Rex Binguit Sagalla, DO
Internal Medicine Physician · Stony Brook, NY
Rex Binguit Sagalla, DO is an internal medicine physician with a practice address in Stony Brook, New York, and NPI 1174784516, issued on Jun 18, 2008. Check the license (New York 279854, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Rex Binguit Sagalla
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 279854 NY
P0287 TX
Self-reported in NPPES; status is on the state search - Practice location
- Stonybrook Univesity Medical Ctr, Stony Brook, NY 11794
- Phone
- (631) 444-3869
- Enumerated
- Jun 18, 2008
- Record last updated
- Jun 1, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (631) 444-7502
- Medicare enrollment
- Enrolled (PECOS I20170911001175); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Rex Binguit Sagalla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 279854Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,476 Medicare Part D claims for 283 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 71% of claims.
Most prescribed
- Albuterol Sulfate Hfa250 claims
- Trelegy Ellipta138 claims
- Anoro Ellipta101 claims
- Ventolin Hfa94 claims
- Breztri Aerosphere80 claims
- Symbicort75 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
- Duke Health Integrated Practice IncCary, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rex Binguit Sagalla among 12,067 internal medicine physician records in New York
Rex Binguit Sagalla, DO is one of 12,067 internal medicine physician records with a practice address in New York. 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2002 among the 7,221 with a school on file
- Record last updated2015 · 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
121 internal medicine physician records list a practice address in Stony Brook
They are 121 of the 3,053 NPPES records with a practice address in Stony Brook, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Stony Brook → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Abdullah, M.D.Stony Brook, NY 117941700079100
- Patricia Boromee, MDStony Brook, NY 117941982700993
- Roderick Go, DOStony Brook, NY 117941558486555
- Lynn Hallarman, M.D.Stony Brook, NY 117941689778078
- Jennifer Hensley, M.D.Stony Brook, NY 117941881702124
- Kyung Ho Kim, MDStony Brook, NY 117941063687929
- Olena Ksovreli, M.D.Stony Brook, NY 117941821063041
- Patrick Lynch, MDStony Brook, NY 117941841495256
Common questions
What is Rex Binguit Sagalla, DO's NPI number?
Rex Binguit Sagalla, DO's National Provider Identifier (NPI) is 1174784516, issued on Jun 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Rex Binguit Sagalla, DO located?
The NPPES record lists a practice address at Stonybrook Univesity Medical Ctr, Stony Brook, NY, 11794. Phone: (631) 444-3869. Providers update this record themselves, so call before visiting.
How can I verify Rex Binguit Sagalla, DO's license?
NPPES lists New York license number 279854, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rex Binguit Sagalla, DO prescribe under Medicare Part D?
In 2024, Rex Binguit Sagalla, DO had 1,476 Medicare Part D claims for 283 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.