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Family Practice

Xiao Xiao Ma, MD

Works at hospitals in Manhasset, NY · New York

Summary

Dr. Xiao Xiao Ma, MD is a family doctor at 1155 Northern Blvd, Manhasset, NY 11030. Phone: (516) 390-2850. Accepts Medicare assignment. In 2024, Xiao Xiao Ma had 239 Original Medicare patients and 687 services. NPI 1225410475. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1155 Northern Blvd, Manhasset, NY 11030 · Directions
  • Phone: (516) 390‑2850
  • Medicare: Accepts Medicare assignment
  • Hospital: North Shore University Hospital
  • Group practice: North Shore Medical Group of the Mount Sinai School of Medicine
  • Medical school: graduated 2015 (11 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Xiao Xiao Ma, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Xiao Xiao Ma accept Medicare assignment?
Yes. Medicare's clinician data says Xiao Xiao Ma accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Xiao Xiao Ma see?
In 2024, CMS data shows 239 Original Medicare patients and 687 services for Xiao Xiao Ma. This counts Original Medicare only and measures volume, not quality.
What is Xiao Xiao Ma's NPI number?
1225410475. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Xiao Xiao Ma, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients239
Services billed to Medicare687
Different services or procedures32
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)208 services
  2. Insertion of needle into vein for collection of blood sample (36415)177 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)82 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)44 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)37 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure65%
  • Arthritis41%
  • Diabetes26%
  • Ischemic heart disease26%
  • Osteoporosis22%

Hospitals where Xiao Xiao Ma works

Medicare's Facility Affiliation Data lists Xiao Xiao Ma at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106

Practice locations

Addresses where Xiao Xiao Ma is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Xiao Xiao Ma as a member of this group (CMS data updated October 2, 2026).

  • North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group

Specialties

Find other Family Practice doctors in New York →

Other family doctors in Manhasset

Clinicians with the same Medicare primary specialty in Manhasset, NY — not a recommendation.

All family doctors in Manhasset →

Other clinicians in North Shore Medical Group of the Mount Sinai School of Medicine

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225410475
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians