Susie X. Fong, M.D.
Sleep Medicine (Internal Medicine) Physician · Encino, CA
Susie X. Fong, M.D. is a sleep medicine (internal medicine) physician with a practice address in Encino, California, and NPI 1447549654, issued on Mar 29, 2011. Check the license (California A129474, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Susie X. Fong
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- A129474 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15503 Ventura Blvd Ste 170, Encino, CA 91436
- Phone
- (818) 461-8148
- Enumerated
- Mar 29, 2011
- Record last updated
- Mar 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180622001104); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 129 in California → Look up another NPI →
Also registered at 15503 Ventura Blvd Ste 170
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melody Avakian, DOAdolescent Medicine (Family Medicine) Physician1386261816
- Pouyan Famini, M.D.Endocrinology, Diabetes & Metabolism Physician1326270422
- Carolyn Goh, M.D.Dermatology Physician1346408622
- James Higgins, M.D.Cardiovascular Disease Physician1982781191
- Scott Hu, M.D.Pulmonary Disease Physician1376794420
- Ara Kardashian, M.D.Gastroenterology Physician1265703102
Verify Susie X. Fong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A129474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
219 Medicare Part D claims for 72 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Gabapentin66 claims
- Doxepin Hcl37 claims
- Trazodone Hcl29 claims
- Dayvigo19 claims
- Modafinil18 claims
- Fluticasone Propionate12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,441.34
10 payments; by number, the most common kind was food and beverage; the largest payer was Philips North America LLC. The 664 providers of this specialty with any payment received $3,724.37 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
- The Regents OF The University OF CaliforniaBeverly Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susie X. Fong among 129 sleep medicine (internal medicine) physician records in California
Susie X. Fong, M.D. is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 51% of them.
- NPI issued2011 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2011 · median 2006 among the 106 with a school on file
- Record last updated2020 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in California
There are 129 sleep medicine (internal medicine) physician records in California.
All 129 in California → Every provider in Encino → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Keren Fogelfeld, M.D.Encino, CA 914361215185038
- Illia KovalevSherman Oaks, CA 914031639438435
- Babak Hakimisefat, D.O.Burbank, CA 915051114189354
- Sidney Iriana, MDThousand Oaks, CA 913611003435017
- Ronald Popper, M.D. F.C.C.P.Thousand Oaks, CA 913611336162957
- Serghei Burcovschii, MDTarzana, CA 913561629573563
- Mahtab Moshtagh Sisan, MDPorter Ranch, CA 913261982197901
- Earl Young, M.D.Pasadena, CA 911061639151830
Common questions
What is Susie X. Fong, M.D.'s NPI number?
Susie X. Fong, M.D.'s National Provider Identifier (NPI) is 1447549654, issued on Mar 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Susie X. Fong, M.D. located?
The NPPES record lists a practice address at 15503 Ventura Blvd Ste 170, Encino, CA, 91436. Phone: (818) 461-8148. Providers update this record themselves, so call before visiting.
How can I verify Susie X. Fong, M.D.'s license?
NPPES lists California license number A129474, 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 Susie X. Fong, M.D. prescribe under Medicare Part D?
In 2024, Susie X. Fong, M.D. had 219 Medicare Part D claims for 72 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
What is Susie X. Fong, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.