DR. CHARLES XIAODONG MA M.D.
NPI 1174979611
Internal Medicine - Endocrinology, Diabetes & Metabolism in Wilton, CT

Q: What is Charles Ma's NPI number?

The NPI number for Charles Ma is 1174979611. It was assigned to this individual provider in the NPPES registry on May 13, 2016. The provider is also known as Xiaodong Ma.

Q: What is Charles Ma's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Charles Ma was last updated on May 25, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 13, 2016PECOS EnrolledAccepts Medicare Assignment

94.24/100

CMS Quality Rating

249 DANBURY RD, WILTON, CT 06897(203) 852-2270 Get Directions Write a Review

NPPES record last updated: May 25, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 25, 2021, Jun 7, 2019, Mar 24, 2019 and 1 more (4 updates tracked since 2016).

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About Dr. Charles Xiaodong Ma M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES XIAODONG MA M.D. (NPI 1174979611) is an individual endocrinology, diabetes & metabolism provider in Wilton, Connecticut, licensed in Connecticut (68083) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Connecticut School Of Medicine (2016).

NPPES Registry Identity

NPI1174979611

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameDR. CHARLES XIAODONG MACredential: M.D.

Location Address249 DANBURY RDWilton, CT 06897-4010

Mailing Address249 Danbury RdWilton, CT 06897-4010 · (203) 852-2270

Phone(203) 852-2270

Sole ProprietorYes

Medical School CMSUniversity Of Connecticut School Of MedicineGraduated 2016

Enumeration DateMay 13, 2016

Last NPPES UpdateMay 25, 20214 updates tracked since enumeration

NPPES CertifiedMay 25, 2021

✔ NPI 1174979611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in CT · 68083

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

249 DANBURY RD, Wilton, CT 06897

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Other Names 1

Former Name (1)Xiaodong Ma

Secondary Practice Locations 2

Location 1759 Chestnut StSpringfield, MA 01199-1001 · Phone (413) 794-0000

Location 2111 E 210th StBronx, NY 10467-2401 · Phone (718) 920-2017 · Fax (718) 920-5202

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Charles Xiaodong Ma M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608160056

PECOS Enrollment IDI20210630003476

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

3,984 services57 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

497 services263 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

213 services108 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

125 services83 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

91 services91 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

88 services57 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06897 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$138.84 typical visit price

range $60.82 – $183.10

Typical copayment $34.71 (range $15.20 – $45.77)

Most-billed visit code 99204

Established Patient

$106.68 typical visit price

range $19.76 – $149.26

Typical copayment $26.67 (range $4.94 – $37.31)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.24/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

78.26

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

11 suppliers15 claims46 services$5.20 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

7 suppliers11 claims15 services$1.06 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

2 suppliers123 claims123 services$186.90 avg. paid by Medicare

Receiver (monitor), dedicated, for use with therapeutic glucose continuous monitor system K0554

DME-Other DME · category DE017N

2 suppliers16 claims16 services$192.45 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KENNETH CHEUNG DO

Internal Medicine