CHARLES JOHN LOSTAK D.O.
NPI 1477549913
Internal Medicine - Gastroenterology in Dallas, TX

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

Active since September 20, 2005PECOS EnrolledAccepts Medicare Assignment

3450 W WHEATLAND RD, POB II, SUITE 245, DALLAS, TX 75237(214) 948-8856(214) 948-5516 Get Directions Write a Review

NPPES record last updated: November 17, 2011. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Charles John Lostak D.o. NPPES

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

CHARLES JOHN LOSTAK D.O. (NPI 1477549913) is an individual gastroenterology provider in Dallas, Texas, licensed in Texas (H0576) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Methodist Charlton Medical Center, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (1985).

NPPES Registry Identity

NPI1477549913

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameCHARLES JOHN LOSTAKCredential: D.O.

Location Address3450 W WHEATLAND RD, POB II, SUITE 245Dallas, TX 75237-3470

Mailing Address3450 W Wheatland Rd, Pob Ii, Suite 245Dallas, TX 75237-3470 · (214) 948-8856 · Fax (214) 948-5516

Phone(214) 948-8856

Fax(214) 948-5516

Sole ProprietorNo

Medical School CMSOklahoma State University College Of Osteopathic MedicineGraduated 1985

Enumeration DateSeptember 20, 2005

Last NPPES UpdateNovember 17, 2011

✔ NPI 1477549913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · H0576

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.

3450 W WHEATLAND RD, Dallas, TX 75237

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Other Identifiers 3

Medicaid172179701TX

Medicare PIN8C2330TX

Medicare UPINA67347TX

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charles John Lostak D.o. 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 ID3870561533

PECOS Enrollment IDI20040922000177

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.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Follow-up hospital inpatient care per day, typically 25 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

158 services45 patients

Established patient office or other outpatient visit, 30-39 minutes 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.

140 services93 patients

Established patient office or other outpatient visit, 20-29 minutes 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

79 services64 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.

34 services34 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.

33 services32 patients

Initial hospital inpatient care per day, typically 50 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.

27 services25 patients

New patient office or other outpatient visit, 45-59 minutes 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.

26 services26 patients

Follow-up hospital inpatient care per day, typically 35 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

17 services11 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.

13 services13 patients

Initial hospital inpatient care per day, typically 30 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

13 services12 patients

Upper gastrointestinal (GI) endoscopy for acid reflux NAN12

An upper GI endoscopy is a procedure to examine your esophagus and stomach using a thin, flexible tube called an endoscope. It helps diagnose conditions like acid reflux by identifying any inflammation or damage. It's generally safe, performed under sedation, and takes about 15-30 minutes.

0 services173 patients

Colonoscopy NAN13

A colonoscopy is a medical procedure that allows your doctor to examine your colon (the large intestine). It utilizes a thin, flexible tube with a tiny camera on the end, which is inserted through the rectum. This procedure can help identify issues such as polyps, inflammation, or early signs of cancer. It's usually recommended for people over 50 or those with specific risk factors.

0 services222 patients

Hospital Affiliations CMS Care Compare

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

Methodist Charlton Medical Center

Acute Care Hospitals · Dallas, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450723

Location3500 W Wheatland RoadDallas, TX 75237 · Dallas County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75237 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

$131.01 typical visit price

range $57.18 – $172.86

Typical copayment $32.75 (range $14.29 – $43.21)

Most-billed visit code 99204

Established Patient

$100.80 typical visit price

range $18.48 – $141.20

Typical copayment $25.20 (range $4.62 – $35.30)

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

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

93%527 patients4/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

96%168 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

66%200 patients3/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

86%200 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

69%200 patients4/55-star benchmark: 79%

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 19

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

SURESH RAHEJA M.D.

Internal Medicine

3450 W WHEATLAND RD, SUITE #216
DALLAS, TX 75237

Dallas County (972) 709-7766

SOMERSET SURGICAL ASSOCIATES,PA

Surgery

3450 W WHEATLAND RD, POB II, SUITE 330
DALLAS, TX 75237

Dallas County (972) 298-2875

DR. TAMMIE LEA ROGERS M.D.

Internal Medicine

3450 W WHEATLAND RD, SUITE 325
DALLAS, TX 75237

Dallas County (927) 283-9400

ASHMEAD ALI MD

Pediatrics (Neonatal-Perinatal Medicine)

3450 W WHEATLAND RD, STE 343
DALLAS, TX 75237

Dallas County (972) 283-3737

MRS. BETHANY LESCH GRUBB PA-C, MPAS

Physician Assistant (Medical)

3450 W WHEATLAND RD, STE. 225
DALLAS, TX 75237

Dallas County (972) 283-8979

GAYLE LATRECE SMITH-BLAIR MD

Psychologist (Prescribing (Medical))

3450 W WHEATLAND RD, STE 235
DALLAS, TX 75237

Dallas County (214) 446-1240

JEFFREY D HOPKINS DDS MD PA

Surgery (Plastic and Reconstructive Surgery)

3450 W WHEATLAND RD, 425
DALLAS, TX 75237

Dallas County (972) 298-6641

PROGRESSIVE INTERNAL MEDICINE PLLC

Internal Medicine

3450 W WHEATLAND RD, # 325 -
DALLAS, TX 75237

Dallas County (214) 868-3209

CHARLES JOHN LOSTAK D.O.
NPI 1477549913
Internal Medicine - Gastroenterology in Dallas, TX

About Charles John Lostak D.o. NPPES

NPPES Registry Identity

Specialties & Licenses

Other Identifiers 3

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare Enrollment Status

Areas of Expertise CMS Part B claims 12

Hospital Affiliations CMS Care Compare

Methodist Charlton Medical Center

Physician Visit Costs CMS claims · ZIP area

Medicare Quality Performance CMS QPP · MIPS

Reported Quality Measures

Other Providers at the Same Location NPPES 19

Frequently Asked Questions

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