Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CHARLIE CHIH LEE CHANG M.D.
NPI 1417996109
Internal Medicine - Endocrinology, Diabetes & Metabolism in Webster, TX

Q: What is Charlie Chang's NPI number?

The NPI number for Charlie Chang is 1417996109. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Q: What is Charlie Chang'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 Charlie Chang was last updated on July 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 06, 2006PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

600 N KOBAYASHI STE 312, WEBSTER, TX 77598(281) 724-8333(281) 336-1680 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 7, 2026, Mar 17, 2026, Sep 10, 2025 and 5 more (8 updates tracked since 2021).

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About Charlie Chih Lee Chang M.d. NPPES

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

CHARLIE CHIH LEE CHANG M.D. (NPI 1417996109) is an individual endocrinology, diabetes & metabolism provider in Webster, Texas, licensed in Texas (L6318) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and maintains 10 additional practice locations.

NPPES Registry Identity

NPI1417996109

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameCHARLIE CHIH LEE CHANGCredential: M.D.

Location Address600 N KOBAYASHI STE 312Webster, TX 77598-4841

Mailing AddressPo Box 57336Webster, TX 77598-7336 · (281) 724-8333 · Fax (281) 336-1680

Phone(281) 724-8333

Fax(281) 336-1680

Sole ProprietorNo

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2000

Enumeration DateJune 6, 2006

Last NPPES UpdateJuly 7, 20268 updates tracked since enumeration

NPPES CertifiedJuly 7, 2026

✔ NPI 1417996109 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 TX · L6318

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 ListedInternal MedicineTaxonomy 207R00000X · License L6318 (TX)

600 N KOBAYASHI STE 312, Webster, TX 77598

Open in Google Maps ↗

Secondary Practice Locations 10

Location 12910 Province Village DrPearland, TX 77581-2330 · Phone (713) 798-0947

Location 2600 N Kobayashi Ste 309Webster, TX 77598-4841 · Phone (281) 724-8332 · Fax (832) 905-5977

Location 39645 Barker Cypress Rd Ste 102Cypress, TX 77433-5292 · Phone (346) 738-1650 · Fax (346) 207-0083

Location 4905 W Medical Center Blvd Ste 306Webster, TX 77598-4009 · Phone (281) 724-8332

Location 514100 Southwest Fwy Ste 500Sugar Land, TX 77478-3483 · Phone (346) 466-0032 · Fax (346) 200-3086

Location 64615 Southwest Fwy Ste 900Houston, TX 77027-7191 · Phone (346) 613-1423

Location 7500 N Kobayashi Ste CWebster, TX 77598-4722 · Phone (281) 816-3092 · Fax (281) 336-9318

Location 8404 W Fairmont PkwyLA Porte, TX 77571-6308 · Phone (346) 591-9547

Location 99645 Barker Cypress Rd Ste 100Cypress, TX 77433-5292 · Phone (346) 250-6010

Location 10600 N Kobayashi Ste 110Webster, TX 77598-4841 · Phone (281) 338-1701 · Fax (281) 724-1857

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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

Charlie Chih Lee Chang 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 ID3375554116

PECOS Enrollment IDI20060509000184

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 12

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.

3,483 services43 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.

1,080 services571 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

151 services137 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

107 services45 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

91 services46 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.

81 services81 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

51 services46 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

23 services23 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

15 services15 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

15 services13 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450184

Location1635 North Loop WestHouston, TX 77008 · Harris County

Emergency services Birthing friendly

Hca Houston Healthcare Clear Lake

Acute Care Hospitals · Webster, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450617

Location500 W Medical Center BlvdWebster, TX 77598 · Harris County

Emergency services Birthing friendly

Houston Methodist Clear Lake Hospital

Acute Care Hospitals · Nassau Bay, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450709

Location18300 Houston Methodist DrNassau Bay, TX 77058 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77598 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

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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.

75/100

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

Scored as part of a group practice

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

24%1,058 patients1/55-star benchmark: 100%

Diabetes: Medical Attention for Nephropathy

The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period

89%1,314 patients4/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%6,641 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

70%5,452 patients3/55-star benchmark: 100%

Falls: Plan of Care

Percentage of patients aged 65 years and older with a history of falls that had a plan of care for falls documented within 12 months

3%33 patients1/55-star benchmark: 100%

Falls: Risk Assessment

Percentage of patients aged 65 years and older with a history of falls that had a risk assessment for falls completed within 12 months

67%33 patients3/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

22%36 patients1/55-star benchmark: 98%

Ischemic Vascular Disease (IVD): Use of Aspirin or Another Antiplatelet

Percentage of patients 18 years of age and older who were diagnosed with acute myocardial infarction (AMI), coronary artery bypass graft (CABG) or percutaneous coronary interventions (PCI) in the 12 months prior to the measurement period, or who had an active…

81%37 patients4/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

99%79 patients4/55-star benchmark: 100%

Medication Reconciliation Post-Discharge

The percentage of discharges from any inpatient facility (e.g. hospital, skilled nursing facility, or rehabilitation facility) for patients 18 years and older of age seen within 30 days following discharge in the office by the physician, prescribing…

Patients 65+: 98% · 49 patients

97%62 patients

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

92%2,933 patients4/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user

32%159 patients2/55-star benchmark: 100%

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Percentage of patients aged 18 years and older who were screened for unhealthy alcohol use using a systematic screening method at least once within the last 24 months AND who received brief counseling if identified as an unhealthy alcohol user

81%2,074 patients4/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

83%1,492 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

24%1,492 patients2/55-star benchmark: 79%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 10

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

Supplies for maintenance of insulin infusion catheter, per week A4224

DME-Other DME · category DE017N

10 suppliers54 claims655 services$17.99 avg. paid by Medicare

Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225

DME-Other DME · category DE017N

10 suppliers56 claims1,658 services$2.27 avg. paid by Medicare

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

DME-Other DME · category DE017N

51 suppliers158 claims614 services$6.29 avg. paid by Medicare

Normal, low and high calibrator solution / chips A4256

DME-Other DME · category DE000N

4 suppliers23 claims23 services$2.94 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

24 suppliers65 claims133 services$1.18 avg. paid by Medicare

Transparent film, sterile, more than 16 sq. in. but less than or equal to 48 sq. in., each dressing A6258

DME-Medical/Surgical Supplies · category DA023N

1 supplier12 claims120 services$4.16 avg. paid by Medicare

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

Other Providers at the Same Location NPPES 9

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

TRAVIS GOODALE M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)