Haejung Yoon, MD
Pediatrics Physician · Alameda, CA
Haejung Yoon, MD is a pediatrics physician with a practice address in Alameda, California, and NPI 1598094534, issued on Dec 22, 2009. Check the license (California A 109233, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Haejung Yoon
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A 109233 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1332 Park St, Alameda, CA 94501
- Phone
- (510) 523-3417
- Enumerated
- Dec 22, 2009
- Record last updated
- Dec 22, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1332 Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gloria Alcala, MDPediatrics Physician1215989009
- Penny Harris, M.D.Pediatrics Physician1528056850
- Barbara Parker, M.D.Pediatrics Physician1235128919
Verify Haejung Yoon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A 109233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18 pediatrics physician records list a practice address in Alameda
They are 18 of the 2,492 NPPES records with a practice address in Alameda, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 18 in Alameda → All 9,272 in California → Every provider in Alameda →
Other pediatrics physician records in California
- Subha Aahlad, M.D.Foster City, CA1780610253
- Rebecca Aaronson, MDPanorama City, CA1487746814
- Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
- Michelle Abajian, MDLa Canada, CA1619176757
- Joseph Abapo, MDRiverside, CA1841348786
- Zvart Abaryan, MDLos Angeles, CA1154940849
- Lauren Abbas, MDLos Angeles, CA1982163796
- Attia Abbasi, M.D.Auburn, CA1922027127
- Denise AbbasiParadise, CA1770062341
- Alexandra Abbott, MDPalo Alto, CA1760018675
Common questions
What is Haejung Yoon, MD's NPI number?
Haejung Yoon, MD's National Provider Identifier (NPI) is 1598094534, issued on Dec 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Haejung Yoon, MD located?
The NPPES record lists a practice address at 1332 Park St, Alameda, CA, 94501. Phone: (510) 523-3417. Providers update this record themselves, so call before visiting.
How can I verify Haejung Yoon, MD's license?
NPPES lists California license number A 109233, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.