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DR. ALLAN S AU M.D.
NPI 1427495563
Hospitalist in Fairfield, CA

Active since May 30, 2013PECOS EnrolledAccepts Medicare Assignment
1200 B GALE WILSON BLVD, FAIRFIELD, CA 94533(707) 646-5000 Get Directions Write a Review

NPPES record last updated: December 19, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Allan S Au M.d. NPPES

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

DR. ALLAN S AU M.D. (NPI 1427495563) is an individual hospitalist provider in Fairfield, California, licensed in California (A146155) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1427495563
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. ALLAN S AUCredential: M.D.
Location Address1200 B GALE WILSON BLVDFairfield, CA 94533-3552
Mailing Address1200 B Gale Wilson BlvdFairfield, CA 94533-3552 · (707) 646-5000
Phone(707) 646-5000
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateMay 30, 2013
Last NPPES UpdateDecember 19, 2016
✔ NPI 1427495563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A146155
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
1200 B GALE WILSON BLVD, Fairfield, CA 94533
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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. Allan S Au 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 ID6507141421
PECOS Enrollment IDI20170316000078
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 5

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.

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.
410 services168 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 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.
211 services91 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
64 services63 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 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.
30 services30 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.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94533 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
$145.83 typical visit price
range $65.02 – $191.95
Typical copayment $36.45 (range $16.25 – $47.98)
Most-billed visit code 99204
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
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…
99%258 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.

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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers15 claims15 services$17.55 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier11 claims11 services$5.50 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers28 claims28 services$88.90 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.

DR. JOSEPH J DOMINGUEZ M.D.
Anesthesiology
1200 B GALE WILSON BLVD
FAIRFIELD, CA 94533
Solano County (916) 481-6800
DR. JEFFREY J SAADI M.D.
Anesthesiology
1200 B GALE WILSON BLVD
FAIRFIELD, CA 94533
Solano County (916) 481-6800
SETH ABRAHAM KAUFMAN M.D.
Emergency Medicine
1200 B GALE WILSON BLVD
FAIRFIELD, CA 94533
Solano County (707) 429-7830
JULIE ANN HERSK M.D.
Emergency Medicine
1200 B GALE WILSON BLVD
FAIRFIELD, CA 94533
Solano County (707) 429-3600
ANGELINE SABRINA ZARGHAMI RN
Registered Nurse
1200 B GALE WILSON BLVD
FAIRFIELD, CA 94533
Solano County (707) 646-4166
JUDY GEIB GONZALES RN
Registered Nurse
1200 B GALE WILSON BLVD, LINDA PRYOR, CORPORATE COMPLIANCE
FAIRFIELD, CA 94533
Solano County (707) 864-5383
LAURENCE CECILIO NP
Nurse Practitioner (Acute Care)
1200 B GALE WILSON BLVD
FAIRFIELD, CA 94533
Solano County (707) 646-5000
NORTHBAY HEALTH FOUNDATION
Dietitian, Registered
1200 B GALE WILSON BLVD
FAIRFIELD, CA 94533
Solano County (707) 646-5000

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 Allan Au's NPI number?

The NPI number for Allan Au is 1427495563. It was assigned to this individual provider in the NPPES registry on May 30, 2013.

Where is Allan Au located?

Allan Au practices at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. The listed phone number is (707) 646-5000.

What is Allan Au's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Allan Au enrolled in Medicare?

Yes. Allan Au 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 Allan Au was last updated on December 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.