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

ALLISON MARIE AMMANN MD
NPI 1699271585
Surgery - Surgical Oncology in Houston, TX

Active since April 01, 2018PECOS Enrolled
1919 OLD SPANISH TRL FL 6, HOUSTON, TX 77054(832) 957-6500 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Allison Marie Ammann Md NPPES

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

ALLISON MARIE AMMANN MD (NPI 1699271585) is an individual surgical oncology provider in Houston, Texas, licensed in Texas (W8274) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1699271585
Entity TypeIndividualFemale
Primary Taxonomy2086X0206X
Provider Legal NameALLISON MARIE AMMANNCredential: MD
Location Address1919 OLD SPANISH TRL FL 6Houston, TX 77054-2003
Mailing Address6550 Fannin St Ste 2307Houston, TX 77030-2723 · (713) 486-4600
Sole ProprietorNo
Enumeration DateApril 1, 2018
Last NPPES UpdateAugust 12, 2026
NPPES CertifiedAugust 12, 2026
NPI 1699271585 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
License Licensed in TX · W8274
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
1919 OLD SPANISH TRL FL 6, Houston, TX 77054

Secondary Practice Location 1

Location 16550 Fannin St Ste 2307Houston, TX 77030-2723 · Phone (713) 486-4600

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Allison Marie Ammann Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77054 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
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
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 11

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

Internal Medicine (Hematology)
1919 OLD SPANISH TRL FL 6
HOUSTON, TX 77054
Surgery (Surgical Oncology)
1919 OLD SPANISH TRL FL 6
HOUSTON, TX 77054
Nurse Practitioner (Family)
1919 OLD SPANISH TRL FL 6
HOUSTON, TX 77054
Internal Medicine (Medical Oncology)
1919 OLD SPANISH TRL FL 6
HOUSTON, TX 77054
Internal Medicine (Medical Oncology)
1919 OLD SPANISH TRL FL 6
HOUSTON, TX 77054
Nurse Practitioner (Family)
1919 OLD SPANISH TRL FL 6
HOUSTON, TX 77054
Internal Medicine (Hematology & Oncology)
1919 OLD SPANISH TRL FL 6
HOUSTON, TX 77054
Colon & Rectal Surgery
1919 OLD SPANISH TRL FL 6
HOUSTON, TX 77054

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 Allison Ammann's NPI number?

The NPI number for Allison Ammann is 1699271585. It was assigned to this individual provider in the NPPES registry on April 1, 2018.

Where is Allison Ammann located?

Allison Ammann practices at 1919 Old Spanish Trl Fl 6, Houston, TX 77054. The listed phone number is (832) 957-6500.

What is Allison Ammann's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is Allison Ammann enrolled in Medicare?

Yes. Allison Ammann is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Allison Ammann was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.