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JILLIAN CAROL GREVENSTUK
NPI 1710646211
Nurse Practitioner - Critical Care Medicine in Round Rock, TX

Active since December 12, 2021PECOS EnrolledAccepts Medicare Assignment
72.52/100
CMS Quality Rating
2639 HASELWOOD LN, ROUND ROCK, TX 78665(806) 252-5668 Get Directions Write a Review

NPPES record last updated: January 26, 2022. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jan 26, 2022, Dec 12, 2021 (2 updates tracked since 2021).

About Jillian Carol Grevenstuk NPPES

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

JILLIAN CAROL GREVENSTUK (NPI 1710646211) is an individual critical care medicine provider in Round Rock, Texas, licensed in Texas (1058042) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS, is affiliated with Ascension Seton Medical Center Austin, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1710646211
Entity TypeIndividualFemale
Primary Taxonomy363LC0200X
Provider Legal NameJILLIAN CAROL GREVENSTUK
Location Address2639 HASELWOOD LNRound Rock, TX 78665-2362
Mailing Address2639 Haselwood LnRound Rock, TX 78665-2362 · (806) 252-5668
Phone(806) 252-5668
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 12, 2021
Last NPPES UpdateJanuary 26, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2022
✔ NPI 1710646211 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LC0200X
License✔ Licensed in TX · 1058042
2639 HASELWOOD LN, Round Rock, TX 78665
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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

Jillian Carol Grevenstuk 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 ID941687461
PECOS Enrollment IDI20220521000043
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 3

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.

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.
110 services60 patients
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.
109 services51 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.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Ascension Seton Medical Center Austin

Acute Care Hospitals · Austin, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450056
Location1201 W 38th StAustin, TX 78705 · Travis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78665 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

72.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality61.27
Promoting Interoperability100
Improvement Activities40
Cost47.12

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 Jillian Grevenstuk's NPI number?

The NPI number for Jillian Grevenstuk is 1710646211. It was assigned to this individual provider in the NPPES registry on December 12, 2021.

Where is Jillian Grevenstuk located?

Jillian Grevenstuk practices at 2639 Haselwood Ln, Round Rock, TX 78665. The listed phone number is (806) 252-5668.

What is Jillian Grevenstuk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Is Jillian Grevenstuk enrolled in Medicare?

Yes. Jillian Grevenstuk 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 Jillian Grevenstuk accept?

Health plans from Blue Cross and Blue Shield of Texas list Jillian Grevenstuk 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 Jillian Grevenstuk affiliated with any hospitals?

According to CMS data, Jillian Grevenstuk is affiliated with Ascension Seton Medical Center Austin.

When was this NPI record last updated?

The NPPES record for Jillian Grevenstuk was last updated on January 26, 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.