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DR. ZUZANA U FOSTER M.D.
NPI 1184621542
Internal Medicine - Rheumatology in Walnut Creek, CA

Active since June 30, 2005PECOS EnrolledAccepts Medicare Assignment
77.62/100
CMS Quality Rating
120 LA CASA VIA, STE 204, WALNUT CREEK, CA 94598(925) 210-1050(925) 210-1082 Get Directions Write a Review

NPPES record last updated: December 27, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Zuzana U Foster M.d. NPPES

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

DR. ZUZANA U FOSTER M.D. (NPI 1184621542) is an individual rheumatology provider in Walnut Creek, California, licensed in California (A65926) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1184621542
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. ZUZANA U FOSTERCredential: M.D.
Location Address120 LA CASA VIA, STE 204Walnut Creek, CA 94598-3007
Mailing Address120 La Casa Via, Ste 204Walnut Creek, CA 94598-3007 · (925) 210-1050 · Fax (925) 210-1082
Phone(925) 210-1050
Fax(925) 210-1082
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateJune 30, 2005
Last NPPES UpdateDecember 27, 2021
NPPES CertifiedDecember 27, 2021
✔ NPI 1184621542 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · A65926
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
120 LA CASA VIA, Walnut Creek, CA 94598
Open in Google Maps ↗

Other Identifiers 1

Medicaid00A659260CA

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. Zuzana U Foster M.d. 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 ID2466586052
PECOS Enrollment IDI20100818000577
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 11

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, golimumab, 1 mg, for intravenous use J1602
Golimumab is a medication given through an IV (a small tube in your vein). It helps to reduce inflammation and pain by blocking a protein in your body that causes inflammation. It's often used to treat conditions like rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis.
10,850 services13 patients
Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0129
Abatacept is a medication administered via injection under a doctor's supervision. It's used to treat conditions like rheumatoid arthritis by moderating the immune system. This code applies when the doctor administers the drug, not for self-administration.
6,000 services12 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
3,060 services27 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.
1,360 services501 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
392 services68 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.
188 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

77.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality69.33
Promoting Interoperability100
Improvement Activities40
Cost56.08

Reported Quality Measures

Controlling High Blood Pressure
30%64 patients2/55-star benchmark: 98%
Documentation of Current Medications in the Medical Record
100%3,308 patients5/55-star benchmark: 100%
Hepatitis B Safety Screening
24%42 patients
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
98%1,079 patients4/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
92%721 patients4/55-star benchmark: 100%
Safe Hydroxychloroquine Dosing
71%120 patients
Screening for Osteoporosis for Women Aged 65-85 Years of Age
79%383 patients4/55-star benchmark: 98%
Tuberculosis Screening Prior to First Course of Biologic and/or Immune Response Modifier Therapy
97%30 patients4/55-star benchmark: 100%
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 16

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

DR. DAVID W WU MD
Internal Medicine (Rheumatology)
120 LA CASA VIA, STE 204
WALNUT CREEK, CA 94598
Contra Costa County (925) 210-1050
EUGENE KAPLAN, MD A MEDICAL CORPORATION
Specialist
120 LA CASA VIA, SUITE 209
WALNUT CREEK, CA 94598
Contra Costa County (925) 979-9969
HENRY I. KUNG, M.D., A PROFESSIONAL CORPORATION
Specialist
120 LA CASA VIA, STE 107
WALNUT CREEK, CA 94598
Contra Costa County (925) 945-6070
ANITA WEINERMAN ROTH MD
Physical Medicine & Rehabilitation
120 LA CASA VIA, STE 208
WALNUT CREEK, CA 94598
Contra Costa County (925) 256-4045
ARTHRITIS & RHEUMATOLOGY MEDICAL ASSOCIATES, INC
Specialist
120 LA CASA VIA, SUITE 204
WALNUT CREEK, CA 94598
Contra Costa County (925) 210-1050
TIGHE RODERICK OHANRAHAN MD
Family Medicine
120 LA CASA VIA, SUITE 106
WALNUT CREEK, CA 94598
Contra Costa County (925) 934-5380
ROSEANN F. GOREY M.D. INC.
Surgery
120 LA CASA VIA, SUITE 207
WALNUT CREEK, CA 94598
Contra Costa County (925) 945-0707
DR. HENRY I-TSAI KUNG M.D.
Internal Medicine (Gastroenterology)
120 LA CASA VIA
WALNUT CREEK, CA 94598
Contra Costa County (925) 945-6070

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 Zuzana Foster's NPI number?

The NPI number for Zuzana Foster is 1184621542. It was assigned to this individual provider in the NPPES registry on June 30, 2005.

Where is Zuzana Foster located?

Zuzana Foster practices at 120 La Casa Via Ste 204, Walnut Creek, CA 94598. The listed phone number is (925) 210-1050.

What is Zuzana Foster's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Zuzana Foster enrolled in Medicare?

Yes. Zuzana Foster 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.

When was this NPI record last updated?

The NPPES record for Zuzana Foster was last updated on December 27, 2021. 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.