WILLIAM CASH BYER CRNA
NPI 1285921403
Nurse Anesthetist, Certified Registered in Bar Harbor, ME

Active since July 08, 2011Accepts Medicare Assignment
88/100
CMS Quality Rating
10 WAYMAN LN, BAR HARBOR, ME 04609(207) 288-5081 Get Directions Write a Review

NPPES record last updated: September 28, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 28, 2020, Aug 12, 2017 (2 updates tracked since 2017).

About William Cash Byer Crna NPPES

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

WILLIAM CASH BYER CRNA (NPI 1285921403) is an individual nurse anesthetist, certified registered in Bar Harbor, Maine, licensed in Maine (RNA203039) and active in the NPI registry since July 2011. He is affiliated with Mountain View Regional Medical Center and is a graduate of Other (2011).

NPPES Registry Identity

NPI1285921403
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameWILLIAM CASH BYERCredential: CRNA
Location Address10 WAYMAN LNBar Harbor, ME 04609-1625
Mailing Address2430 Vanderbilt Beach Rd Ste 108-563Naples, FL 34109-2654 · (414) 232-6162
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJuly 8, 2011
Last NPPES UpdateSeptember 28, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2020
NPI 1285921403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses Licensed in ME · RNA203039 Licensed in FL · 9242790 Licensed in CT · 143046
Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

10 WAYMAN LN, Bar Harbor, ME 04609

Accepted 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

William Cash Byer Crna 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 ID3274702089
PECOS Enrollment IDI20190426000652, I20201218000107

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mountain View Regional Medical Center

Acute Care Hospitals · Las Cruces, NM
1/5 CMS rating
OwnershipProprietary
CMS Certification Number320085
Location4311 East Lohman AvenueLas Cruces, NM 88011 · Dona Ana County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04609 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
$123.23 typical visit price
range $53.26 – $162.77
Typical copayment $30.80 (range $13.31 – $40.69)
Most-billed visit code 99204
Established Patient
$66.74 typical visit price
range $16.90 – $132.79
Typical copayment $16.68 (range $4.22 – $33.19)
Most-billed visit code 99213
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.

88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.73
Promoting Interoperability99
Improvement Activities40

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.

Nurse Practitioner (Family)
10 WAYMAN LN
BAR HARBOR, ME 04609
Nurse Anesthetist, Certified Registered
10 WAYMAN LN
BAR HARBOR, ME 04609
Emergency Medicine
10 WAYMAN LN
BAR HARBOR, ME 04609
Pharmacist
10 WAYMAN LN
BAR HARBOR, ME 04609
Occupational Therapist
10 WAYMAN LN
BAR HARBOR, ME 04609
Occupational Therapist
10 WAYMAN LN
BAR HARBOR, ME 04609
Family Medicine
10 WAYMAN LN
BAR HARBOR, ME 04609
Physician Assistant (Medical)
10 WAYMAN LN
BAR HARBOR, ME 04609

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 Byer's NPI number?

The NPI number for William Byer is 1285921403. It was assigned to this individual provider in the NPPES registry on July 8, 2011.

Where is William Byer located?

William Byer practices at 10 Wayman Ln, Bar Harbor, ME 04609. The listed phone number is (207) 288-5081.

What is William Byer's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is William Byer enrolled in Medicare?

Yes. William Byer 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 William Byer accept?

Health plans from Blue Cross and Blue Shield of Texas list William Byer 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.

Is William Byer affiliated with any hospitals?

According to CMS data, William Byer is affiliated with Mountain View Regional Medical Center.

When was this NPI record last updated?

The NPPES record for William Byer was last updated on September 28, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.