Xi Na, M.D., PH.D.
Gastroenterology Physician · Stoneham, MA
Xi Na, M.D., PH.D. is a gastroenterology physician with a practice address in Stoneham, Massachusetts, and NPI 1700049269, issued on Jul 4, 2008. Check the license (Massachusetts 253157, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Xi Na
- Credential
- M.D., PH.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 253157 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3 Woodland Road, Stoneham, MA 02180
- Phone
- (781) 662-0604
- Enumerated
- Jul 4, 2008
- Record last updated
- Oct 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (781) 665-4162
- Medicare enrollment
- Enrolled (PECOS I20130522000411); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Also registered at 3 Woodland Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fereydoun Shahrokhi, MDNeurology Physician1902865322
Verify Xi Na in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 253157Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average gastroenterology physician in 2024
511 Medicare Part D claims for 306 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf233 claims
- Omeprazole82 claims
- Famotidine50 claims
- Pantoprazole Sodium39 claims
- Gavilyte-G16 claims
- Lubiprostone12 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): 75.1 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: $70.62
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Digestive Health Associates P.C.Stoneham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Xi Na among 686 gastroenterology physician records in Massachusetts
Xi Na, M.D., PH.D. is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% 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 60% of them.
- NPI issued2008 · 60% of these records are older, 35% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · median 2004 among the 491 with a school on file
- Record last updated2012 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 gastroenterology physician records list a practice address in Stoneham
They are 11 of the 473 NPPES records with a practice address in Stoneham, and 686 gastroenterology physician records in Massachusetts.
All 686 in Massachusetts → Every provider in Stoneham → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Robert Aaron, MDStoneham, MA 021801962694323
- Wanda Blanton, M.D.Stoneham, MA 021801417123431
- Brian Clark, M.D.Stoneham, MA 021801114193612
- David Fefferman, M.D.Stoneham, MA 021801720015928
- Kristen Francione, RN BSNStoneham, MA 021801497537443
- Aarti Kakkar, MDStoneham, MA 021801992971824
- Christopher Leung, M.D.Stoneham, MA 021801538257464
- Jose Marcal, M.D.Stoneham, MA 021801538116223
Common questions
What is Xi Na, M.D., PH.D.'s NPI number?
Xi Na, M.D., PH.D.'s National Provider Identifier (NPI) is 1700049269, issued on Jul 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Xi Na, M.D., PH.D. located?
The NPPES record lists a practice address at 3 Woodland Road, Stoneham, MA, 02180. Phone: (781) 662-0604. Providers update this record themselves, so call before visiting.
How can I verify Xi Na, M.D., PH.D.'s license?
NPPES lists Massachusetts license number 253157, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Xi Na, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Xi Na, M.D., PH.D. had 511 Medicare Part D claims for 306 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Xi Na, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 75.1 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.