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ELIZABETH A BAY MD
NPI 1962847517
Internal Medicine in Phoenix, AZ

Active since May 08, 2013PECOS EnrolledAccepts Medicare Assignment
77.01/100
CMS Quality Rating
1111 E. MCDOWELL RD., PHOENIX, AZ 85006(602) 839-2296(602) 839-2084 Get Directions Write a Review

NPPES record last updated: May 8, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Elizabeth A Bay Md NPPES

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

ELIZABETH A BAY MD (NPI 1962847517) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (R73819) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS and is a graduate of University Of Nebraska College Of Medicine (2013).

NPPES Registry Identity

NPI1962847517
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameELIZABETH A BAYCredential: MD
Location Address1111 E. MCDOWELL RD.Phoenix, AZ 85006
Mailing Address1111 E. Mcdowell Rd.Phoenix, AZ 85006 · (602) 839-2296 · Fax (602) 839-2084
Phone(602) 839-2296
Fax(602) 839-2084
Sole ProprietorYes
Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 2013
Enumeration DateMay 8, 2013
✔ NPI 1962847517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · R73819
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.
Also ListedPediatricsTaxonomy 208000000X · License R73819 (AZ)
1111 E. MCDOWELL RD., Phoenix, AZ 85006
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, UnitedHealthcare.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

Elizabeth A Bay 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 ID4880967793
PECOS Enrollment IDI20180206000765
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 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.

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.
102 services99 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 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.

77.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality59.66
Promoting Interoperability100
Improvement Activities40
Cost63.71

Other Providers at the Same Location NPPES

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

HANNA ST. DENIS-KATZ MD
Surgery (Plastic and Reconstructive Surgery)
1111 E. MCDOWELL RD.
PHOENIX, AZ 85006
Maricopa County (480) 256-6444

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 Bay's NPI number?

The NPI number for Elizabeth Bay is 1962847517. It was assigned to this individual provider in the NPPES registry on May 8, 2013.

Where is Elizabeth Bay located?

Elizabeth Bay practices at 1111 E. Mcdowell Rd., Phoenix, AZ 85006. The listed phone number is (602) 839-2296.

What is Elizabeth Bay's specialty?

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

Is Elizabeth Bay enrolled in Medicare?

Yes. Elizabeth Bay 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 Elizabeth Bay accept?

Health plans from Blue Cross Blue Shield of Arizona and UnitedHealthcare list Elizabeth Bay 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 Bay was last updated on May 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.