RUBY JEAN CHANG M.D.
NPI 1396109237
Pathology - Anatomic Pathology & Clinical Pathology in Austin, TX

Q: What is Ruby Chang's NPI number?

The NPI number for Ruby Chang is 1396109237. It was assigned to this individual provider in the NPPES registry on April 6, 2016.

Q: What is Ruby Chang's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Ruby Chang was last updated on July 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since April 06, 2016PECOS EnrolledAccepts Medicare Assignment

78.76/100

CMS Quality Rating

3445 EXECUTIVE CENTER DR., STE 250, AUSTIN, TX 78731(512) 579-4000(512) 439-2814 Get Directions Write a Review

NPPES record last updated: July 20, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Ruby Jean Chang M.d. NPPES

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

RUBY JEAN CHANG M.D. (NPI 1396109237) is an individual anatomic pathology & clinical pathology provider in Austin, Texas, licensed in Texas (T1918) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Ascension Seton Medical Center Austin, and is a graduate of Baylor College Of Medicine (2020).

NPPES Registry Identity

NPI1396109237

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameRUBY JEAN CHANGCredential: M.D.

Location Address3445 EXECUTIVE CENTER DR., STE 250Austin, TX 78731-1678

Mailing Address3445 Executive Center Dr., Ste 250Austin, TX 78731-1678 · (512) 579-4000 · Fax (512) 439-2814

Phone(512) 579-4000

Fax(512) 439-2814

Sole ProprietorNo

Medical School CMSBaylor College Of MedicineGraduated 2020

Enumeration DateApril 6, 2016

Last NPPES UpdateJuly 20, 2021

NPPES CertifiedJuly 20, 2021

✔ NPI 1396109237 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in TX · T1918

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

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

3445 EXECUTIVE CENTER DR., Austin, TX 78731

Open in Google Maps ↗

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ruby Jean 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 ID3779985536

PECOS Enrollment IDI20210715003371, I20260623001241

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.

Medicare Billing Reassignment

Medicare enrollment records show Ruby Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hurt, Jacknow, Moore, Connor, Wells, Michels, Yurco, Listrom & Huang

Same address

Anatomic Pathology & Clinical Pathology

3445 EXECUTIVE CENTER DR, STE 250
Austin, TX 78731

Reassigned Medicare billing, Delaware and Texas enrollments
16 clinicians in this Medicare group

NPI 1255395810 (512) 579-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 14

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

465 services222 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

215 services52 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

147 services96 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

116 services86 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

50 services20 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

37 services33 patients

Cell examination of specimen, concentration technique 88108

Cell examination of a specimen using a concentration technique is a lab process that enhances the detection of cells in a sample. This method helps to focus on key areas of the sample, making it easier to spot abnormalities or changes. It's a crucial part of diagnosing and monitoring certain health conditions.

36 services33 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

33 services31 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

30 services20 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

28 services18 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

24 services21 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

23 services17 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

16 services15 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Ascension Seton Medical Center Austin

Acute Care Hospitals · Austin, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450056

Location1201 W 38th StAustin, TX 78705 · Travis County

Emergency services Birthing friendly

Northwest Hills Surgical Hospital

Acute Care Hospitals · Austin, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number450808

Location6818 Austin Ctr Blvd Suite 100Austin, TX 78731 · Travis County

Emergency services

Ascension Seton Northwest

Acute Care Hospitals · Austin, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450867

Location11113 Research BoulevardAustin, TX 78759 · Travis County

Emergency services Birthing friendly

Ascension Seton Highland Lakes

Critical Access Hospitals · Burnet, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number451365

Location3201 S Water StBurnet, TX 78611 · Burnet County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78731 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

$131.95 typical visit price

range $57.88 – $174.00

Typical copayment $32.98 (range $14.47 – $43.50)

Most-billed visit code 99204

Established Patient

$101.65 typical visit price

range $18.88 – $142.23

Typical copayment $25.41 (range $4.72 – $35.55)

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.

78.76/100

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

Scored as part of a group practice

Quality

75.01

Improvement Activities

Other Providers at the Same Location NPPES 5

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

JARED DALE BARKER D.O.