NPPES file of Aug 9, 2026

Jennifer Da Hyun Yoo, DO

Internal Medicine Physician · Milpitas, CA

Jennifer Da Hyun Yoo, DO is an internal medicine physician with a practice address in Milpitas, California, and NPI 1275235236, issued on Mar 21, 2023. Check the license (California 20A25248, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275235236
Name
Jennifer Da Hyun Yoo
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A25248 CA
Self-reported in NPPES; status is on the state search
Practice location
770 E Calaveras Blvd # CA, Milpitas, CA 95035
Phone
(408) 945-2900
Enumerated
Mar 21, 2023
Record last updated
Jul 26, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Jennifer Da Hyun Yoo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A25248
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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85% fewer Medicare Part D claims than the average internal medicine physician in 2024

478 Medicare Part D claims for 79 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Jennifer Yoo478
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium41 claims
  2. Carvedilol26 claims
  3. Duloxetine Hcl20 claims
  4. Sertraline Hcl20 claims
  5. Amlodipine Besylate18 claims
  6. Metformin Hcl18 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.

Jennifer Da Hyun Yoo among 17,696 internal medicine physician records in California

Jennifer Da Hyun Yoo, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.

  • NPI issued2023 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

41 internal medicine physician records list a practice address in Milpitas

They are 41 of the 878 NPPES records with a practice address in Milpitas, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mayssoun Alhariri, MDMilpitas, CA 950351427135375
  2. Tina Cheng, MDMilpitas, CA 950351548347479
  3. Audrey Ellis, MDMilpitas, CA 950351629155577
  4. Kamal Hijazi, MDMilpitas, CA 950351558448480
  5. Thuy Huynh, MDMilpitas, CA 950351982711495
  6. Jayashree Joshi, M.D.Milpitas, CA 950351720066426
  7. Bill Jue, MDMilpitas, CA 950351902983844
  8. Richard Luu, MDMilpitas, CA 950351316024250

Common questions

What is Jennifer Da Hyun Yoo, DO's NPI number?

Jennifer Da Hyun Yoo, DO's National Provider Identifier (NPI) is 1275235236, issued on Mar 21, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Da Hyun Yoo, DO located?

The NPPES record lists a practice address at 770 E Calaveras Blvd # CA, Milpitas, CA, 95035. Phone: (408) 945-2900. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Da Hyun Yoo, DO's license?

NPPES lists California license number 20A25248, 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 Jennifer Da Hyun Yoo, DO prescribe under Medicare Part D?

In 2024, Jennifer Da Hyun Yoo, DO had 478 Medicare Part D claims for 79 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.