MAY Y CHIU MD
NPI 1407857329
Internal Medicine - Nephrology in Walnut Creek, CA

Active since August 02, 2005PECOS EnrolledAccepts Medicare Assignment
112 LA CASA VIA, SUITE 210, WALNUT CREEK, CA 94598(925) 944-0351(925) 944-1957 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About May Y Chiu Md NPPES

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

MAY Y CHIU MD (NPI 1407857329) is an individual nephrology provider in Walnut Creek, California, licensed in California (G84473) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (1991).

NPPES Registry Identity

NPI1407857329
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameMAY Y CHIUCredential: MD
Location Address112 LA CASA VIA, SUITE 210Walnut Creek, CA 94598-3091
Mailing Address112 La Casa Via, Suite 210Walnut Creek, CA 94598-3091 · (925) 944-0351 · Fax (925) 944-1957
Fax(925) 944-1957
Sole ProprietorNo
Medical School CMSAlbany Medical College Of Union UniversityGraduated 1991
Enumeration DateAugust 2, 2005
Last NPPES UpdateJuly 8, 2007
NPI 1407857329 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in CA · G84473
Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

112 LA CASA VIA, Walnut Creek, CA 94598

Other Identifiers 5

OtherCP044Railroad Medicare
Medicare ID-Type UnspecifiedZZZ96217Z
MedicaidGR0020610CA
Medicare UPING36124
Medicare ID-Type Unspecified00G844730

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

May Y Chiu 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 ID5395655328
PECOS Enrollment IDI20080208000328
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 10

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Follow-up hospital inpatient care per day, typically 35 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
613 services241 patients
Follow-up hospital inpatient care per day, typically 25 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.
373 services160 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
324 services39 patients
Established patient office or other outpatient visit, 30-39 minutes 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.
183 services83 patients
Established patient office or other outpatient visit, 40-54 minutes 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.
169 services90 patients
Initial hospital inpatient care per day, typically 70 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.
142 services136 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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
91%290 patients4/55-star benchmark: 100%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
4%114 patients1/55-star benchmark: 85%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
98%54 patients4/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
98%590 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
97%564 patients4/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
98%130 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
75%256 patients4/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
34%250 patients2/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
63%265 patients3/55-star benchmark: 88%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 100% · 165 patients
96%165 patients4/55-star benchmark: 98%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
75%256 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
3%256 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
5%256 patients
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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims690 services$0.36 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers12 claims12 services$18.96 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
2 suppliers11 claims12 services$12.66 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.

Internal Medicine (Gastroenterology)
112 LA CASA VIA, SUITE 320
WALNUT CREEK, CA 94598
Internal Medicine (Nephrology)
112 LA CASA VIA, SUITE 210
WALNUT CREEK, CA 94598
Nurse Practitioner
112 LA CASA VIA, STE 210
WALNUT CREEK, CA 94598
Internal Medicine (Nephrology)
112 LA CASA VIA, SUITE 210
WALNUT CREEK, CA 94598
Internal Medicine (Nephrology)
112 LA CASA VIA, SUITE 210
WALNUT CREEK, CA 94598
Internal Medicine (Nephrology)
112 LA CASA VIA, STE 210
WALNUT CREEK, CA 94598
Internal Medicine (Nephrology)
112 LA CASA VIA, STE 210
WALNUT CREEK, CA 94598
Internal Medicine (Nephrology)
112 LA CASA VIA, STE 210
WALNUT CREEK, CA 94598

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407857329, enumerated as an "individual" on August 02, 2005.

The provider is located at 112 LA CASA VIA SUITE 210 WALNUT CREEK, CA 94598 and the phone number is (925) 944-0351.

Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.

The provider might be accepting Accepts: Railroad Medicare, Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.