Whitney Ngo
Internal Medicine Physician · Rancho Mission Viejo, CA
Whitney Ngo is an internal medicine physician with a practice address in Rancho Mission Viejo, California, and NPI 1497405112, issued on Mar 25, 2022. Check the license (California 20A21838, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Whitney Ngo
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A21838 CA
Self-reported in NPPES; status is on the state search - Practice location
- 30492 Gateway PL Ste 110, Rancho Mission Viejo, CA 92694
- Phone
- (949) 542-7700
- Enumerated
- Mar 25, 2022
- Record last updated
- Sep 17, 2025
- Fax
- (949) 361-8163
- Medicare enrollment
- Enrolled (PECOS I20251002002686); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 30492 Gateway PL Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ian Bare, M.DFamily Medicine Physician1700827326
- Candace Basich, M.D.Family Medicine Physician1356596092
- Anthony Cho, M.D.Family Medicine Physician1346496494
- Parastoo Faraz-Eslami, M.D.Obstetrics & Gynecology Physician1245328889
- Torrey Halbert, DOObstetrics & Gynecology Physician1659990679
- Ekta Patel, MDFamily Medicine Physician1295230910
Verify Whitney Ngo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
306 Medicare Part D claims for 90 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium28 claims
- Jardiance19 claims
- Amlodipine Besylate16 claims
- Losartan Potassium12 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: $314.79
3 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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.
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
- Memorialcare Medical FoundationRancho Santa Margarita, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Whitney Ngo among 17,696 internal medicine physician records in California
Whitney Ngo 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 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2022 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
1 internal medicine physician record lists a practice address in Rancho Mission Viejo
They are 1 of the 55 NPPES records with a practice address in Rancho Mission Viejo, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Rancho Mission Viejo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Raef Elsanadi, MDLadera Ranch, CA 926941487744819
- Adrienne Drake, MDMission Viejo, CA 926921609207802
- Richard Ulene, M.D.Mission Viejo, CA 926921457488264
- Farnoosh Yari, M.D.Mission Viejo, CA 926921972164895
- Saba Akhtar, M.DMission Viejo, CA 926911104112440
- Eric Benner, M.D.Mission Viejo, CA 926911063648343
- Terese Bergheim, M.D.Irvine, CA 926971194146688
- Vrinda Bhasin, M.D.Mission Viejo, CA 926911740660133
Common questions
What is Whitney Ngo's NPI number?
Whitney Ngo's National Provider Identifier (NPI) is 1497405112, issued on Mar 25, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Whitney Ngo located?
The NPPES record lists a practice address at 30492 Gateway PL Ste 110, Rancho Mission Viejo, CA, 92694. Phone: (949) 542-7700. Providers update this record themselves, so call before visiting.
How can I verify Whitney Ngo's license?
NPPES lists California license number 20A21838, 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 Whitney Ngo prescribe under Medicare Part D?
In 2024, Whitney Ngo had 306 Medicare Part D claims for 90 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.