1. Home
  2. Directory
  3. Colorado
  4. Aurora
  5. Internal Medicine
  6. NPI Profile

DR. WILLIAM CORNWELL MD
NPI 1235392853
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Aurora, CO

Active since July 03, 2008PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
12605 E 16TH AVE, AURORA, CO 80045(303) 493-7000 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 11, 2026, Nov 15, 2018, Aug 8, 2016 (3 updates tracked since 2016).

About Dr. William Cornwell Md NPPES

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

DR. WILLIAM CORNWELL MD (NPI 1235392853) is an individual advanced heart failure and transplant cardiology provider in Aurora, Colorado, licensed in Colorado (DR.0056938) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orlando, and is a graduate of Wright State University Boonshoft School Of Medicine (2008).

NPPES Registry Identity

NPI1235392853
Entity TypeIndividualMale
Primary Taxonomy207RA0001X
Provider Legal NameDR. WILLIAM CORNWELLCredential: MD
Location Address12605 E 16TH AVEAurora, CO 80045-2545
Mailing AddressPo Box 110429Aurora, CO 80042-0429 · (303) 493-7000
Phone(303) 493-7000
Sole ProprietorNo
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2008
Enumeration DateJuly 3, 2008
Last NPPES UpdateAugust 11, 20263 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1235392853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0001X
License✔ Licensed in CO · DR.0056938
Definition
Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License DR.0056938 (CO)
12605 E 16TH AVE, Aurora, CO 80045
Open in Google Maps ↗

Secondary Practice Location 1

Location 125 S Terry Ave Ste 310AOrlando, FL 32805-1843 · Phone (407) 894-4474 · Fax (407) 894-7032

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc. and more.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. William Cornwell Md 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 ID9537315114
PECOS Enrollment IDI20160929001684
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 William Cornwell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Physicians Incorporated
Same address
Internal Medicine
12605 E 16TH AVE, UNIVERSITY OF COLORADO HOSPITAL
Aurora, CO 80045
  • Reassigned Medicare billing, Colorado enrollment
  • 4,283 clinicians in this Medicare group
NPI 1962461889 (303) 493-7000
Florida Hospital Medical Group Inc
1,544 mi
Family Medicine
1115 E RIDGEWOOD ST
Orlando, FL 32803
  • Reassigned Medicare billing, Florida enrollment
  • 3,005 clinicians in this Medicare group
NPI 1225034234 (407) 841-1100

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 4

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.

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018
An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.
79 services78 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.
47 services12 patients
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.
38 services38 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80045 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers18 claims1,590 services$0.28 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers13 claims2,430 services$0.01 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
2 suppliers29 claims29 services$12.09 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.

KEVIN BRADLEY ROTHCHILD MD
Surgery (Trauma Surgery)
12605 E 16TH AVE
AURORA, CO 80045
Adams County (303) 724-2728
DR. JONATHAN ORSBORN MD
Pediatrics (Pediatric Emergency Medicine)
12605 E 16TH AVE
AURORA, CO 80045
Adams County (720) 848-0000
ERIN SLOUN FIELDS PHARMD
Pharmacist
12605 E 16TH AVE
AURORA, CO 80045
Adams County (720) 848-4083
DR. JUAN PABLO IDROVO M.D.
Surgery (Surgical Critical Care)
12605 E 16TH AVE
AURORA, CO 80045
Adams County (303) 724-8366
STACEY M JOHNSON APRN
Nurse Practitioner (Adult Health)
12605 E 16TH AVE
AURORA, CO 80045
Adams County (720) 848-0000
ANDREA LYNNE HALL CRNA
Nurse Anesthetist, Certified Registered
12605 E 16TH AVE
AURORA, CO 80045
Adams County (720) 848-0000
KRISTI WHARTON SWIM FNP
Nurse Practitioner (Family)
12605 E 16TH AVE
AURORA, CO 80045
Adams County (720) 848-0000
LAURA TIERNEY YOST CRNA
Nurse Anesthetist, Certified Registered
12605 E 16TH AVE
AURORA, CO 80045
Adams County (720) 848-0000

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 William Cornwell's NPI number?

The NPI number for William Cornwell is 1235392853. It was assigned to this individual provider in the NPPES registry on July 3, 2008.

Where is William Cornwell located?

William Cornwell practices at 12605 E 16th Ave, Aurora, CO 80045. The listed phone number is (303) 493-7000.

What is William Cornwell's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Is William Cornwell enrolled in Medicare?

Yes. William Cornwell 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 organizations bill Medicare for William Cornwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Cornwell reassigns Medicare benefits to 2 organizations: University Physicians Incorporated (Aurora, CO) and Florida Hospital Medical Group Inc (Orlando, FL). 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 William Cornwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Cornwell accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc., Oscar Health Maintenance Organization of Florida and UnitedHealthcare list William Cornwell 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 William Cornwell was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.