Joanna Linsteadt, M.D.
NPI 1396971040 · Gastroenterology Physician · Corpus Christi, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Linsteadt, M.D. is a Gastroenterology Physician provider in Corpus Christi, TX (NPI 1396971040).
Provider details
- NPI number
- 1396971040
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- P2893 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
750 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 270 | $33 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 95 | $106 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $118 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 49 | $65 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 48 | $235 |
| Biopsy of Large Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 326 | 112 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 142 | 137 |
| Omeprazole | 85 | 31 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 75 | 73 |
| Linaclotidebrand: Linzess | 71 | 24 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 49 | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$493 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 718 Elizabeth St Fl 3Corpus Christi, TX 78404-2212Phone: (361) 884-2858Fax: (361) 879-9015
Registry dates
- Enumerated
- 2009-06-09
- Last updated
- 2026-01-14
- Certified
- 2026-01-14
Frequently asked questions
- What is Joanna Linsteadt's NPI number?
- Joanna Linsteadt's National Provider Identifier (NPI) is 1396971040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Linsteadt's specialty?
- Joanna Linsteadt is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Joanna Linsteadt located?
- Joanna Linsteadt's practice location on file with NPPES is 6133 Parkway Dr, Corpus Christi, TX 78414-2459.
- What is Joanna Linsteadt's phone number?
- The practice phone number listed in the NPPES registry for Joanna Linsteadt is (361) 881-8333.
- Does Joanna Linsteadt accept Medicare?
- Joanna Linsteadt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Linsteadt's NPI active?
- Yes — Joanna Linsteadt's NPI (1396971040) is active in the NPPES registry as of the last update on 2026-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.