Won Seok Cha
Family Medicine Physician · Citrus Heights, CA
Won Seok Cha is a family medicine physician with a practice address in Citrus Heights, California, and NPI 1174903140, issued on Jun 4, 2015. Check the license (California C186753, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Won Seok Cha
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C186753 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7551 Madison Ave, Citrus Heights, CA 95610
- Phone
- (916) 904-3000
- Enumerated
- Jun 4, 2015
- Record last updated
- Oct 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20230823004423); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2015
- Entity
- Type 1 · individual
Also registered at 7551 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dorrit Ahbel, MDOrthopaedic Surgery Physician1861477366
- Lucia Albu, PAPhysician Assistant1407323322
- Tyron Arnott, M.D.Internal Medicine Physician1639153513
- Timothy Beamesderfer, MDInternal Medicine Physician1649298704
- Alla Blinder, D.OInternal Medicine Physician1629383344
- Patricia Chen, MDInternal Medicine Physician1568447621
Verify Won Seok Cha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C186753Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average family medicine physician in 2024
1,151 Medicare Part D claims for 434 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 30 claims were for opioids.
Most prescribed
- Losartan Potassium56 claims
- Amlodipine Besylate36 claims
- Atorvastatin Calcium36 claims
- Gabapentin33 claims
- Levothyroxine Sodium33 claims
- Hydrochlorothiazide32 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
14 family medicine physician records list a practice address in Citrus Heights
They are 14 of the 1,479 NPPES records with a practice address in Citrus Heights, and 17,133 family medicine physician records in California.
All 14 in Citrus Heights → All 17,133 in California → Every provider in Citrus Heights →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Won Seok Cha's NPI number?
Won Seok Cha's National Provider Identifier (NPI) is 1174903140, issued on Jun 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Won Seok Cha located?
The NPPES record lists a practice address at 7551 Madison Ave, Citrus Heights, CA, 95610. Phone: (916) 904-3000. Providers update this record themselves, so call before visiting.
How can I verify Won Seok Cha's license?
NPPES lists California license number C186753, 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 Won Seok Cha prescribe under Medicare Part D?
In 2024, Won Seok Cha had 1,151 Medicare Part D claims for 434 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.