KRISTIN BREW MD
NPI 1669568655
Otolaryngology in Castro Valley, CA

Active since October 05, 2006PECOS EnrolledAccepts Medicare Assignment
20101 LAKE CHABOT RD FL 3, CASTRO VALLEY, CA 94546(510) 204-1844(510) 506-7729 Get Directions Write a Review

NPPES record last updated: December 27, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Kristin Brew Md NPPES

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

KRISTIN BREW MD (NPI 1669568655) is an individual otolaryngology provider in Castro Valley, California, licensed in California (G73735) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (1990).

NPPES Registry Identity

NPI1669568655
Entity TypeIndividualFemale
Primary Taxonomy207Y00000X
Provider Legal NameKRISTIN BREWCredential: MD
Location Address20101 LAKE CHABOT RD FL 3Castro Valley, CA 94546-5305
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (510) 204-1844 · Fax (510) 506-7729
Fax(510) 506-7729
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 1990
Enumeration DateOctober 5, 2006
Last NPPES UpdateDecember 27, 2022
NPPES CertifiedDecember 27, 2022
✔ NPI 1669568655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in CA · G73735
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
20101 LAKE CHABOT RD FL 3, Castro Valley, CA 94546

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

Kristin Brew 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 ID5193899300
PECOS Enrollment IDI20080806000648
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 Kristin Brew reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group

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 6

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.
127 services98 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
83 services83 patients
Removal of impacted ear wax 69210
Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
69 services58 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
25 services24 patients
Diagnostic exam of nasal passages using an endoscope 31231
A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.
15 services14 patients
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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.

Other Providers at the Same Location NPPES 12

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

Physician Assistant
20101 LAKE CHABOT RD FL 3
CASTRO VALLEY, CA 94546
Family Medicine
20101 LAKE CHABOT RD FL 3
CASTRO VALLEY, CA 94546
Pediatrics
20101 LAKE CHABOT RD FL 3
CASTRO VALLEY, CA 94546
Family Medicine
20101 LAKE CHABOT RD FL 3
CASTRO VALLEY, CA 94546
Internal Medicine
20101 LAKE CHABOT RD FL 3
CASTRO VALLEY, CA 94546
Pediatrics
20101 LAKE CHABOT RD FL 3
CASTRO VALLEY, CA 94546
Registered Nurse (Diabetes Educator)
20101 LAKE CHABOT RD FL 3
CASTRO VALLEY, CA 94546
Registered Nurse (Diabetes Educator)
20101 LAKE CHABOT RD FL 3
CASTRO VALLEY, CA 94546

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 Kristin Brew's NPI number?

The NPI number for Kristin Brew is 1669568655. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Kristin Brew located?

Kristin Brew practices at 20101 Lake Chabot Rd Fl 3, Castro Valley, CA 94546. The listed phone number is (510) 204-1844.

What is Kristin Brew's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Kristin Brew enrolled in Medicare?

Yes. Kristin Brew 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 Kristin Brew's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Brew reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, CA). 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 Kristin Brew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kristin Brew was last updated on December 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.