Charles Lostak, D.O.
NPI 1477549913 · Gastroenterology Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Lostak, D.O. is a Gastroenterology Physician provider in Dallas, TX (NPI 1477549913).
Provider details
- NPI number
- 1477549913
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- H0576 (TX)
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
20 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
644 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 315 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 61 | $127 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 60 | $115 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 46 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $121 |
| Biopsy of Large Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 596 | 196 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 163 | 162 |
| Omeprazole | 163 | 55 |
| Famotidine | 127 | 43 |
| Sucralfate | 73 | 21 |
| Linaclotidebrand: Linzess | 58 | 22 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 56 | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,168 across 69 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
- 2005-09-20
- Last updated
- 2011-11-17
Frequently asked questions
- What is Charles Lostak's NPI number?
- Charles Lostak's National Provider Identifier (NPI) is 1477549913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Lostak's specialty?
- Charles Lostak is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Lostak located?
- Charles Lostak's practice location on file with NPPES is 3450 W Wheatland Rd, Dallas, TX 75237-3470.
- What is Charles Lostak's phone number?
- The practice phone number listed in the NPPES registry for Charles Lostak is (214) 948-8856.
- Does Charles Lostak accept Medicare?
- Charles Lostak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Lostak's NPI active?
- Yes — Charles Lostak's NPI (1477549913) is active in the NPPES registry as of the last update on 2011-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.