George Gee Sheung Ngan, MD
Internal Medicine Physician · Los Angeles, CA
George Gee Sheung Ngan, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1316054174, issued on Aug 25, 2006. Check the license (California G36843, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- George Gee Sheung Ngan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G36843 CA
Self-reported in NPPES; status is on the state search - Practice location
- 201 S Alvarado St, Los Angeles, CA 90057
- Phone
- (213) 989-6959
- Enumerated
- Aug 25, 2006
- Record last updated
- Dec 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (213) 989-2012
- Medicaid ID
- 00G368430 CA
- Medicare enrollment
- Enrolled (PECOS I20110216001225); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1977
- 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 201 S Alvarado St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify George Gee Sheung Ngan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G36843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average internal medicine physician in 2024
5,945 Medicare Part D claims for 355 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 94 claims were for opioids.
Most prescribed
- Losartan Potassium593 claims
- Atorvastatin Calcium475 claims
- Amlodipine Besylate360 claims
- Metformin Hcl224 claims
- Hydrochlorothiazide174 claims
- Levothyroxine Sodium144 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: $308.68
12 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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
- Roberts Ngan Sugerman A Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George Gee Sheung Ngan among 17,696 internal medicine physician records in California
George Gee Sheung Ngan, 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
- Graduated1977 · median 2004 among the 11,065 with a school on file
- Record last updated2011 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
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Common questions
What is George Gee Sheung Ngan, MD's NPI number?
George Gee Sheung Ngan, MD's National Provider Identifier (NPI) is 1316054174, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George Gee Sheung Ngan, MD located?
The NPPES record lists a practice address at 201 S Alvarado St, Los Angeles, CA, 90057. Phone: (213) 989-6959. Providers update this record themselves, so call before visiting.
How can I verify George Gee Sheung Ngan, MD's license?
NPPES lists California license number G36843, 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 George Gee Sheung Ngan, MD prescribe under Medicare Part D?
In 2024, George Gee Sheung Ngan, MD had 5,945 Medicare Part D claims for 355 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.