Billie Xia, M.D.
Internal Medicine Physician · Bethpage, NY
Billie Xia, M.D. is an internal medicine physician with a practice address in Bethpage, New York, and NPI 1497997381, issued on Mar 24, 2009. Check the license (New York 262801, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Billie Xia
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 262801 NY
Self-reported in NPPES; status is on the state search - Practice location
- 857 S Oyster Bay RD, Bethpage, NY 11714
- Phone
- (516) 622-8888
- Enumerated
- Mar 24, 2009
- Record last updated
- May 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20130905000287); may accept Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 2009
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 857 S Oyster Bay RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susanatte ArcherSocial Worker1952260820
- Christina BalladinFamily Nurse Practitioner1780293886
- Christine Brown Williamson, M.D.Family Medicine Physician1992773915
- Nanette Gingo, LCSWClinical Social Worker1134176258
- Andrea Gray-Pincus, LCSWClinical Social Worker1740227362
- Sarah Isbitsky, LCSWClinical Social Worker1508918111
Verify Billie Xia 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 262801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,515 Medicare Part D claims for 344 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Amlodipine Besylate81 claims
- Atorvastatin Calcium60 claims
- Alprazolam55 claims
- Azithromycin53 claims
- Rosuvastatin Calcium53 claims
- Lisinopril51 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 MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $760.17
36 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, 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
- Charles Evans Center, Inc.Bethpage, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Billie Xia among 12,067 internal medicine physician records in New York
Billie Xia, M.D. 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2009 · median 2002 among the 7,221 with a school on file
- Record last updated2026 · 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).
19 internal medicine physician records list a practice address in Bethpage
They are 19 of the 653 NPPES records with a practice address in Bethpage, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Bethpage → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ballambattu Bhat, MDBethpage, NY 117141366485930
- Peter Buffa, M.D.Bethpage, NY 117141790884344
- Jack Geffken, D.O.Bethpage, NY 117141053310268
- Christine Jankowski, M.D.Bethpage, NY 117141508851668
- Beresford Jones, DOBethpage, NY 117141407857204
- Vanita Kaul, MDBethpage, NY 117141144258476
- Abdus Khan, MDBethpage, NY 117141679517619
- Diane Linzer, D.O.Bethpage, NY 117141780679845
Common questions
What is Billie Xia, M.D.'s NPI number?
Billie Xia, M.D.'s National Provider Identifier (NPI) is 1497997381, issued on Mar 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Billie Xia, M.D. located?
The NPPES record lists a practice address at 857 S Oyster Bay RD, Bethpage, NY, 11714. Phone: (516) 622-8888. Providers update this record themselves, so call before visiting.
How can I verify Billie Xia, M.D.'s license?
NPPES lists New York license number 262801, 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 Billie Xia, M.D. prescribe under Medicare Part D?
In 2024, Billie Xia, M.D. had 1,515 Medicare Part D claims for 344 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Billie Xia, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.3 of 100. 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.