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ELIZABETH ANN GRIZZAFFI PA-C
NPI 1124311584
Physician Assistant in Houston, TX

Active since May 18, 2011PECOS EnrolledAccepts Medicare Assignment
14811 SAINT MARYS LN STE 270, HOUSTON, TX 77079(713) 497-3500 Get Directions Write a Review

NPPES record last updated: February 22, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 22, 2022, Sep 16, 2019 (2 updates tracked since 2019).

About Elizabeth Ann Grizzaffi Pa-c NPPES

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

ELIZABETH ANN GRIZZAFFI PA-C (NPI 1124311584) is an individual physician assistant in Houston, Texas, licensed in Texas (PA07144) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1124311584
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameELIZABETH ANN GRIZZAFFICredential: PA-C
Location Address14811 SAINT MARYS LN STE 270Houston, TX 77079-2908
Mailing Address14811 Saint Marys Ln Ste 270Houston, TX 77079-2908 · (713) 594-4943
Phone(713) 497-3500
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateMay 18, 2011
Last NPPES UpdateFebruary 22, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 21, 2022
✔ NPI 1124311584 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in TX · PA07144
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
14811 SAINT MARYS LN STE 270, Houston, TX 77079
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Other Names 1

Other Name (5)Elizabeth Ann Ostrander

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, UnitedHealthcare.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

Elizabeth Ann Grizzaffi Pa-c 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 ID749558849
PECOS Enrollment IDI20170614000371
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 77079 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
$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 2

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

DR. MARTHA WOLFRAM ST JOHN MD
Psychiatry & Neurology (Psychiatry)
14811 SAINT MARYS LN STE 270
HOUSTON, TX 77079
Harris County (281) 497-3500
NICOLE ANGELIQUE NORTON PA-C
Physician Assistant
14811 SAINT MARYS LN STE 270
HOUSTON, TX 77079
Harris County (281) 497-3500

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 Elizabeth Grizzaffi's NPI number?

The NPI number for Elizabeth Grizzaffi is 1124311584. It was assigned to this individual provider in the NPPES registry on May 18, 2011. The provider is also known as Elizabeth Ann Ostrander.

Where is Elizabeth Grizzaffi located?

Elizabeth Grizzaffi practices at 14811 Saint Marys Ln Ste 270, Houston, TX 77079. The listed phone number is (713) 497-3500.

What is Elizabeth Grizzaffi's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Elizabeth Grizzaffi enrolled in Medicare?

Yes. Elizabeth Grizzaffi 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.

What insurance does Elizabeth Grizzaffi accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Elizabeth Grizzaffi 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 Elizabeth Grizzaffi was last updated on February 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.