NADER K HIJAZI (MD) – Pulmonary Disease Physician, NPI 1609812775

NADER K HIJAZI (MD) is a healthcare provider. based in Dallas, Texas. specializing in Pulmonary Disease Physician. They hold the professional credentials MD. They hold a License No. L8247 (TX). The NPI Number for NADER K HIJAZI (MD) is 1609812775

Main info

Male
Name
NADER K HIJAZI (MD)
NPI
1609812775
Phone
(800) 994-0371
Address
PO BOX 844658
Enumeration Date
20 June 2006
Last Update Date
20 July 2023

Contacts

Secure Messaging
nhijazi1198583@direct.sw.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

Provider Addresses for NADER K HIJAZI (MD)

  • PO BOX 844658

    DALLAS, TX 752844658

    Phone: (800) 994-0371

    Type: Mailing

  • 700 SCOTT AND WHITE DR

    COLLEGE STATION, TX 778456441

    Phone: (979) 207-0100

    Type: Location

  • 1303, North Mound Street, Nacogdoches, Nacogdoches County, Texas, 75961, United States

    NACOGDOCHES, TX 75961

    Phone: (936) 560-1844

    Fax: (936) 564-5145

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-08-26

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040826000563IInternal MedicineTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 75284)

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Reviews

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Frequently asked questions

What is the 10-digit NPI for NADER K HIJAZI (MD)?
NADER K HIJAZI (MD) — NPI 1609812775 — is the standard way to identify this listing.
Does the file indicate NADER K HIJAZI (MD) is practicing under active NPI?
Directory data currently reports NADER K HIJAZI (MD) as active.
What taxonomy line describes NADER K HIJAZI (MD)?
For research purposes, treat NADER K HIJAZI (MD) as Pulmonary Disease Physician in this dataset. Clinical services aligned with this taxonomy classification.
Where is NADER K HIJAZI (MD) based?
NADER K HIJAZI (MD) is tied to Dallas, Texas in the data we show; additional addresses may exist on the full record.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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