GARY J MASZAK MD
NPI 1962443812
Internal Medicine - Cardiovascular Disease in San Antonio, TX

Q: What is Gary Maszak's NPI number?

The NPI number for Gary Maszak is 1962443812. It was assigned to this individual provider in the NPPES registry on June 10, 2006.

Q: What is Gary Maszak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Gary Maszak was last updated on January 24, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 10, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

6800 W IH 10, SUITE 200, SAN ANTONIO, TX 78201(210) 271-3203(210) 733-6983 Get Directions Write a Review

NPPES record last updated: January 24, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

On this page

About Gary J Maszak Md NPPES

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

GARY J MASZAK MD (NPI 1962443812) is an individual cardiovascular disease provider in San Antonio, Texas, licensed in Texas (M3313) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Peterson Regional Medical Center, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1999).

NPPES Registry Identity

NPI1962443812

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameGARY J MASZAKCredential: MD

Location Address6800 W IH 10, SUITE 200San Antonio, TX 78201-2038

Mailing Address6800 W Ih 10, Suite 200San Antonio, TX 78201-2038 · (210) 271-3203 · Fax (210) 733-6983

Phone(210) 271-3203

Fax(210) 733-6983

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1999

Enumeration DateJune 10, 2006

Last NPPES UpdateJanuary 24, 2022

✔ NPI 1962443812 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in TX · M3313

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License M3313 (TX)

6800 W IH 10, San Antonio, TX 78201

Open in Google Maps ↗

Other Identifiers 5

OtherP00948205TX · Railroad

Medicaid179869603TX

Other060047582TX · Railroad Medicare

Other8F4522TX · Bcbs

Other8CU312TX · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company.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

Gary J Maszak Md 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 ID6709898422

PECOS Enrollment IDI20060621000331

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 16

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

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

399 services270 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

270 services230 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

159 services157 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

109 services78 patients

Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist 93460

This procedure involves placing a tube into the heart chambers and coronary artery. It helps diagnose heart conditions. A radiologist reviews the images obtained. It's a standard, safe procedure performed by experienced medical professionals.

51 services51 patients

Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel 93571

This procedure involves using ultrasound technology to examine the first blood vessel of your heart. It helps identify any abnormalities or issues, providing crucial information for diagnosis or treatment. It's a safe, non-invasive process.

45 services42 patients

Initial hospital inpatient care per day, typically 70 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

36 services36 patients

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.

33 services33 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.

28 services28 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.

20 services20 patients

Removal of plaque and blood clot, insertion of stent and/or balloon dilation of single vessel 92941

This procedure involves removing plaque, a substance that can block your blood vessels, and any blood clots. A stent, a tiny tube, may be inserted to keep the vessel open. If necessary, a balloon is inflated to widen the vessel, aiding blood flow.

14 services14 patients

Insertion of tube in right and left heart chambers, coronary artery, and bypass graft for diagnosis with review by radiologist 93461

This procedure involves placing a tube into your heart's chambers and coronary artery to help diagnose heart conditions. A radiologist reviews images taken during the procedure to identify any issues. It's a critical step towards effective treatment.

12 services11 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.

12 services12 patients

Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist 93459

This procedure involves placing a tube into your left lower heart chamber, coronary artery, and bypass graft. It's done for diagnostic purposes and is carefully reviewed by a radiologist. This helps determine the health of your heart and arteries, aiding in future treatment plans.

11 services11 patients

Coronary angioplasty and stenting NAN05

Coronary angioplasty and stenting is a procedure to open narrowed or blocked heart arteries. A thin tube is inserted into a blood vessel, usually in the leg or arm, and guided to the heart. A small balloon at the end of the tube is inflated to widen the artery. A stent, a small wire mesh tube, may be placed in the artery to keep it open.

0 services246 patients

Pacemaker insertion or repair NAN10

Pacemaker insertion or repair is a procedure to help regulate your heartbeat. A small device, called a pacemaker, is implanted under the skin near your heart. This device sends electrical signals to prompt your heart to beat at a normal rate. In a repair procedure, the pacemaker may be adjusted, replaced, or the wires connecting it to your heart may be fixed.

0 services1 patient

Hospital Affiliations CMS Care Compare 3

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

Peterson Regional Medical Center

Acute Care Hospitals · Kerrville, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450007

Location551 Hill Country DriveKerrville, TX 78028 · Kerr County

Emergency services Birthing friendly

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450058

Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County

Emergency services Birthing friendly

Methodist Hospital

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450388

Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78201 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

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.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 13

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

RICHARD MARQUEZ PA-C

Physician Assistant (Medical)

6800 W IH 10, SUITE 200
SAN ANTONIO, TX 78201

Bexar County (210) 271-3203

TERESA ANN CRUTCHLEY M.D.

Surgery (Vascular Surgery)

6800 W IH 10, SUITE 130
SAN ANTONIO, TX 78201

Bexar County (210) 932-1487

KAREN M SUMMY CNS

Nurse Practitioner (Adult Health)

6800 W IH 10, SUITE 300
SAN ANTONIO, TX 78201

Bexar County (210) 616-0008

JAMES A KNIGHT MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

6800 W IH 10, SUITE 300
SAN ANTONIO, TX 78201

Bexar County (210) 616-0008

UMANG H SHAH MD

Internal Medicine (Cardiovascular Disease)

6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201

Bexar County (210) 692-1414

GRACE GLENDA BALDERAS A.P.R.N. B.C.

Nurse Practitioner

6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201

Bexar County (210) 692-1414

JOSE A PEREZ M.D.

Internal Medicine (Interventional Cardiology)

6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201

Bexar County (210) 615-1234

OBINNA GIFT ISIGUZO M.D.

Internal Medicine (Cardiovascular Disease)

6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201

Bexar County (210) 692-1414

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gary Maszak's NPI number?

The NPI number for Gary Maszak is 1962443812. It was assigned to this individual provider in the NPPES registry on June 10, 2006.

Where is Gary Maszak located?

Gary Maszak practices at 6800 W Ih 10 Suite 200, San Antonio, TX 78201. The listed phone number is (210) 271-3203.

What is Gary Maszak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Gary Maszak enrolled in Medicare?

Yes. Gary Maszak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gary Maszak accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare and Oscar Insurance Company list Gary Maszak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gary Maszak affiliated with any hospitals?

According to CMS data, Gary Maszak is affiliated with Peterson Regional Medical Center, Baptist Medical Center and Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Gary Maszak was last updated on January 24, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.