Physician Profile
Unclaimed ProfileAbout LOSTAK
Charles John Lostak, D.O. practises gastroenterology in Dallas, TX. Charles is a 1985 graduate of Oklahoma State University College of Osteopathic Medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Lostak?
Dr. Lostak is a gastroenterology in Dallas, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Lostak's address?
Dr. Lostak is listed at 3450 W WHEATLAND RD POB II, SUITE 245, Dallas, TX 75237. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Lostak?
The number on file is (214) 948-8856. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Lostak?
Dr. Lostak's National Provider Identifier is 1477549913. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Lostak train?
Dr. Lostak attended Oklahoma State University College of Osteopathic Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lostak have?
Dr. Lostak has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Lostak perform?
According to Medicare billing data, Dr. Lostak performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lostak's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lostak. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (214) 948-8856
- Email not available
Practice Locations
3450 W WHEATLAND RD POB II, SUITE 245
Dallas, TX 75237
Procedures Most Often Billed to Medicare
644 services · 373 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
46 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
36 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
14 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
315 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
61 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
60 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
39 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
30 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
26 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other gastroenterology specialists in Dallas 8
Same specialty, same city.
Trained at Oklahoma State University College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Oklahoma State University College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in TX who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.