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

ANNELIESE O. GONZALEZ M.D.
NPI 1245234889
Internal Medicine - Medical Oncology in Houston, TX

Q: What is Anneliese Gonzalez's NPI number?

The NPI number for Anneliese Gonzalez is 1245234889. It was assigned to this individual provider in the NPPES registry on June 10, 2005.

Q: What is Anneliese Gonzalez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Active since June 10, 2005PECOS EnrolledAccepts Medicare Assignment

82.38/100

CMS Quality Rating

6400 FANNIN ST STE 2900, HOUSTON, TX 77030(713) 704-3961(713) 704-4941 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Anneliese O. Gonzalez M.d. NPPES

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

ANNELIESE O. GONZALEZ M.D. (NPI 1245234889) is an individual medical oncology provider in Houston, Texas, licensed in Texas (L9212) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1245234889

Entity TypeIndividualFemale

Primary Taxonomy207RX0202X

Provider Legal NameANNELIESE O. GONZALEZCredential: M.D.

Location Address6400 FANNIN ST STE 2900Houston, TX 77030-1555

Mailing Address6410 Fannin St Ste 830Houston, TX 77030-5207 · (832) 325-7702 · Fax (713) 704-4941

Phone(713) 704-3961

Fax(713) 704-4941

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateJune 10, 2005

Last NPPES UpdateJune 24, 2026

NPPES CertifiedJune 24, 2026

✔ NPI 1245234889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in TX · L9212

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

6400 FANNIN ST STE 2900, Houston, TX 77030

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Other Identifiers 1

Medicaid166693501TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anneliese O. Gonzalez 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 ID2365415072

PECOS Enrollment IDI20040819000277

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.

Areas of Expertise CMS Part B claims 4

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.

109 services52 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

31 services24 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

28 services13 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

24 services24 patients

Hospital Affiliations CMS Care Compare 4

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

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450068

Location6411 FanninHouston, TX 77030 · Harris County

Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450184

Location1635 North Loop WestHouston, TX 77008 · Harris County

Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450610

Location921 GessnerHouston, TX 77024 · Harris County

Emergency services Birthing friendly

Memorial Hermann Northeast Hospital

Acute Care Hospitals · Humble, TX

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450684

Location18951 Memorial NorthHumble, TX 77338 · 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

$176.98 typical visit price

range $58.24 – $176.98

Typical copayment $44.24 (range $14.56 – $44.24)

Most-billed visit code 99205

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.38/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

79.23

Promoting Interoperability

100

Improvement Activities

Cost

58.5

Other Providers at the Same Location NPPES 13

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

RUTH IKEANYIONWU APRN

Nurse Practitioner (Acute Care)