DR. GEORGE ANSSTAS MD
NPI 1790988053
Internal Medicine - Medical Oncology in Saint Louis, MO

Q: What is George Ansstas's NPI number?

The NPI number for George Ansstas is 1790988053. It was assigned to this individual provider in the NPPES registry on June 6, 2007.

Q: What is George Ansstas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for George Ansstas was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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 June 06, 2007PECOS EnrolledAccepts Medicare Assignment

92.39/100

CMS Quality Rating

4921 PARKVIEW PL, DIV IM MEDICAL ONCOLOGY, STE 7A, 7B, 7C, SAINT LOUIS, MO 63110(800) 647-2098(314) 362-3192 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Nov 15, 2021 and 4 more (7 updates tracked since 2015).

On this page

About Dr. George Ansstas Md NPPES

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

DR. GEORGE ANSSTAS MD (NPI 1790988053) is an individual medical oncology provider in Saint Louis, Missouri, licensed in Missouri (2007026336) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1790988053

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameDR. GEORGE ANSSTASCredential: MD

Location Address4921 PARKVIEW PL, DIV IM MEDICAL ONCOLOGY, STE 7A, 7B, 7CSaint Louis, MO 63110-1032

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (800) 647-2098 · Fax (314) 362-3192

Phone(800) 647-2098

Fax(314) 362-3192

Sole ProprietorNo

Medical School CMSOtherGraduated 2001

Enumeration DateJune 6, 2007

Last NPPES UpdateApril 15, 20257 updates tracked since enumeration

✔ NPI 1790988053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in MO · 2007026336

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal MedicineTaxonomy 207R00000X · License 2007026336 (MO)

4921 PARKVIEW PL, Saint Louis, MO 63110

Open in Google Maps ↗

Other Identifiers 1

Medicaid207520909MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.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

Dr. George Ansstas 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 ID4284724907

PECOS Enrollment IDI20071219000248, I20181029002555

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 17

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.

360 services20 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.

338 services133 patients

Injection, granisetron hydrochloride, 100 mcg J1626

Granisetron hydrochloride is an anti-nausea medication given by injection. It helps prevent nausea and vomiting often caused by cancer treatments like chemotherapy. Its dosage is measured in micrograms (mcg).

210 services11 patients

Injection, palonosetron hcl, 25 mcg J2469

Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.

190 services11 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.

119 services52 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.

88 services52 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.

71 services27 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.

37 services21 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

32 services24 patients

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

25 services20 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 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

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 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.

18 services14 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.

17 services13 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

16 services14 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.

16 services16 patients

Infusion into a vein for hydration, 31-60 minutes 96360

This is a procedure where a sterile solution is administered into your vein to help restore body fluid balance. It typically lasts between 31-60 minutes. It's a safe, common treatment for dehydration or to deliver medication.

12 services11 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial Hospital

Acute Care Hospitals · Belleville, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140185

Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County

Emergency services Birthing friendly

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260032

LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County

Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260108

Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County

Emergency services Birthing friendly

Barnes-Jewish West County Hospital

Acute Care Hospitals · Creve Coeur, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260162

Location12634 Olive BoulevardCreve Coeur, MO 63141 · St. Louis County

Emergency services

Barnes-Jewish St Peters Hospital

Acute Care Hospitals · Saint Peters, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260191

Location10 Hospital DrSaint Peters, MO 63376 · St. Charles County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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

$169.38 typical visit price

range $55.65 – $169.38

Typical copayment $42.34 (range $13.91 – $42.34)

Most-billed visit code 99205

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

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.

92.39/100

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

Scored as part of a group practice

Quality

97.81

Promoting Interoperability

100

Improvement Activities

Cost

70.26

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Electrical stimulation device used for cancer treatment, includes all accessories, any type E0766

DME-Other DME · category DE000N

1 supplier28 claims28 services$11,149.99 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MS. CHERYL ANNE WOOLSEY PA

Physician Assistant

4921 PARKVIEW PL, DIV SURG HPB, STE 12B
SAINT LOUIS, MO 63110

St. Louis City (314) 747-0410

DR. CHARLES PHILLIPS JONES MD

Urology

4921 PARKVIEW PL, DIV SURG UROLOGY, STE 11C
SAINT LOUIS, MO 63110

St. Louis City (314) 362-8200

DR. PRABHA RANGANATHAN MD

Internal Medicine (Rheumatology)

4921 PARKVIEW PL, DIV IM RHEUMATOLOGY, STE 5C
SAINT LOUIS, MO 63110

St. Louis City (314) 286-2635

DR. RALPH GERARD DACEY JR. MD

Neurological Surgery

4921 PARKVIEW PL, DEPT NEUROLOGICAL SURGERY, STE 6B/6C
SAINT LOUIS, MO 63110

St. Louis City (314) 362-3577

DR. KRASIMIRA MIKHAILOVA MIKHOVA MD

Internal Medicine (Clinical Cardiac Electrophysiology)

