Rachel Ng
Internal Medicine Physician · San Francisco, CA
Rachel Ng is an internal medicine physician with a practice address in San Francisco, California, and NPI 1235367681, issued on Jun 24, 2009. Check the license (California A114301, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rachel Ng
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A114301 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4131 Geary Blvd, San Francisco, CA 94118
- Phone
- (415) 833-2000
- Enumerated
- Jun 24, 2009
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4131 Geary Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michele BittnerOccupational Therapist1962562280
- Yuliya BlyakherovaPharmacist1467811711
- Kimberly Boigon, PHYSICAL THERAPISTPhysical Therapist1790831980
- Karen Chan-Lee, B.S.PHARM.Pharmacist1881770980
- Erin Chang, PHARMDAmbulatory Care Pharmacist1992084545
- Gilbert Cheu, PHARM.D.Pharmacist1508959313
Verify Rachel Ng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A114301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,149 Medicare Part D claims for 227 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 277 claims were for opioids.
Most prescribed
- Atorvastatin Calcium609 claims
- Amlodipine Besylate434 claims
- Gabapentin371 claims
- Famotidine341 claims
- Metoprolol Tartrate269 claims
- Lisinopril209 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.
Rachel Ng among 17,696 internal medicine physician records in California
Rachel Ng 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nikola Bukurov, M.D.San Francisco, CA 941181861423279
- Lee Tat Chan, M.D.San Francisco, CA 941181992728414
- Randolph Chase, M.D.San Francisco, CA 941181063428225
- Catherine Collins, M.D.San Francisco, CA 941181346265790
- Robert Dobrow, MDSan Francisco, CA 941181356336051
- Joyce Hansen, M.D.San Francisco, CA 941181639190085
- Karen Khoo, MDSan Francisco, CA 941181629031430
- Eric Kwok, M.D.San Francisco, CA 941181447231618
Common questions
What is Rachel Ng's NPI number?
Rachel Ng's National Provider Identifier (NPI) is 1235367681, issued on Jun 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Ng located?
The NPPES record lists a practice address at 4131 Geary Blvd, San Francisco, CA, 94118. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.
How can I verify Rachel Ng's license?
NPPES lists California license number A114301, 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 Rachel Ng prescribe under Medicare Part D?
In 2024, Rachel Ng had 7,149 Medicare Part D claims for 227 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.