In 2024 Medicare Part D data, Dr. Chiang's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Rosuvastatin Calcium.
Has Dr. Rachel J. Chiang received payments from drug or device companies?
CMS Open Payments shows $56 in general payments to Dr. Chiang from 1 company from 2019 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Rachel J. Chiang been practicing?
Dr. Chiang graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Rachel J. Chiang accept?
Dr. Chiang is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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