CONSTANCE LYNE BARNER M.D.
NPI 1366435539
Hospitalist in Phoenix, AZ

Active since August 23, 2005PECOS Enrolled
2020 N CENTRAL AVE, SUITE 1010, PHOENIX, AZ 85004(602) 553-8400(602) 553-8408 Get Directions Write a Review

NPPES record last updated: March 25, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 25, 2025, Feb 4, 2025, Mar 30, 2020 (3 updates tracked since 2020).

About Constance Lyne Barner M.d. NPPES

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

CONSTANCE LYNE BARNER M.D. (NPI 1366435539) is an individual hospitalist provider in Phoenix, Arizona, licensed in Wisconsin (5193-320) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1366435539
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameCONSTANCE LYNE BARNERCredential: M.D.
Location Address2020 N CENTRAL AVE, SUITE 1010Phoenix, AZ 85004-4501
Mailing Address2020 N Central Ave, Suite 1010Phoenix, AZ 85004-4501 · (602) 553-8400 · Fax (602) 553-8408
Fax(602) 553-8408
Sole ProprietorNo
Enumeration DateAugust 23, 2005
Last NPPES UpdateMarch 25, 20253 updates tracked since enumeration
NPPES CertifiedMarch 25, 2025
✔ NPI 1366435539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in WI · 5193-320✔ Licensed in MN · 63997
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 63997 (MN), 31718 (AZ)
2020 N CENTRAL AVE, Phoenix, AZ 85004

Secondary Practice Locations 4

Location 1915 E 1st StDuluth, MN 55805-2107 · Phone (218) 249-5555
Location 21001 E Superior St Ste L401Duluth, MN 55802-2207 · Phone (218) 249-7960 · Fax (218) 249-7997
Location 3350 N Wilmot RdTucson, AZ 85711-2602 · Phone (520) 296-3211
Location 4855 N Westhaven DrOshkosh, WI 54904-7668 · Phone (800) 326-2250

Other Identifiers 2

Medicaid100088840WI
Medicaid787971-01AZ

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Constance Lyne Barner M.d. 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

3

Medicare enrollment records show Constance Barner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist
9225 N 3RD ST STE 300
Phoenix, AZ 85020
  • Reassigned Medicare billing, Arizona enrollment
  • 124 clinicians in this Medicare group
Interventional Cardiology
395 N SILVERBELL RD STE 355
Tucson, AZ 85745
  • Reassigned Medicare billing, Arizona enrollment
  • 293 clinicians in this Medicare group
General Acute Care Hospital
4315 DIPLOMACY DR
Anchorage, AK 99508
  • Reassigned Medicare billing, Texas enrollment
  • 1,373 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.

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.
86 services24 patients
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.
82 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85004 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.

Other Providers at the Same Location NPPES 13

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

Internal Medicine
2020 N CENTRAL AVE, STE 1010
PHOENIX, AZ 85004
Internal Medicine
2020 N CENTRAL AVE, SUITE 1010
PHOENIX, AZ 85004
Internal Medicine
2020 N CENTRAL AVE, SUITE 1010
PHOENIX, AZ 85004
Internal Medicine
2020 N CENTRAL AVE, STE 1010
PHOENIX, AZ 85004
Nurse Practitioner (Family)
2020 N CENTRAL AVE
PHOENIX, AZ 85004
Physical Therapist
2020 N CENTRAL AVE, SUITE L100
PHOENIX, AZ 85004
Internal Medicine
2020 N CENTRAL AVE, SUITE 1010
PHOENIX, AZ 85004
Hospitalist
2020 N CENTRAL AVE, SUITE 1010
PHOENIX, AZ 85004

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 Constance Barner's NPI number?

The NPI number for Constance Barner is 1366435539. It was assigned to this individual provider in the NPPES registry on August 23, 2005.

Where is Constance Barner located?

Constance Barner practices at 2020 N Central Ave Suite 1010, Phoenix, AZ 85004. The listed phone number is (602) 553-8400.

What is Constance Barner's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Constance Barner enrolled in Medicare?

Yes. Constance Barner is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Constance Barner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Constance Barner reassigns Medicare benefits to 3 organizations: Affiliated Hospitalists, Plc (Phoenix, AZ), Tucson Physician Group Holdings, LLC (Tucson, AZ) and Alaska Native Tribal Health Consortium (Anchorage, AK). 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 Constance Barner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Constance Barner accept?

Health plans from Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc., Moda Health Plan, Inc. and Providence Health Plan list Constance Barner 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 Constance Barner was last updated on March 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.