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Endocrinology

Charles X. Ma, MD

Works at hospitals in Danbury, CT · Norwalk, CT · Connecticut

Summary

Charles X. Ma, MD (Endocrinology) is listed by Medicare at 2 hospitals in Danbury, CT and Norwalk, CT. NPI 1174979611. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Charles X. Ma, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

EndocrinologyPrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
University Of Connecticut School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Charles X. Ma work at?
Medicare's official clinician data lists Charles X. Ma at 2 hospitals: Danbury Hospital and Norwalk Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Charles X. Ma see patients?
Medicare's clinician data lists 3 practice locations, including Bethel, CT, Wilton, CT and Springfield, MA. Call before your visit to confirm the address.
What is Charles X. Ma's specialty?
Medicare lists Endocrinology as the primary specialty.
Does Charles X. Ma accept Medicare assignment?
Medicare's clinician data says Charles X. Ma may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Charles X. Ma offer telehealth?
Medicare's clinician data says Charles X. Ma offers telehealth services. Ask the office which visits can be done by video or phone.
What is Charles X. Ma's NPI number?
1174979611. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Charles X. Ma works

Medicare's Facility Affiliation Data lists Charles X. Ma at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Charles X. Ma is enrolled with Medicare (CMS data updated 2026-10-02).

  • 14 Research DrBethel, CT 06801
  • 249 Danbury RdWilton, CT 06897
  • 280 Chestnut St, Fl 2Springfield, MA 01199

Specialties

Find other Endocrinology doctors in Connecticut →

Other endocrinologists in Connecticut

Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.

All endocrinologists in Connecticut →

Clinician information

CredentialMD
Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1174979611
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians