NICOLE HELEN BYARS P.A-C
NPI 1215052113
Physician Assistant in Antioch, CA

Q: What is Nicole Byars's NPI number?

The NPI number for Nicole Byars is 1215052113. It was assigned to this individual provider in the NPPES registry on March 20, 2007. The provider is also known as Nicole Helen Di Mercurio.

Q: What is Nicole Byars's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Nicole Byars was last updated on February 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.

Active since March 20, 2007PECOS EnrolledAccepts Medicare Assignment

3901 LONE TREE WAY, ANTIOCH, CA 94509(925) 779-7200 Get Directions Write a Review

NPPES record last updated: February 5, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 5, 2025, Mar 9, 2021 (2 updates tracked since 2021).

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About Nicole Helen Byars P.a-c NPPES

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

NICOLE HELEN BYARS P.A-C (NPI 1215052113) is an individual physician assistant in Antioch, California, licensed in California (PA 17580) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with Wakemed, Raleigh Campus, and maintains a secondary practice location in Raleigh.

NPPES Registry Identity

NPI1215052113

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameNICOLE HELEN BYARSCredential: P.A-C

Location Address3901 LONE TREE WAYAntioch, CA 94509-6200

Mailing Address2100 Powell St, Ste 900Emeryville, CA 94608-1826 · (510) 350-2664

Phone(925) 779-7200

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateMarch 20, 2007

Last NPPES UpdateFebruary 5, 20252 updates tracked since enumeration

NPPES CertifiedFebruary 5, 2025

✔ NPI 1215052113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Licenses✔ Licensed in CA · PA 17580✔ Licensed in NC · 0010-11193

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

3901 LONE TREE WAY, Antioch, CA 94509

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Other Names 1

Former Name (1)Nicole Helen Di Mercurio

Secondary Practice Location 1

Location 110000 Falls Of Neuse RdRaleigh, NC 27614-7838 · Phone (919) 350-8000

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

Nicole Helen Byars P.a-c 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 ID9537110473

PECOS Enrollment IDI20210603000950

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 4

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 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.

187 services106 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.

116 services113 patients

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.

109 services67 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.

22 services22 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wakemed, Raleigh Campus

Acute Care Hospitals · Raleigh, NC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340069

Location3000 New Bern AveRaleigh, NC 27610 · Wake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94509 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

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 20

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

DR. DUNG THINGOC NGUYEN PHARM. D.

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