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ELEONORA AVENATTI MD
NPI 1225691538
Internal Medicine in Houston, TX

Active since April 22, 2019PECOS EnrolledAccepts Medicare Assignment
6550 FANNIN ST # SM1901, HOUSTON, TX 77030(713) 441-1100(713) 790-2643 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 6, 2023, Apr 22, 2019 (2 updates tracked since 2019).

About Eleonora Avenatti Md NPPES

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

ELEONORA AVENATTI MD (NPI 1225691538) is an individual internal medicine provider in Houston, Texas, licensed in Texas (U4459) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1225691538
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameELEONORA AVENATTICredential: MD
Location Address6550 FANNIN ST # SM1901Houston, TX 77030-2717
Mailing Address6550 Fannin St Ste 1901Houston, TX 77030-2719 · (713) 441-1100 · Fax (713) 790-2643
Phone(713) 441-1100
Fax(713) 790-2643
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateApril 22, 2019
Last NPPES UpdateJune 9, 20262 updates tracked since enumeration
NPPES CertifiedJune 9, 2026
✔ NPI 1225691538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · U4459
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
6550 FANNIN ST # SM1901, Houston, TX 77030
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.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

Eleonora Avenatti Md 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 ID5698126878
PECOS Enrollment IDI20240111004717
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 Eleonora Avenatti reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tmh Physician Associates PLLC
Same address
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
Houston Methodist Specialty Physicians
1.0 mi
Otolaryngology
7550 GREENBRIAR DR STE 600
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 1,579 clinicians in this Medicare group
NPI 1902614332 (281) 414-6055

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
152 services74 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
41 services41 patients

Hospital Affiliations CMS Care Compare 2

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

Houston Methodist Clear Lake Hospital

Acute Care Hospitals · Nassau Bay, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450709
Location18300 Houston Methodist DrNassau Bay, TX 77058 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
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.

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 Eleonora Avenatti's NPI number?

The NPI number for Eleonora Avenatti is 1225691538. It was assigned to this individual provider in the NPPES registry on April 22, 2019.

Where is Eleonora Avenatti located?

Eleonora Avenatti practices at 6550 Fannin St # Sm1901, Houston, TX 77030. The listed phone number is (713) 441-1100.

What is Eleonora Avenatti's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Eleonora Avenatti enrolled in Medicare?

Yes. Eleonora Avenatti 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 Eleonora Avenatti's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eleonora Avenatti 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 Eleonora Avenatti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Eleonora Avenatti accept?

Health plans from WellPoint list Eleonora Avenatti 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 Eleonora Avenatti affiliated with any hospitals?

According to CMS data, Eleonora Avenatti is affiliated with Houston Methodist Hospital and Houston Methodist Clear Lake Hospital.

When was this NPI record last updated?

The NPPES record for Eleonora Avenatti was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.