JOHN MASON ERWIN CRNA
NPI 1386980969
Nurse Anesthetist, Certified Registered in Martinsburg, WV

Active since December 30, 2012Accepts Medicare Assignment
94.1/100
CMS Quality Rating
1006 TAVERN RD, MARTINSBURG, WV 25401(304) 267-0556(304) 267-1460 Get Directions Write a Review

NPPES record last updated: March 9, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 9, 2023, Nov 17, 2022 (2 updates tracked since 2022).

About John Mason Erwin Crna NPPES

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

JOHN MASON ERWIN CRNA (NPI 1386980969) is an individual nurse anesthetist, certified registered in Martinsburg, West Virginia, licensed in Maryland (R181627) and active in the NPI registry since December 2012. He is affiliated with Meritus Medical Center, maintains a secondary practice location in Baltimore, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1386980969
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameJOHN MASON ERWINCredential: CRNA
Location Address1006 TAVERN RDMartinsburg, WV 25401-2864
Mailing Address220 Campus Blvd Ste 210Winchester, VA 22601-2889 · (540) 536-5100 · Fax (540) 536-0235
Fax(304) 267-1460
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateDecember 30, 2012
Last NPPES UpdateMarch 9, 20232 updates tracked since enumeration
NPPES CertifiedMarch 9, 2023
NPI 1386980969 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License Licensed in MD · R181627
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.
Also ListedRegistered NurseTaxonomy 163W00000X · License R181627 (MD)
1006 TAVERN RD, Martinsburg, WV 25401

Secondary Practice Location 1

Location 14940 Eastern AveBaltimore, MD 21224-2735 · Phone (410) 550-0100

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

John Mason Erwin 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 ID7416173356
PECOS Enrollment IDI20140729002027, I20181205003254

Hospital Affiliations CMS Care Compare 2

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

Meritus Medical Center

Acute Care Hospitals · Hagerstown, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210001
Location11116 Medical Campus RoadHagerstown, MD 21742 · Washington County
Emergency services Birthing friendly

Berkeley Medical Center

Acute Care Hospitals · Martinsburg, WV
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number510008
Location2500 Hospital DriveMartinsburg, WV 25401 · Berkeley County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 25401 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
$124.46 typical visit price
range $53.20 – $164.59
Typical copayment $31.11 (range $13.30 – $41.14)
Most-billed visit code 99204
Established Patient
$66.84 typical visit price
range $16.47 – $133.29
Typical copayment $16.71 (range $4.11 – $33.32)
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.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.46
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 9

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

Anesthesiology
1006 TAVERN RD
MARTINSBURG, WV 25401
Anesthesiology
1006 TAVERN RD
MARTINSBURG, WV 25401
Orthopaedic Surgery
1006 TAVERN RD
MARTINSBURG, WV 25401
Clinic/Center (Ambulatory Surgical)
1006 TAVERN RD
MARTINSBURG, WV 25401
Nurse Anesthetist, Certified Registered
1006 TAVERN RD
MARTINSBURG, WV 25401
Nurse Anesthetist, Certified Registered
1006 TAVERN RD
MARTINSBURG, WV 25401
Anesthesiology
1006 TAVERN RD
MARTINSBURG, WV 25401
Nurse Anesthetist, Certified Registered
1006 TAVERN RD
MARTINSBURG, WV 25401

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 John Erwin's NPI number?

The NPI number for John Erwin is 1386980969. It was assigned to this individual provider in the NPPES registry on December 30, 2012.

Where is John Erwin located?

John Erwin practices at 1006 Tavern Rd, Martinsburg, WV 25401. The listed phone number is (304) 267-0556.

What is John Erwin's specialty?

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

Is John Erwin enrolled in Medicare?

Yes. John Erwin 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 John Erwin accept?

Health plans from CareSource list John Erwin 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 John Erwin affiliated with any hospitals?

According to CMS data, John Erwin is affiliated with Meritus Medical Center and Berkeley Medical Center.

When was this NPI record last updated?

The NPPES record for John Erwin was last updated on March 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.