1. Home
  2. Directory
  3. California
  4. Concord
  5. Physician Assistant
  6. NPI Profile

GREGORIO BARAJAS
NPI 1003470931
Physician Assistant in Concord, CA

Active since April 25, 2019PECOS Enrolled
94.62/100
CMS Quality Rating
1001 GALAXY WAY # 400, CONCORD, CA 94520(925) 225-5837 Get Directions Write a Review

NPPES record last updated: January 25, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 25, 2022, Oct 19, 2020, Apr 25, 2019 (3 updates tracked since 2019).

About Gregorio Barajas NPPES

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

GREGORIO BARAJAS (NPI 1003470931) is an individual physician assistant in Concord, California, licensed in California (PA56948) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and maintains a secondary practice location in Perris.

NPPES Registry Identity

NPI1003470931
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameGREGORIO BARAJAS
Location Address1001 GALAXY WAY # 400Concord, CA 94520-5725
Mailing Address1001 Galaxy Way # 400Concord, CA 94520-5725 · (925) 225-5837
Phone(925) 225-5837
Sole ProprietorYes
Enumeration DateApril 25, 2019
Last NPPES UpdateJanuary 25, 20223 updates tracked since enumeration
NPPES CertifiedJanuary 25, 2022
✔ NPI 1003470931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA56948
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.
1001 GALAXY WAY # 400, Concord, CA 94520
Open in Google Maps ↗

Secondary Practice Location 1

Location 1222 W 5th StPerris, CA 92570-2023 · Phone (951) 805-2004

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregorio Barajas is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
45 services45 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
31 services29 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94520 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.

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.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

Other Providers at the Same Location NPPES

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

GREGORY BOHDAN WOLOSCHYN PA-C
Physician Assistant
1001 GALAXY WAY # 400
CONCORD, CA 94520
Contra Costa County (925) 225-5837

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 Gregorio Barajas's NPI number?

The NPI number for Gregorio Barajas is 1003470931. It was assigned to this individual provider in the NPPES registry on April 25, 2019.

Where is Gregorio Barajas located?

Gregorio Barajas practices at 1001 Galaxy Way # 400, Concord, CA 94520. The listed phone number is (925) 225-5837.

What is Gregorio Barajas's specialty?

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

Is Gregorio Barajas enrolled in Medicare?

Yes. Gregorio Barajas is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregorio Barajas was last updated on January 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.