CORWIN OSWALD DEMATTOS
NPI 1720617756
Nurse Practitioner - Family in Grayson, GA

Active since April 02, 2020PECOS EnrolledAccepts Medicare Assignment
1637 ATLANTA HWY SUITE A, GRAYSON, GA 30017(678) 344-8268 Get Directions Write a Review

NPPES record last updated: December 2, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 2, 2021, Apr 2, 2020 (2 updates tracked since 2020).

About Corwin Oswald Demattos NPPES

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

CORWIN OSWALD DEMATTOS (NPI 1720617756) is an individual family provider in Grayson, Georgia, licensed in Georgia (189365) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Northside Hospital Gwinnett, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1720617756
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameCORWIN OSWALD DEMATTOS
Location Address1637 ATLANTA HWY SUITE AGrayson, GA 30017-3001
Mailing Address1637 Atlanta Hwy Suite AGrayson, GA 30017-5942 · (678) 344-8268
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 2, 2020
Last NPPES UpdateDecember 2, 20212 updates tracked since enumeration
NPPES CertifiedNovember 23, 2021
NPI 1720617756 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in GA · 189365
1637 ATLANTA HWY SUITE A, Grayson, GA 30017

Other Identifiers 1

Other054674999GA · Georgia Identification Card

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

Corwin Oswald Demattos 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 ID8628429354
PECOS Enrollment IDI20240108003181
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 2

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.
54 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.
17 services17 patients

Hospital Affiliations CMS Care Compare

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

Northside Hospital Gwinnett

Acute Care Hospitals · Lawrenceville, GA
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110087
Location1000 Medical Center BoulevardLawrenceville, GA 30046 · Gwinnett County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30017 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
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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.

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 Corwin Demattos's NPI number?

The NPI number for Corwin Demattos is 1720617756. It was assigned to this individual provider in the NPPES registry on April 2, 2020.

Where is Corwin Demattos located?

Corwin Demattos practices at 1637 Atlanta Hwy Suite A, Grayson, GA 30017. The listed phone number is (678) 344-8268.

What is Corwin Demattos's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Corwin Demattos enrolled in Medicare?

Yes. Corwin Demattos 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.

Is Corwin Demattos affiliated with any hospitals?

According to CMS data, Corwin Demattos is affiliated with Northside Hospital Gwinnett.

When was this NPI record last updated?

The NPPES record for Corwin Demattos was last updated on December 2, 2021. 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.