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THEA HELENA HESS NP
NPI 1124080502
Nurse Practitioner in Stanford, CA

Active since April 03, 2006PECOS Enrolled
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: March 1, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Thea Helena Hess Np NPPES

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

THEA HELENA HESS NP (NPI 1124080502) is an individual nurse practitioner in Stanford, California, licensed in California (95014158) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Danville.

NPPES Registry Identity

NPI1124080502
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameTHEA HELENA HESSCredential: NP
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Phone(650) 723-4000
Sole ProprietorNo
Enumeration DateApril 3, 2006
Last NPPES UpdateMarch 1, 2023
NPPES CertifiedMarch 1, 2023
✔ NPI 1124080502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses✔ Licensed in CA · 95014158✔ Licensed in NJ · 26NJ00082000
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License SP008569 (PA)
300 PASTEUR DR, Stanford, CA 94305
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Secondary Practice Location 1

Location 1Geisinger Health System, 100 North Academy AvenueDanville, PA 17822-0001 · Phone (570) 271-6603 · Fax (570) 271-6578

Other Identifiers 1

Medicaid0070599NJ

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thea Helena Hess Np 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Thea Hess reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clearfield-Jefferson Primary Care Associates PC
2,318 mi
Family Medicine
33 BEAVER DR, STE 1
Du Bois, PA 15801
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 95 clinicians in this Medicare group
NPI 1710233895 (814) 503-8070
Geisinger Clinic
2,348 mi
Pediatrics
210 MEDICAL CENTER DRIVE
Philipsburg, PA 16866
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4,429 clinicians in this Medicare group
NPI 1811948367 (814) 342-8001

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Referred Medical Equipment & Supplies CMS DME claims 17

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
31 suppliers536 claims536 services$33.70 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
21 suppliers181 claims181 services$75.28 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
15 suppliers174 claims463 services$28.74 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
20 suppliers220 claims1,212 services$16.55 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
20 suppliers198 claims1,136 services$13.13 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
36 suppliers436 claims436 services$46.28 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

PRISTA CHARUWORN MD
Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Santa Clara County (650) 723-6661
ANDREW CHARLES PICEL M.D
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
MATTHEW A WRIGHT M.D. PH.D.
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
DR. QUAZI ZUBAIR AL-TARIQ M.D.
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
ANGIE DEE MURKINS NP
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
DR. JAMSHID GHAJAR MD PHD
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
SARA BAKHTARY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Santa Clara County (650) 723-5252
YU KUANG LAI MD
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000

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 Thea Hess's NPI number?

The NPI number for Thea Hess is 1124080502. It was assigned to this individual provider in the NPPES registry on April 3, 2006.

Where is Thea Hess located?

Thea Hess practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Thea Hess's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Thea Hess enrolled in Medicare?

Yes. Thea Hess is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thea Hess's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thea Hess reassigns Medicare benefits to 2 organizations: Clearfield-Jefferson Primary Care Associates PC (Du Bois, PA) and Geisinger Clinic (Philipsburg, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thea Hess's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Thea Hess was last updated on March 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.