Richard B. D. Chun, M.D.
Gastroenterology Physician · Citrus Heights, CA
Richard B. D. Chun, M.D. is a gastroenterology physician with a practice address in Citrus Heights, California, and NPI 1003818055, issued on Jun 2, 2005. Check the license (California C28231, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard B. D. Chun
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- C28231 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7777 Sunrise Blvd Ste 2500, Citrus Heights, CA 95610
- Phone
- (916) 737-5555
- Enumerated
- Jun 2, 2005
- Record last updated
- Dec 21, 2022
- Fax
- (916) 880-5430
- Medicaid ID
- 00C282310 CA
- Medicare enrollment
- Enrolled (PECOS I20101122001233); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1959
- Entity
- Type 1 · individual
Also registered at 7777 Sunrise Blvd Ste 2500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kulvinder Boparai, M.D.Internal Medicine Physician1669401386
- Priyadharshini Narayanan, MDInternal Medicine Physician1205178506
- Anna PetrikPhysician Assistant1417261165
Verify Richard B. D. Chun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C28231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average gastroenterology physician in 2024
4,172 Medicare Part D claims for 498 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium308 claims
- Lisinopril199 claims
- Metformin Hcl191 claims
- Amlodipine Besylate161 claims
- Albuterol Sulfate Hfa137 claims
- Gabapentin136 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: $51.45
2 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Wellspace HealthCitrus Heights, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Citrus Heights →
Other gastroenterology physician records in California
- David Aarons, MDLodi, CA1619081379
- Constante Abaya, MDOxnard, CA1003918459
- Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
- Basim Abdelkarim, MDUpland, CA1932217544
- Homan Abdollahzadeh, MDPalm Springs, CA1184634826
- John Abdulian, M.D.Fresno, CA1437114113
- Hussein Abidali, DORancho Cucamonga, CA1205274768
- Alaa Abousaif, MDOrange, CA1235124108
- Donald Abrahm, M.D.Newport Beach, CA1215022405
- Maria Abreu, M.D.West Hollywood, CA1598793374
Common questions
What is Richard B. D. Chun, M.D.'s NPI number?
Richard B. D. Chun, M.D.'s National Provider Identifier (NPI) is 1003818055, issued on Jun 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Richard B. D. Chun, M.D. located?
The NPPES record lists a practice address at 7777 Sunrise Blvd Ste 2500, Citrus Heights, CA, 95610. Phone: (916) 737-5555. Providers update this record themselves, so call before visiting.
How can I verify Richard B. D. Chun, M.D.'s license?
NPPES lists California license number C28231, 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 Richard B. D. Chun, M.D. prescribe under Medicare Part D?
In 2024, Richard B. D. Chun, M.D. had 4,172 Medicare Part D claims for 498 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.