Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. DIANE MARIE GARIB ACNP
NPI 1780896696
Nurse Practitioner - Acute Care in Houston, TX

Active since May 04, 2007PECOS EnrolledAccepts Medicare Assignment
18220 STATE HIGHWAY 249, HOUSTON, TX 77070(832) 763-4656(713) 790-2082 Get Directions Write a Review

NPPES record last updated: October 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 17, 2026, Jul 18, 2018 (2 updates tracked since 2018).

About Mrs. Diane Marie Garib Acnp NPPES

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

MRS. DIANE MARIE GARIB ACNP (NPI 1780896696) is an individual acute care provider in Houston, Texas, licensed in Texas (AP114346) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Willowbrook Hospital, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1780896696
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMRS. DIANE MARIE GARIBCredential: ACNP
Location Address18220 STATE HIGHWAY 249Houston, TX 77070-4347
Mailing Address18220 State Highway 249Houston, TX 77070-4347 · (832) 763-4656 · Fax (713) 790-2082
Fax(713) 790-2082
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateMay 4, 2007
Last NPPES UpdateOctober 17, 20262 updates tracked since enumeration
NPPES CertifiedOctober 17, 2026
✔ NPI 1780896696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
Licenses✔ Licensed in TX · AP114346✔ Licensed in TX · 720742
18220 STATE HIGHWAY 249, Houston, TX 77070

Other Identifiers 7

Medicaid281683704TX
Other1780896696TX · Blue Cross Blue Shield
Medicaid281683702TX
OtherP01254127TX · Medicare Rr
Medicaid281683703TX
OtherP01092507TX · Rr Medicare
Medicaid281683701TX

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

Mrs. Diane Marie Garib Acnp 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 ID5597942789
PECOS Enrollment IDI20110616000264
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

2

Medicare enrollment records show Diane Garib reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ophthalmology
6550 FANNIN ST, SUITE 447
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,407 clinicians in this Medicare group
Otolaryngology
7550 GREENBRIAR DR STE 600
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 1,579 clinicians in this Medicare group

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
113 services70 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
68 services49 patients

Hospital Affiliations CMS Care Compare

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

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450844
Location18220 State Highway 249Houston, TX 77070 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77070 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 20

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

Dietitian, Registered
18220 STATE HIGHWAY 249
HOUSTON, TX 77070
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
18220 STATE HIGHWAY 249
HOUSTON, TX 77070
Internal Medicine
18220 STATE HIGHWAY 249
HOUSTON, TX 77070
Orthopaedic Surgery (Sports Medicine)
18220 STATE HIGHWAY 249, SUITE 400
HOUSTON, TX 77070
Emergency Medicine
18220 STATE HIGHWAY 249
HOUSTON, TX 77070
Physical Therapy Assistant
18220 STATE HIGHWAY 249, STE. 150
HOUSTON, TX 77070
Internal Medicine
18220 STATE HIGHWAY 249, SUITE 350
HOUSTON, TX 77070
Dermatology
18220 STATE HIGHWAY 249, SUITE 270
HOUSTON, TX 77070

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 Diane Garib's NPI number?

The NPI number for Diane Garib is 1780896696. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Where is Diane Garib located?

Diane Garib practices at 18220 State Highway 249, Houston, TX 77070. The listed phone number is (832) 763-4656.

What is Diane Garib's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Diane Garib enrolled in Medicare?

Yes. Diane Garib 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 Diane Garib's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diane Garib reassigns Medicare benefits to 2 organizations: Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty 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 Diane Garib's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Diane Garib affiliated with any hospitals?

According to CMS data, Diane Garib is affiliated with Houston Methodist Willowbrook Hospital.

When was this NPI record last updated?

The NPPES record for Diane Garib was last updated on October 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.