Sidney Alexander Obas, RPA-C
Physician Assistant · Garden City, NY
Sidney Alexander Obas, RPA-C is a physician assistant with a practice address in Garden City, New York, and NPI 1124101944, issued on Oct 23, 2006. Check the license (New York 009934, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sidney Alexander Obas
- Credential
- RPA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 009934 NY
Self-reported in NPPES; status is on the state search - Practice location
- 975 Stewart Ave, Garden City, NY 11530
- Phone
- (516) 267-6840
- Enumerated
- Oct 23, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (516) 267-6842
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 975 Stewart Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sidney Alexander Obas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 009934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average physician assistant in 2024
53 Medicare Part D claims for 23 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Sidney Alexander Obas among 15,555 physician assistant records in New York
Sidney Alexander Obas, RPA-C is one of 15,555 physician assistant records with a practice address in New York. 74% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2007 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
79 physician assistant records list a practice address in Garden City
They are 79 of the 2,065 NPPES records with a practice address in Garden City, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Garden City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lisa Brusca, PAGarden City, NY 115301528048246
- Robert Cohen, P.A.Garden City, NY 115301770619629
- Michael ColantuonoGarden City, NY 115301164658340
- Elena Cottone, RPA-CGarden City, NY 115301225259955
- Shammi Emmanuel, PAGarden City, NY 115301881758860
- Sean Folliard, R.P.A.-CGarden City, NY 115301184747123
- Anne Gabriel, R.P.A.-CGarden City, NY 115301942322045
- Katie Guarino, RPA-CGarden City, NY 115301063741361
Common questions
What is Sidney Alexander Obas, RPA-C's NPI number?
Sidney Alexander Obas, RPA-C's National Provider Identifier (NPI) is 1124101944, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sidney Alexander Obas, RPA-C located?
The NPPES record lists a practice address at 975 Stewart Ave, Garden City, NY, 11530. Phone: (516) 267-6840. Providers update this record themselves, so call before visiting.
How can I verify Sidney Alexander Obas, RPA-C's license?
NPPES lists New York license number 009934, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Sidney Alexander Obas, RPA-C prescribe under Medicare Part D?
In 2024, Sidney Alexander Obas, RPA-C had 53 Medicare Part D claims for 23 beneficiaries; the average among physician assistant prescribers was 830. 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.