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DR. NAGI M DEMIAN D.D.S.
NPI 1043249287
Oral & Maxillofacial Surgery in Houston, TX

Active since July 01, 2006PECOS EnrolledAccepts Medicare Assignment
6560 FANNIN ST STE 1280, HOUSTON, TX 77030(713) 441-5577(713) 793-1869 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Nagi M Demian D.d.s. NPPES

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

DR. NAGI M DEMIAN D.D.S. (NPI 1043249287) is an individual oral & maxillofacial surgery provider in Houston, Texas, licensed in Texas (20025) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1043249287
Entity TypeIndividualMale
Primary Taxonomy204E00000X
Provider Legal NameDR. NAGI M DEMIANCredential: D.D.S.
Location Address6560 FANNIN ST STE 1280Houston, TX 77030-2753
Mailing Address6560 Fannin St Ste 1280Houston, TX 77030-2753 · (713) 441-5577
Phone(713) 441-5577
Fax(713) 793-1869
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJuly 1, 2006
Last NPPES UpdateMay 11, 2026
NPPES CertifiedMay 11, 2026
✔ NPI 1043249287 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOral & Maxillofacial SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code204E00000X
License✔ Licensed in TX · 20025
Definition
Oral and maxillofacial surgeons are trained to recognize and treat a wide spectrum of diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the oral and maxillofacial region. They are also trained to administer anesthesia, and provide care in an office setting. They are trained to treat problems such as the extraction of wisdom teeth, misaligned jaws, tumors and cysts of the jaw and mouth, and to perform dental implant surgery.
6560 FANNIN ST STE 1280, Houston, TX 77030
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Other Names 1

Other Name (5)Dr. Nagi Demian Dds, Md

Other Identifiers 2

Other89D304TX · Bcbs
Medicaid175800501TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nagi M Demian D.d.s. 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 ID5698709749
PECOS Enrollment IDI20050919001063
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Nagi Demian reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Houston Methodist Oral And Maxillofacial Surgeons, PLLC
Same address
Oral & Maxillofacial Surgery
6560 FANNIN ST STE 1280
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3 clinicians in this Medicare group
NPI 1306646286 (713) 441-5577
Tmhpo Oral & Maxillofacial Surgery
Same address
Oral & Maxillofacial Surgery
6560 FANNIN ST, SUITE 1228
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3 clinicians in this Medicare group
NPI 1174544738 (713) 441-5577
Tmh Physician Associates PLLC
0.1 mi
Ophthalmology
6550 FANNIN ST, SUITE 447
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,407 clinicians in this Medicare group
NPI 1275779225 (713) 441-7389
Ut Physicians
0.3 mi
Anesthesiology
6410 FANNIN ST, 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3,111 clinicians in this Medicare group
NPI 1033157821 (832) 325-7325

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
39 services39 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
22 services12 patients

Hospital Affiliations CMS Care Compare

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

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 5

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

ABDULLAHI HASSAN DDS
Dentist (Oral and Maxillofacial Surgery)
6560 FANNIN ST STE 1280
HOUSTON, TX 77030
Harris County (832) 876-9631
JAIME GATENO D.D.S., M.D.
Oral & Maxillofacial Surgery
6560 FANNIN ST STE 1280
HOUSTON, TX 77030
Harris County (713) 441-5577
DR. BRAYANN OSCAR ALEMAN DMD, MSD, FAACS
Oral & Maxillofacial Surgery
6560 FANNIN ST STE 1280
HOUSTON, TX 77030
Harris County (713) 441-5577
HOUSTON METHODIST ORAL AND MAXILLOFACIAL SURGEONS, PLLC
Oral & Maxillofacial Surgery
6560 FANNIN ST STE 1280
HOUSTON, TX 77030
Harris County (713) 441-5577
JAVIANNA VANESSA CASTELLANOS FERRER
Oral & Maxillofacial Surgery
6560 FANNIN ST STE 1280
HOUSTON, TX 77030
Harris County (713) 441-5577

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 Nagi Demian's NPI number?

The NPI number for Nagi Demian is 1043249287. It was assigned to this individual provider in the NPPES registry on July 1, 2006. The provider is also known as Dr. Nagi Demian Dds, MD.

Where is Nagi Demian located?

Nagi Demian practices at 6560 Fannin St Ste 1280, Houston, TX 77030. The listed phone number is (713) 441-5577.

What is Nagi Demian's specialty?

The primary specialty registered for this NPI is Oral & Maxillofacial Surgery with taxonomy code 204E00000X.

Is Nagi Demian enrolled in Medicare?

Yes. Nagi Demian 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.

Which organizations bill Medicare for Nagi Demian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nagi Demian reassigns Medicare benefits to 4 organizations: Houston Methodist Oral And Maxillofacial Surgeons, PLLC (Houston, TX), Tmhpo Oral & Maxillofacial Surgery (Houston, TX), Tmh Physician Associates PLLC (Houston, TX) and Ut Physicians (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nagi Demian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nagi Demian accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 13 other insurers list Nagi Demian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nagi Demian affiliated with any hospitals?

According to CMS data, Nagi Demian is affiliated with Houston Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Nagi Demian was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.