NPPES file of Aug 9, 2026

Doris Yung, MD

Internal Medicine Physician · Ramona, CA

Doris Yung, MD is an internal medicine physician with a practice address in Ramona, California, and NPI 1730386863, issued on Jul 2, 2007. Check the license (California 89893, 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
1730386863
Name
Doris Yung
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
89893 CA
A89893 CA
Self-reported in NPPES; status is on the state search
Practice location
217 Earlham St, Ramona, CA 92065
Phone
(760) 789-1223
Enumerated
Jul 2, 2007
Record last updated
Feb 27, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(760) 789-3152
Medicare enrollment
Enrolled (PECOS I20071027000073); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 217 Earlham St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aaron Lehman, M.D.Internal Medicine Physician1184638090
  2. Roberta Schutz, LCSWClinical Social Worker1578746517
  3. Joanna YanezCase Manager/Care Coordinator1316149024

Verify Doris Yung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 89893
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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23% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,430 Medicare Part D claims for 134 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 40 claims were for opioids.

  1. Doris Yung2,430
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium219 claims
  2. Ozempic121 claims
  3. Albuterol Sulfate Hfa111 claims
  4. Gabapentin99 claims
  5. Lisinopril97 claims
  6. Fluticasone Propionate76 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: $235.06

12 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Doris Yung$235.06
  2. Specialty average$1,303.06

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

  1. North County Health Project, Inc.San Marcos, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Doris Yung among 17,696 internal medicine physician records in California

Doris Yung, MD 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 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2003 · median 2004 among the 11,065 with a school on file
  • Record last updated2008 · 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).

5 internal medicine physician records list a practice address in Ramona

They are 5 of the 218 NPPES records with a practice address in Ramona, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lysa Ho, DORamona, CA 920651821494337
  2. Aaron Lehman, M.D.Ramona, CA 920651184638090
  3. Deepti Mundkur, MBBSRamona, CA 920651629431077
  4. Robert Zgliniec, MDRamona, CA 920651063488161
  5. Hassan Alsabbak, M.D.Poway, CA 920641851705396
  6. Charlotte BrandtPoway, CA 920641528664604
  7. Amanda Caparso, D.O.Poway, CA 920641003046004
  8. Aeria Chang, M.D.Poway, CA 920641205996964

Common questions

What is Doris Yung, MD's NPI number?

Doris Yung, MD's National Provider Identifier (NPI) is 1730386863, issued on Jul 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Doris Yung, MD located?

The NPPES record lists a practice address at 217 Earlham St, Ramona, CA, 92065. Phone: (760) 789-1223. Providers update this record themselves, so call before visiting.

How can I verify Doris Yung, MD's license?

NPPES lists California license number 89893, 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 Doris Yung, MD prescribe under Medicare Part D?

In 2024, Doris Yung, MD had 2,430 Medicare Part D claims for 134 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.