DR. ELIZABETH B WINDGASSEN M.D.
NPI 1619951779
Internal Medicine in Scottsdale, AZ

Active since December 02, 2005PECOS EnrolledAccepts Medicare Assignment
78.58/100
CMS Quality Rating
13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: September 3, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 3, 2020, May 15, 2018 (2 updates tracked since 2018).

About Dr. Elizabeth B Windgassen M.d. NPPES

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

DR. ELIZABETH B WINDGASSEN M.D. (NPI 1619951779) is an individual internal medicine provider in Scottsdale, Arizona, licensed in Arizona (24218) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of University Of South Carolina School Of Medicine (1992).

NPPES Registry Identity

NPI1619951779
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ELIZABETH B WINDGASSENCredential: M.D.
Location Address13400 E SHEA BLVDScottsdale, AZ 85259
Mailing Address13400 E Shea BlvdScottsdale, AZ 85259-5404 · (480) 301-8000
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 1992
Enumeration DateDecember 2, 2005
Last NPPES UpdateSeptember 3, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2020
✔ NPI 1619951779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in AZ · 24218✔ Licensed in MN · 36442✔ Licensed in FL · ME69745
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
13400 E SHEA BLVD, Scottsdale, AZ 85259

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Elizabeth B Windgassen M.d. 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 ID1850435363
PECOS Enrollment IDI20100222000872
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 Reassignment

Medicare enrollment records show Elizabeth Windgassen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
13400 E SHEA BLVD
Scottsdale, AZ 85259
  • Reassigned Medicare billing, Arizona enrollment
  • 1,792 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
65 services57 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
43 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85259 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

78.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.05
Promoting Interoperability100
Improvement Activities40
Cost59.56

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.

Internal Medicine (Hematology & Oncology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Internal Medicine (Critical Care Medicine)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Internal Medicine (Pulmonary Disease)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Urology
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259

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 Windgassen's NPI number?

The NPI number for Elizabeth Windgassen is 1619951779. It was assigned to this individual provider in the NPPES registry on December 2, 2005.

Where is Elizabeth Windgassen located?

Elizabeth Windgassen practices at 13400 E Shea Blvd, Scottsdale, AZ 85259. The listed phone number is (480) 301-8000.

What is Elizabeth Windgassen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Elizabeth Windgassen enrolled in Medicare?

Yes. Elizabeth Windgassen 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.

Which organization bills Medicare for Elizabeth Windgassen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Windgassen reassigns Medicare benefits to Mayo Clinic Arizona (Scottsdale, AZ). The 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 Elizabeth Windgassen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Windgassen accept?

Health plans from Sanford Health Plan list Elizabeth Windgassen 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 Windgassen was last updated on September 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.