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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ENOCH CHANG MD
NPI 1861079592
Radiology - Radiation Oncology in Houston, TX

Active since March 27, 2021PECOS Enrolled
1515 HOLCOMBE BLVD, HOUSTON, TX 77030(713) 792-6161 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 16, 2026, Mar 27, 2021 (2 updates tracked since 2021).

About Enoch Chang Md NPPES

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

ENOCH CHANG MD (NPI 1861079592) is an individual radiation oncology provider in Houston, Texas, licensed in Texas (V8596) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1861079592
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameENOCH CHANGCredential: MD
Location Address1515 HOLCOMBE BLVDHouston, TX 77030-4000
Mailing AddressP O Box 4439Houston, TX 77210-4439 · (713) 792-2991
Phone(713) 792-6161
Sole ProprietorNo
Enumeration DateMarch 27, 2021
Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
✔ NPI 1861079592 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in TX · V8596
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
1515 HOLCOMBE BLVD, Houston, TX 77030
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Secondary Practice Location 1

Location 11101 Van Ness Ave Ste 1120San Francisco, CA 94109-6919 · Phone (415) 600-3954

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Enoch Chang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$176.98 typical visit price
range $58.24 – $176.98
Typical copayment $44.24 (range $14.56 – $44.24)
Most-billed visit code 99205
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
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.

DR. MERRY CHEN MD
Psychiatry & Neurology (Neurology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
AMEENA BAGREE MALHOTRA M.D.
Internal Medicine (Nephrology)
1515 HOLCOMBE BLVD, 77030-4009
HOUSTON, TX 77030
Harris County (713) 792-6161
SOLANGE ERLYN COX MD
Surgery
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-2360
DR. BRYAN KEITH GUILLORY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
JANUARY Y TSAI MD
Anesthesiology
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
DR. SUNYOUNG LEE MD
Internal Medicine (Medical Oncology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
MRS. RACHEL KRAMER FUTRELL PA-C
Physician Assistant
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
MEGAN J TANNER NP-C
Nurse Practitioner
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161

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 Enoch Chang's NPI number?

The NPI number for Enoch Chang is 1861079592. It was assigned to this individual provider in the NPPES registry on March 27, 2021.

Where is Enoch Chang located?

Enoch Chang practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.

What is Enoch Chang's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Enoch Chang enrolled in Medicare?

Yes. Enoch Chang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Enoch Chang was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 days 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.