Regina Ng, MD
Internal Medicine Physician · Bakersfield, CA
Regina Ng, MD is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1437247384, issued on Oct 10, 2006. Check the license (California A75280, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Regina Ng
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A75280 CA
DEABN7485647 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3501 Stockdale Hwy, Bakersfield, CA 93309
- Phone
- (877) 524-7373
- Enumerated
- Oct 10, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050720001063); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3501 Stockdale Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Regina Ng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A75280Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average internal medicine physician in 2024
3,624 Medicare Part D claims for 386 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 231 claims were for opioids.
Most prescribed
- Atorvastatin Calcium251 claims
- Amlodipine Besylate157 claims
- Ozempic139 claims
- Levothyroxine Sodium137 claims
- Losartan Potassium134 claims
- Lisinopril124 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 GroupBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Regina Ng among 17,696 internal medicine physician records in California
Regina Ng, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1999 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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).
214 internal medicine physician records list a practice address in Bakersfield
They are 214 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bakersfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Thin Han, M.D.Bakersfield, CA 933091356319826
- Joseph Hayes, D.O.Bakersfield, CA 933091083681498
- Rusong Huang, MDBakersfield, CA 933091598767949
- Ju Hwan Lee, MDBakersfield, CA 933091619969847
- Mark Lin, MDBakersfield, CA 933091528050754
Common questions
What is Regina Ng, MD's NPI number?
Regina Ng, MD's National Provider Identifier (NPI) is 1437247384, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Regina Ng, MD located?
The NPPES record lists a practice address at 3501 Stockdale Hwy, Bakersfield, CA, 93309. Phone: (877) 524-7373. Providers update this record themselves, so call before visiting.
How can I verify Regina Ng, MD's license?
NPPES lists California license number A75280, 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 Regina Ng, MD prescribe under Medicare Part D?
In 2024, Regina Ng, MD had 3,624 Medicare Part D claims for 386 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.