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WILLIAM S. BREALL M.D.
NPI 1124042635
Internal Medicine - Cardiovascular Disease in San Francisco, CA

Active since July 27, 2006PECOS EnrolledAccepts Medicare Assignment
94.25/100
CMS Quality Rating
2250 HAYES ST, SUITE 204, SAN FRANCISCO, CA 94117(415) 933-9100(415) 933-9133 Get Directions Write a Review

NPPES record last updated: April 25, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William S. Breall M.d. NPPES

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

WILLIAM S. BREALL M.D. (NPI 1124042635) is an individual cardiovascular disease provider in San Francisco, California, licensed in California (A16635) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Oregon Health Sciences University School Of Medicine (1954).

NPPES Registry Identity

NPI1124042635
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameWILLIAM S. BREALLCredential: M.D.
Location Address2250 HAYES ST, SUITE 204San Francisco, CA 94117-1078
Mailing Address2250 Hayes St, Suite 204San Francisco, CA 94117-1078 · (415) 933-9100 · Fax (415) 933-9133
Phone(415) 933-9100
Fax(415) 933-9133
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1954
Enumeration DateJuly 27, 2006
Last NPPES UpdateApril 25, 2008
✔ NPI 1124042635 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 CA · A16635
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 MedicineTaxonomy 207R00000X · License A16635 (CA)
2250 HAYES ST, San Francisco, CA 94117
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type UnspecifiedA16635
Medicare UPINA20609
Medicaid00A166350CA

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

William S. Breall 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 ID3274637715
PECOS Enrollment IDI20070322000530
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 3

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.

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.
106 services30 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.
41 services18 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
36 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94117 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

94.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.94
Improvement Activities40

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.

DR. BILL MORLEY JENKIN JR. DPM
Podiatrist
2250 HAYES ST, SUITE 4A
SAN FRANCISCO, CA 94117
San Francisco County (415) 759-2014
BREALL GROUP
Internal Medicine (Cardiovascular Disease)
2250 HAYES ST, SUITE 204
SAN FRANCISCO, CA 94117
San Francisco County (415) 933-9100
ALBERT P LEE M.D.
Internal Medicine (Cardiovascular Disease)
2250 HAYES ST, SUITE 204
SAN FRANCISCO, CA 94117
San Francisco County (415) 933-9100
DR. KWOK L CHAN M.D.
Internal Medicine
2250 HAYES ST, SUITE 502
SAN FRANCISCO, CA 94117
San Francisco County (415) 752-0337
DR. LEE OZAETA MD
Family Medicine
2250 HAYES ST, SUITE 302
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5995
BAY AREA REHABILITATION MEDICAL GROUP
Physical Medicine & Rehabilitation
2250 HAYES ST
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5762
JOEL ROBERTSON CLARK DPM
Podiatrist
2250 HAYES ST, SUITE 4A
SAN FRANCISCO, CA 94117
San Francisco County (415) 759-2014
EUGENE C GROEGER
Surgery
2250 HAYES ST, STE 302
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5995

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 William Breall's NPI number?

The NPI number for William Breall is 1124042635. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is William Breall located?

William Breall practices at 2250 Hayes St Suite 204, San Francisco, CA 94117. The listed phone number is (415) 933-9100.

What is William Breall's specialty?

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

Is William Breall enrolled in Medicare?

Yes. William Breall 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 William Breall was last updated on April 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.