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HEIDI JOONHEE KOOK-WILLIS AGNP-C
NPI 1952804650
Nurse Practitioner - Gerontology in Austin, TX

Active since March 09, 2018PECOS EnrolledAccepts Medicare Assignment
12731 RESEARCH BLVD STE 301C, AUSTIN, TX 78759(512) 257-0497 Get Directions Write a Review

NPPES record last updated: March 9, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Heidi Joonhee Kook-willis Agnp-c NPPES

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

HEIDI JOONHEE KOOK-WILLIS AGNP-C (NPI 1952804650) is an individual gerontology provider in Austin, Texas, licensed in Texas (AP136938) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Ascension Seton Northwest, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1952804650
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameHEIDI JOONHEE KOOK-WILLISCredential: AGNP-C
Location Address12731 RESEARCH BLVD STE 301CAustin, TX 78759-4383
Mailing Address2100 E 10th StAustin, TX 78702-3412 · (512) 657-7294
Phone(512) 257-0497
Sole ProprietorYes
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 9, 2018
✔ NPI 1952804650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in TX · AP136938
12731 RESEARCH BLVD STE 301C, Austin, TX 78759
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company, Sendero Health Plans, Local Nonprofit 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

Heidi Joonhee Kook-willis Agnp-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 ID2264794882
PECOS Enrollment IDI20180320000913
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 6

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.
99 services63 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
82 services68 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.
77 services71 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.
50 services32 patients
Advance care planning, each additional 30 minutes 99498
Advance care planning involves discussing and documenting your future health care preferences in case you're unable to make decisions for yourself. Each additional 30 minutes allows more time to explore your wishes, values, and goals for treatment.
33 services31 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
17 services16 patients

Hospital Affiliations CMS Care Compare 3

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

Ascension Seton Northwest

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450867
Location11113 Research BoulevardAustin, TX 78759 · Travis County
Emergency services Birthing friendly

Ascension Seton Williamson

Acute Care Hospitals · Round Rock, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670041
Location201 Seton ParkwayRound Rock, TX 78664 · Williamson County
Emergency services Birthing friendly

Ascension Seton Hays

Acute Care Hospitals · Kyle, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670056
Location6001 Kyle PkwyKyle, TX 78640 · Hays County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78759 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
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
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.

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.

AUDRA PUFFER
Nurse Practitioner (Family)
12731 RESEARCH BLVD STE 301C
AUSTIN, TX 78759
Travis County (512) 827-7742
MIREYA MARTINEZ APRN, FNP-C
Nurse Practitioner (Family)
12731 RESEARCH BLVD STE 301C
AUSTIN, TX 78759
Travis County (512) 477-4088

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 Heidi Kook-willis's NPI number?

The NPI number for Heidi Kook-willis is 1952804650. It was assigned to this individual provider in the NPPES registry on March 9, 2018.

Where is Heidi Kook-willis located?

Heidi Kook-willis practices at 12731 Research Blvd Ste 301C, Austin, TX 78759. The listed phone number is (512) 257-0497.

What is Heidi Kook-willis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Heidi Kook-willis enrolled in Medicare?

Yes. Heidi Kook-willis 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 Heidi Kook-willis accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list Heidi Kook-willis 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 Heidi Kook-willis affiliated with any hospitals?

According to CMS data, Heidi Kook-willis is affiliated with Ascension Seton Northwest, Ascension Seton Williamson and Ascension Seton Hays.

When was this NPI record last updated?

The NPPES record for Heidi Kook-willis was last updated on March 9, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.