Sydney Boi Thoi Long, M.D.
Internal Medicine Physician · Fresno, CA
Sydney Boi Thoi Long, M.D. is an internal medicine physician with a practice address in Fresno, California, and NPI 1881924918, issued on Jan 13, 2010. Check the license (California A143874, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sydney Boi Thoi Long
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A143874 CA
MD60500537 WA
Self-reported in NPPES; status is on the state search - Practice location
- 7471 N Fresno St, Fresno, CA 93720
- Phone
- (559) 436-4500
- Enumerated
- Jan 13, 2010
- Record last updated
- Aug 30, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (559) 436-0500
- Medicare enrollment
- Enrolled (PECOS I20161108002058); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 7471 N Fresno St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sofian Amir Hassen, FNPNurse Practitioner1841692449
- Malik Baz, M.D.Allergy Physician1114923307
- Kanwalroop Bisen, N.P.Family Nurse Practitioner1134569627
- Toni Caniglia, N.P.Nurse Practitioner1487650677
- Karalyn Champion, FNPFamily Nurse Practitioner1124403159
- Kellie Dudy, PA-CPhysician Assistant1740419621
Verify Sydney Boi Thoi Long in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average internal medicine physician in 2024
853 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Azelastine Hcl238 claims
- Fluticasone Propionate151 claims
- Levocetirizine Dihydrochloride79 claims
- Montelukast Sodium50 claims
- Ipratropium Bromide31 claims
- Advair Hfa27 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): 91.9 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: $1,204.17
67 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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
- Baz Allergy Asthma And Sinus Center IncFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sydney Boi Thoi Long among 17,696 internal medicine physician records in California
Sydney Boi Thoi Long, M.D. 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2004 among the 11,065 with a school on file
- Record last updated2016 · 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).
335 internal medicine physician records list a practice address in Fresno
They are 335 of the 19,440 NPPES records with a practice address in Fresno, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Fresno → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Linda Bartell, MDFresno, CA 937201568458966
- Brenda Berry, MDFresno, CA 937201942295381
- Roger Gong, MDFresno, CA 937201598751059
- Alex Habibe, MDFresno, CA 937201629075395
- Dharampal Johal, M.D.Fresno, CA 937201275530529
- Helen Jones, MDFresno, CA 937201164418372
- Carol Kim, M.D.Fresno, CA 937201285629303
- Jean Linder, MDFresno, CA 937201962498428
Common questions
What is Sydney Boi Thoi Long, M.D.'s NPI number?
Sydney Boi Thoi Long, M.D.'s National Provider Identifier (NPI) is 1881924918, issued on Jan 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Boi Thoi Long, M.D. located?
The NPPES record lists a practice address at 7471 N Fresno St, Fresno, CA, 93720. Phone: (559) 436-4500. Providers update this record themselves, so call before visiting.
How can I verify Sydney Boi Thoi Long, M.D.'s license?
NPPES lists California license number A143874, 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 Sydney Boi Thoi Long, M.D. prescribe under Medicare Part D?
In 2024, Sydney Boi Thoi Long, M.D. had 853 Medicare Part D claims for 181 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Sydney Boi Thoi Long, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.9 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.