4921 PARKVIEW PL, DIV IM CARDIOLOGY, STE 8B
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1291

DR. JEE YOUNG HAN MD

Psychiatry & Neurology (Neurology)

4921 PARKVIEW PL, DIV NEUROLOGY AGING AND DEMENTIA, STE 6C
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1408

MS. MAREN JORGENSEN OT

Occupational Therapist

4921 PARKVIEW PL, DEPT OCCUPATIONAL THERAPY, STE 6F
SAINT LOUIS, MO 63110

St. Louis City (314) 286-1669

DR. ADRIAN SHIFREN MD

Internal Medicine (Pulmonary Disease)

4921 PARKVIEW PL, DIV IM PULMONARY AND CCM, 8TH FL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-8917

DR. MYRA L RUBIO MD

Internal Medicine

4921 PARKVIEW PL, STE 5A
SAINT LOUIS, MO 63110

St. Louis City (314) 747-5900

DR. PETER G TUTEUR MD

Internal Medicine (Pulmonary Disease)

4921 PARKVIEW PL, 8TH FLOOR
SAINT LOUIS, MO 63110

St. Louis City (314) 454-8917

DR. RAMASWAMY GOVINDAN MD

Internal Medicine (Medical Oncology)

4921 PARKVIEW PL, DIV IM MEDICAL ONCOLOGY, STE 7A, 7B, 7C
SAINT LOUIS, MO 63110

St. Louis City (800) 647-2098

DR. CAROLYN KAY MCCOURT MD

Obstetrics & Gynecology (Gynecologic Oncology)

4921 PARKVIEW PL, DIV OBGYN GYNECOLOGIC ONCOLOGY, STE 13C
SAINT LOUIS, MO 63110

St. Louis City (314) 362-3181

DR. ADEL BASSAM TABCHY MD

Internal Medicine (Medical Oncology)

4921 PARKVIEW PL, 7TH FLOOR
SAINT LOUIS, MO 63110

St. Louis City (314) 747-1171

DR. BRIAN ADAMS KELLY MD

Orthopaedic Surgery (Pediatric Orthopaedic Surgery)

4921 PARKVIEW PL, DEPT ORTHOPAEDIC SURGERY, STE 6A/6B/12A
SAINT LOUIS, MO 63110

St. Louis City (314) 514-3500

DR. NICHOLAS ANDREW PALLOTTA MD

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

4921 PARKVIEW PL, DEPT ORTHOPAEDIC SURGERY, STE 6A/6B/12A
SAINT LOUIS, MO 63110

St. Louis City (314) 514-3500

MS. LORNA C KAHN PT

Physical Therapist

4921 PARKVIEW PL, DEPT PHYSICAL THERAPY, STE 6F
SAINT LOUIS, MO 63110

St. Louis City (314) 286-1940

MS. BRENDA G GOTTER AUD

Audiologist

4921 PARKVIEW PL, DEPT OTOLARYNGOLOGY, STE 11A
SAINT LOUIS, MO 63110

St. Louis City (314) 362-7509

DR. KAN LIU MD

Internal Medicine (Cardiovascular Disease)

4921 PARKVIEW PL, DIV IM CARDIOLOGY, STE 8B
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1291

DR. SINA A JASIM MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4921 PARKVIEW PL, DIV IM ENDOCRINOLOGY, STE 5C
SAINT LOUIS, MO 63110

St. Louis City (314) 362-3500

MS. SUSAN ANNETTE WILLIAMS PA

Physician Assistant (Medical)

4921 PARKVIEW PL, DIV NEUROLOGY EPILEPSY, STE 6C
SAINT LOUIS, MO 63110

St. Louis City (314) 362-7845

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 George Ansstas's NPI number?

The NPI number for George Ansstas is 1790988053. It was assigned to this individual provider in the NPPES registry on June 6, 2007.

Where is George Ansstas located?

George Ansstas practices at 4921 Parkview Pl Div Im Medical Oncology, Ste 7A, 7B, 7C, Saint Louis, MO 63110. The listed phone number is (800) 647-2098.

What is George Ansstas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is George Ansstas enrolled in Medicare?

Yes. George Ansstas 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 George Ansstas accept?

Health plans from Cox HealthPlans list George Ansstas 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 George Ansstas affiliated with any hospitals?

According to CMS data, George Ansstas is affiliated with Memorial Hospital, Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and Barnes-Jewish St Peters Hospital.

When was this NPI record last updated?

The NPPES record for George Ansstas was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.