JAMES BRIAN SZENDER MD
NPI 1245473149
Obstetrics & Gynecology - Gynecologic Oncology in San Antonio, TX

Q: What is James Szender's NPI number?

The NPI number for James Szender is 1245473149. It was assigned to this individual provider in the NPPES registry on April 8, 2009.

Q: What is James Szender's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Q: When was this NPI record last updated?

The NPPES record for James Szender was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 08, 2009PECOS EnrolledAccepts Medicare Assignment

4383 MEDICAL DR, SAN ANTONIO, TX 78229(210) 593-5700 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Aug 16, 2017 and 1 more (4 updates tracked since 2017).

On this page

About James Brian Szender Md NPPES

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

JAMES BRIAN SZENDER MD (NPI 1245473149) is an individual gynecologic oncology provider in San Antonio, Texas, licensed in Texas (R1659) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and maintains a secondary practice location in Buffalo.

NPPES Registry Identity

NPI1245473149

Entity TypeIndividualMale

Primary Taxonomy207VX0201X

Provider Legal NameJAMES BRIAN SZENDERCredential: MD

Location Address4383 MEDICAL DRSan Antonio, TX 78229-3307

Mailing Address4383 Medical DrSan Antonio, TX 78229-3307 · (210) 593-5700

Phone(210) 593-5700

Sole ProprietorNo

Medical School CMSCreighton University School Of MedicineGraduated 2009

Enumeration DateApril 8, 2009

Last NPPES UpdateJuly 21, 20224 updates tracked since enumeration

✔ NPI 1245473149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207VX0201X

Licenses✔ Licensed in TX · R1659✔ Licensed in NY · 270045

Definition

An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License BP1003505 (TX)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4383 MEDICAL DR, San Antonio, TX 78229

Open in Google Maps ↗

Secondary Practice Location 1

Location 1Elm and Carlton StreetsBuffalo, NY 14263 · Phone (716) 845-5776

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community First, UnitedHealthcare and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

James Brian Szender 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 ID2466720933

PECOS Enrollment IDI20170626001178

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.

Medicare Billing Reassignment

Medicare enrollment records show James Szender reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

South Texas Oncology And Hematology, PLLC

Same address

Hematology & Oncology

4383 MEDICAL DRIVE
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
51 clinicians in this Medicare group

NPI 1770664542 (210) 593-2575

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 20

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.

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

640 services14 patients

Injection, carboplatin, 50 mg J9045

Carboplatin is a chemotherapy drug used to treat various types of cancer by slowing or stopping the growth of cancer cells. The 50 mg injection is administered into a vein by a healthcare professional. Side effects may occur.

360 services12 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

130 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 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.

123 services84 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

108 services30 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

105 services22 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

105 services23 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

104 services19 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 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.

98 services29 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

86 services13 patients

Administration of additional new drug or substance into vein, 1 hour or less 96417

This procedure involves introducing a new drug or substance into your vein, typically via an IV drip. It lasts for an hour or less. This method allows the substance to quickly reach your bloodstream, ensuring rapid and effective treatment.

70 services14 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

36 services11 patients

Implantation of biologic implant to soft tissue 15777

The procedure involves placing a biological implant into soft tissue to support healing or replace damaged tissue. These implants are made from natural materials and are designed to work with your body's own healing processes. This can aid recovery and improve function.

33 services33 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 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.

33 services30 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

29 services29 patients

Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less 58571

This procedure involves the removal of certain internal structures through small incisions in the abdomen, using a special tool called an endoscope. It's performed when these structures are causing health issues. The weight reference (250.0 g or less) relates to the size of the structures being removed.

27 services27 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

24 services24 patients

Imaging of lymph nodes during surgery 38900

Imaging of lymph nodes during surgery involves taking detailed pictures of your lymph nodes to help surgeons see and assess them in real-time. This procedure can aid in detecting disease, guiding treatment, and improving surgical precision.

16 services16 patients

Biopsy and removal of lymph nodes of abdominal cavity using an endoscope 38570

This procedure involves using a thin, flexible tool called an endoscope to examine and remove lymph nodes in the abdominal area. The endoscope is inserted through a small incision. It allows doctors to view and biopsy, or take samples of, any suspicious tissues for further testing.

14 services14 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

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

Guadalupe Regional Medical Center

Acute Care Hospitals · Seguin, TX

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number450104

Location1215 E Court StSeguin, TX 78155 · Guadalupe 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

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number670055

Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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

$166.88 typical visit price

range $54.84 – $166.88

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

Most-billed visit code 99205

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

Other Providers at the Same Location NPPES 20

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

RADHAMANI KANNAIYAN M.D.,

Internal Medicine (Hematology & Oncology)

4383 MEDICAL DR
SAN ANTONIO, TX 78229

Bexar County (520) 548-7894

SUVARNA LAKSHMI GUVVALA MD

Internal Medicine (Hematology & Oncology)

4383 MEDICAL DR
SAN ANTONIO, TX 78229

Bexar County (210) 593-5700

JARON EVAN MARK M.D.

Obstetrics & Gynecology (Gynecologic Oncology)

4383 MEDICAL DR
SAN ANTONIO, TX 78229

Bexar County (210) 593-5700

DR. SARA MARIA CONDE MD

Internal Medicine (Medical Oncology)

4383 MEDICAL DR, 2ND FLOOR
SAN ANTONIO, TX 78229

Bexar County (210) 593-5700

DR. AMY S LANG M.D.

Internal Medicine (Medical Oncology)

4383 MEDICAL DR
SAN ANTONIO, TX 78229

Bexar County (210) 593-5700

ANALESA GRACE LYLES PA

Physician Assistant

4383 MEDICAL DR
SAN ANTONIO, TX 78229

Bexar County (210) 593-5700

DR. JOSEPH R. HOLAHAN M.D.

Internal Medicine (Hematology)

4383 MEDICAL DR
SAN ANTONIO, TX 78229

Bexar County (210) 593-5700

DR. NAOMI L. WILLIAMS DNP, FNP-BC, NP-C

Nurse Practitioner (Family)

4383 MEDICAL DR
SAN ANTONIO, TX 78229

Bexar County (210) 593-5721

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 James Szender's NPI number?

The NPI number for James Szender is 1245473149. It was assigned to this individual provider in the NPPES registry on April 8, 2009.

Where is James Szender located?

James Szender practices at 4383 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 593-5700.

What is James Szender's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is James Szender enrolled in Medicare?

Yes. James Szender 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.

Which organization bills Medicare for James Szender's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Szender reassigns Medicare benefits to South Texas Oncology And Hematology, PLLC (San Antonio, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Szender's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Szender accept?

Health plans from Blue Cross and Blue Shield of Texas, Community First, UnitedHealthcare and WellPoint list James Szender 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 James Szender affiliated with any hospitals?

According to CMS data, James Szender is affiliated with Baptist Medical Center, Guadalupe Regional Medical Center, Methodist Hospital and Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for James Szender was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.