DR. JOANNA RENEE LINSTEADT M.D.
NPI 1396971040
Internal Medicine - Gastroenterology in Corpus Christi, TX

Q: What is Joanna Linsteadt's NPI number?

The NPI number for Joanna Linsteadt is 1396971040. It was assigned to this individual provider in the NPPES registry on June 9, 2009.

Q: What is Joanna Linsteadt's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Joanna Linsteadt was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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 June 09, 2009PECOS EnrolledAccepts Medicare Assignment

6133 PARKWAY DR, CORPUS CHRISTI, TX 78414(361) 881-8333(361) 852-6265 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 14, 2026, Dec 27, 2016 (2 updates tracked since 2016).

On this page

About Dr. Joanna Renee Linsteadt M.d. NPPES

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

DR. JOANNA RENEE LINSTEADT M.D. (NPI 1396971040) is an individual gastroenterology provider in Corpus Christi, Texas, licensed in Texas (P2893) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Corpus Christi Medical Center,the, and maintains a secondary practice location in Corpus Christi.

NPPES Registry Identity

NPI1396971040

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameDR. JOANNA RENEE LINSTEADTCredential: M.D.

Location Address6133 PARKWAY DRCorpus Christi, TX 78414-2459

Mailing AddressPo Box 61160Corpus Christi, TX 78466-1160 · (361) 881-8333 · Fax (361) 852-6265

Phone(361) 881-8333

Fax(361) 852-6265

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2009

Enumeration DateJune 9, 2009

Last NPPES UpdateJanuary 14, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 14, 2026

✔ NPI 1396971040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · P2893

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License P2893 (TX)

6133 PARKWAY DR, Corpus Christi, TX 78414

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Secondary Practice Location 1

Location 1718 Elizabeth St Fl 3Corpus Christi, TX 78404-2212 · Phone (361) 884-2858 · Fax (361) 879-9015

Other Identifiers 1

Medicaid297106101TX

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

Dr. Joanna Renee Linsteadt 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 ID345404851

PECOS Enrollment IDI20120613000679

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 Reassignments

Medicare enrollment records show Joanna Linsteadt reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgical Associates Corpus Christi, LLP

0.1 mi

Surgery

6133 PARKWAY
Corpus Christi, TX 78414

Reassigned Medicare billing, Texas enrollment
12 clinicians in this Medicare group

NPI 1457404139 (361) 881-8333

Abdominal Specialists Of South Texas, LLP

6.3 mi

Specialist

718 ELIZABETH ST, FLOOR 3
Corpus Christi, TX 78404

Reassigned Medicare billing, Texas enrollment
23 clinicians in this Medicare group

NPI 1730159104 (361) 884-2858

Specialty Associates Of West Houston PLLC

185 mi

Internal Medicine

1200 BINZ ST STE 1350
Houston, TX 77004

Reassigned Medicare billing, Texas enrollment
152 clinicians in this Medicare group

NPI 1699062349 (832) 924-8788

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 16

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.

270 services104 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

95 services93 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.

54 services42 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.

49 services35 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

48 services46 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

47 services47 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

47 services35 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

25 services20 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

22 services22 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.

20 services20 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

14 services14 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

13 services13 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

13 services13 patients

Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43255

This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.

11 services11 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

11 services11 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Corpus Christi Medical Center,the

Acute Care Hospitals · Corpus Christi, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number450788

Location6629 Woodridge RoadCorpus Christi, TX 78414 · Nueces County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78414 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)

Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…

74%53 patients3/55-star benchmark: 100%

Pre-operative OSA assessment

Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)

47%53 patients2/55-star benchmark: 100%

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.

Other Providers at the Same Location NPPES

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

DR. ALI ABDALLA MAAWY M.D

Surgery (Surgical Oncology)

6133 PARKWAY DR
CORPUS CHRISTI, TX 78414

Nueces County (469) 682-2632

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 Joanna Linsteadt's NPI number?

The NPI number for Joanna Linsteadt is 1396971040. It was assigned to this individual provider in the NPPES registry on June 9, 2009.

Where is Joanna Linsteadt located?

Joanna Linsteadt practices at 6133 Parkway Dr, Corpus Christi, TX 78414. The listed phone number is (361) 881-8333.

What is Joanna Linsteadt's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Joanna Linsteadt enrolled in Medicare?

Yes. Joanna Linsteadt 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.

Which organizations bill Medicare for Joanna Linsteadt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Linsteadt reassigns Medicare benefits to 3 organizations: Surgical Associates Corpus Christi, LLP (Corpus Christi, TX), Abdominal Specialists Of South Texas, LLP (Corpus Christi, TX) and Specialty Associates Of West Houston PLLC (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joanna Linsteadt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joanna Linsteadt accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Joanna Linsteadt 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.

Is Joanna Linsteadt affiliated with any hospitals?

According to CMS data, Joanna Linsteadt is affiliated with Corpus Christi Medical Center,the.

When was this NPI record last updated?

The NPPES record for Joanna Linsteadt was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.