1. Home
  2. Directory
  3. Texas
  4. Houston
  5. Emergency Medicine
  6. NPI Profile

DR. NASIR KHAN M.D.
NPI 1659328714
Emergency Medicine in Houston, TX

Active since May 27, 2006PECOS EnrolledAccepts Medicare Assignment
4200 PORTSMOUTH ST, HOUSTON, TX 77027(713) 774-7611(214) 712-2487 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Nasir Khan M.d. NPPES

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

DR. NASIR KHAN M.D. (NPI 1659328714) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (L6462) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1659328714
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. NASIR KHANCredential: M.D.
Location Address4200 PORTSMOUTH STHouston, TX 77027-6812
Mailing AddressPo Box 41650Philadelphia, PA 19101-1650 · (800) 355-3818 · Fax (214) 712-2487
Phone(713) 774-7611
Fax(214) 712-2487
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateMay 27, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1659328714 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TX · L6462
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedFamily MedicineTaxonomy 207Q00000X · License L6462 (TX)
4200 PORTSMOUTH ST, Houston, TX 77027
Open in Google Maps ↗

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. Nasir Khan M.d. 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 ID4981518826
PECOS Enrollment IDI20050422000694
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

3

Medicare enrollment records show Nasir Khan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medco Physician Group
243 mi
Emergency Medicine
3960 LEGACY DR
Plano, TX 75023
  • Reassigned Medicare billing, Texas enrollment
  • 6 clinicians in this Medicare group
NPI 1154887842 (469) 392-4000
El Dorado Urgent Care, PLLC
252 mi
Urgent Care
2955 EL DORADO PARKWAY
Frisco, TX 75033
  • Reassigned Medicare billing, Texas enrollment
  • 90 clinicians in this Medicare group
NPI 1154799328 (803) 979-4903
Woodbridge Physicians Staffing Group, PLLC
252 mi
Emergency Care
2955 ELDORADO PKWY STE 150
Frisco, TX 75033
  • Reassigned Medicare billing, Texas enrollment
  • 89 clinicians in this Medicare group
NPI 1750777322 (214) 407-8668

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77027 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

Other Providers at the Same Location NPPES 3

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

KAREN DUBOSE NP
Nurse Practitioner
4200 PORTSMOUTH ST
HOUSTON, TX 77027
Harris County (713) 774-7611
TEXAS EM-1 MEDICAL SERVICES
Emergency Medicine
4200 PORTSMOUTH ST
HOUSTON, TX 77027
Harris County (713) 774-7611
JAMES L FRANKLIN CST-FA
Specialist/Technologist, Other (Surgical Technologist)
4200 PORTSMOUTH ST
HOUSTON, TX 77027
Harris County (713) 623-2500

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 Nasir Khan's NPI number?

The NPI number for Nasir Khan is 1659328714. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Nasir Khan located?

Nasir Khan practices at 4200 Portsmouth St, Houston, TX 77027. The listed phone number is (713) 774-7611.

What is Nasir Khan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nasir Khan enrolled in Medicare?

Yes. Nasir Khan 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 Nasir Khan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nasir Khan reassigns Medicare benefits to 3 organizations: Medco Physician Group (Plano, TX), El Dorado Urgent Care, PLLC (Frisco, TX) and Woodbridge Physicians Staffing Group, PLLC (Frisco, 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 Nasir Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nasir Khan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.