DR. GUY VIN CHANG M.D.
NPI 1154718955
Internal Medicine - Geriatric Medicine in Washington, DC

Active since April 20, 2015PECOS EnrolledAccepts Medicare Assignment
110 IRVING ST NW, WASHINGTON, DC 20010(202) 877-7000 Get Directions Write a Review

NPPES record last updated: June 22, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2021, Jun 1, 2021, Jan 29, 2019 (3 updates tracked since 2019).

About Dr. Guy Vin Chang M.d. NPPES

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

DR. GUY VIN CHANG M.D. (NPI 1154718955) is an individual geriatric medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD210002191) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1154718955
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameDR. GUY VIN CHANGCredential: M.D.
Location Address110 IRVING ST NWWashington, DC 20010-3017
Mailing Address110 Irving St NwWashington, DC 20010-3017
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 20, 2015
Last NPPES UpdateJune 22, 20223 updates tracked since enumeration
NPPES CertifiedJune 22, 2022
NPI 1154718955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in DC · MD210002191
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
Also ListedHospitalistTaxonomy 208M00000X · License 11014 (SD)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License T0741 (TX)
110 IRVING ST NW, Washington, DC 20010

Secondary Practice Locations 4

Location 11400 W 22nd StSioux Falls, SD 57105-1554 · Phone (605) 357-1410
Location 21305 W 18th StSioux Falls, SD 57105 · Phone (605) 328-4973 · Fax (605) 328-1295
Location 35323 Harry Hines BlvdDallas, TX 75390-7201 · Phone (214) 648-3111
Location 4353 Fairmont BlvdRapid City, SD 57701-7375 · Phone (605) 755-1000

Accepted 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

Dr. Guy Vin 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 ID7810202660
PECOS Enrollment IDI20220829003825
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 17

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.

Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
313 services151 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.
223 services99 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.
95 services93 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
63 services53 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
57 services52 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
43 services42 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20010 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Other Providers at the Same Location NPPES 20

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

Nurse Practitioner (Acute Care)
110 IRVING ST NW, 4B42
WASHINGTON, DC 20010
Student in an Organized Health Care Education/Training Program
110 IRVING ST NW
WASHINGTON, DC 20010
Radiology (Diagnostic Radiology)
110 IRVING ST NW
WASHINGTON, DC 20010
Nurse Anesthetist, Certified Registered
110 IRVING ST NW
WASHINGTON, DC 20010
Anesthesiology
110 IRVING ST NW
WASHINGTON, DC 20010
Radiology (Diagnostic Radiology)
110 IRVING ST NW
WASHINGTON, DC 20010
Student in an Organized Health Care Education/Training Program
110 IRVING ST NW, DEPT. OF ORAL AND MAXILLOFACIAL SURGERY
WASHINGTON, DC 20010
Internal Medicine (Endocrinology, Diabetes & Metabolism)
110 IRVING ST NW
WASHINGTON, DC 20010

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Guy Vin Chang's NPI number?

The NPI number for Guy Vin Chang is 1154718955. It was assigned to this individual provider in the NPPES registry on April 20, 2015.

Where is Guy Vin Chang located?

Guy Vin Chang practices at 110 Irving St NW, Washington, DC 20010. The listed phone number is (202) 877-7000.

What is Guy Vin Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Guy Vin Chang enrolled in Medicare?

Yes. Guy Vin Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Guy Vin Chang accept?

Health plans from Medica list Guy Vin Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Guy Vin Chang was last updated on June 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.