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DR. DIANNE NICHOLAS M.D.
NPI 1679553499
Emergency Medicine in Houston, TX

Active since January 18, 2006PECOS EnrolledAccepts Medicare Assignment
5160 TIMBER CREEK DR, HOUSTON, TX 77017(713) 440-0602(713) 944-8903 Get Directions Write a Review

NPPES record last updated: August 28, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Dianne Nicholas M.d. NPPES

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

DR. DIANNE NICHOLAS M.D. (NPI 1679553499) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (J2238) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (1991).

NPPES Registry Identity

NPI1679553499
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. DIANNE NICHOLASCredential: M.D.
Location Address5160 TIMBER CREEK DRHouston, TX 77017-5968
Mailing AddressPo Box 14231Houston, TX 77221-4231 · (713) 440-0602 · Fax (713) 944-8903
Phone(713) 440-0602
Fax(713) 944-8903
Sole ProprietorYes
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1991
Enumeration DateJanuary 18, 2006
Last NPPES UpdateAugust 28, 2009
✔ NPI 1679553499 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 · J2238
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 ListedInternal MedicineTaxonomy 207R00000X · License J2238 (TX)
5160 TIMBER CREEK DR, Houston, TX 77017
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Other Identifiers 1

Medicare UPINF48495TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company, UnitedHealthcare 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. Dianne Nicholas 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 ID2860473733
PECOS Enrollment IDI20040526001176
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

8

Medicare enrollment records show Dianne Nicholas reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dianne W. Nicholas M.D., PA
Same address
Internal Medicine
5160 TIMBER CREEK DR
Houston, TX 77017
  • Reassigned Medicare billing, Texas enrollment
NPI 1821263468 (713) 440-0602
Knd Development 59 LLC
5.7 mi
Hospitalist
4801 E SAM HOUSTON PKWY
Pasadena, TX 77505
  • Reassigned Medicare billing, Texas enrollment
  • 121 clinicians in this Medicare group
NPI 1407185903 (281) 991-5463
Ess Of South Texas LLC
38 mi
Emergency Medicine
1353 N TRAVIS ST
Liberty, TX 77575
  • Reassigned Medicare billing, Texas enrollment
  • 199 clinicians in this Medicare group
NPI 1295128247 (936) 336-7316
Ess Of Nacogdoches LLC
138 mi
Emergency Medicine
1204 N MOUND ST
Nacogdoches, TX 75961
  • Reassigned Medicare billing, Texas enrollment
  • 109 clinicians in this Medicare group
NPI 1780139956 (936) 564-4611
Concord Medical Group PLLC
474 mi
Emergency Medicine
1602 AVENUE Q
Lubbock, TX 79401
  • Reassigned Medicare billing, Texas enrollment
  • 1,338 clinicians in this Medicare group
NPI 1083630610 (888) 264-0330
Concord Medical Group Of Texas PLLC
474 mi
Emergency Medicine
1602 AVENUE Q
Lubbock, TX 79401
  • Reassigned Medicare billing, Texas enrollment
  • 1,439 clinicians in this Medicare group
NPI 1750790762 (888) 264-0330
Great Plains Tribal Chairmen's Health Board
1,087 mi
Pharmacy
3200 CANYON LAKE DR
Rapid City, SD 57702
  • Reassigned Medicare billing, Texas enrollment
  • 119 clinicians in this Medicare group
NPI 1376105452 (605) 721-1922
Eagle Butte Indian Health Service Hospital
1,106 mi
Public Health or Welfare
24276 166TH STREET, AIRPORT ROAD
Eagle Butte, SD 57625
  • Reassigned Medicare billing, Texas enrollment
  • 282 clinicians in this Medicare group
NPI 1558395848 (605) 964-7724

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

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 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.
28 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77017 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

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

DIANNE W. NICHOLAS M.D., PA
Internal Medicine
5160 TIMBER CREEK DR
HOUSTON, TX 77017
Harris County (713) 440-0602

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 Dianne Nicholas's NPI number?

The NPI number for Dianne Nicholas is 1679553499. It was assigned to this individual provider in the NPPES registry on January 18, 2006.

Where is Dianne Nicholas located?

Dianne Nicholas practices at 5160 Timber Creek Dr, Houston, TX 77017. The listed phone number is (713) 440-0602.

What is Dianne Nicholas's specialty?

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

Is Dianne Nicholas enrolled in Medicare?

Yes. Dianne Nicholas 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 Dianne Nicholas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dianne Nicholas reassigns Medicare benefits to 8 organizations: Dianne W. Nicholas M.D., PA (Houston, TX), Knd Development 59 LLC (Pasadena, TX), Ess Of South Texas LLC (Liberty, TX), Ess Of Nacogdoches LLC (Nacogdoches, TX), Concord Medical Group PLLC (Lubbock, TX) and 3 more organizations, listed in the Medicare section above. 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 Dianne Nicholas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dianne Nicholas accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company, UnitedHealthcare and WellPoint list Dianne Nicholas 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.

When was this NPI record last updated?

The NPPES record for Dianne Nicholas was last updated on August 28, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.