Mark Porta
NPI 1275890436 · Internal Medicine Physician · Shreveport, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Porta is a Internal Medicine Physician provider in Shreveport, LA (NPI 1275890436).
Provider details
- NPI number
- 1275890436
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 206897 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
352 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 126 | $114 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 40 | $149 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 33 | $228 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 28 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 25 | $74 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 317 | 114 |
| Famotidine | 124 | 48 |
| Pantoprazole Sodium | 98 | 30 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 53 | 52 |
| Colestipol Hcl | 50 | 24 |
| Dicyclomine Hcl | 45 | 23 |
| Sucralfate | 44 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$939 across 61 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
Registry dates
- Enumerated
- 2012-04-12
- Last updated
- 2015-07-30
Frequently asked questions
- What is Mark Porta's NPI number?
- Mark Porta's National Provider Identifier (NPI) is 1275890436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Porta's specialty?
- Mark Porta is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Porta located?
- Mark Porta's practice location on file with NPPES is 1501 Kings Hwy, Shreveport, LA 71130.
- What is Mark Porta's phone number?
- The practice phone number listed in the NPPES registry for Mark Porta is (318) 813-2502.
- Does Mark Porta accept Medicare?
- Mark Porta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Porta's NPI active?
- Yes — Mark Porta's NPI (1275890436) is active in the NPPES registry as of the last update on 2015-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.