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COURTNEY GOODWIN MASEAR M.D.
NPI 1457539983
Anesthesiology in Baltimore, MD

Active since February 06, 2008PECOS Enrolled
74.39/100
CMS Quality Rating
1800 ORLEANS STREET, ZAYED 8120, JOHNS HOPKINS HOSPITAL, BALTIMORE, MD 21287(410) 955-5608 Get Directions Write a Review

NPPES record last updated: January 20, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Courtney Goodwin Masear M.d. NPPES

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

COURTNEY GOODWIN MASEAR M.D. (NPI 1457539983) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D0079235) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Bayview Medical Center, and is a graduate of Johns Hopkins University School Of Medicine (2009).

NPPES Registry Identity

NPI1457539983
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameCOURTNEY GOODWIN MASEARCredential: M.D.
Location Address1800 ORLEANS STREET, ZAYED 8120, JOHNS HOPKINS HOSPITALBaltimore, MD 21287
Mailing Address1800 Orleans Street, Zayed 8120, Johns Hopkins HospitalBaltimore, MD 21287
Phone(410) 955-5608
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2009
Enumeration DateFebruary 6, 2008
Last NPPES UpdateJanuary 20, 2017
✔ NPI 1457539983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MD · D0079235
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1800 ORLEANS STREET, ZAYED 8120, Baltimore, MD 21287
Open in Google Maps ↗

Other Names 1

Former Name (1)Courtney Jarrard Goodwin M.d.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Courtney Goodwin Masear M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1557674710
PECOS Enrollment IDI20150716001605
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 Reassignment

Medicare enrollment records show Courtney Masear reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Johns Hopkins University
0.1 mi
Critical Care Medicine
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1881694453 (410) 933-5474

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 5

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.

Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
15 services15 patients
Anesthesia for other closed procedure on chest 00520
Anesthesia for a closed chest procedure involves the use of medications to block sensation, ensuring you don't feel pain during the procedure. It can be general (you're asleep) or regional (part of your body is numbed). This helps maintain comfort and safety.
13 services13 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
11 services11 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
11 services11 patients
Anesthesia for total hip replacement 01214
Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210029
Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County
Emergency services Birthing friendly

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.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

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 Courtney Masear's NPI number?

The NPI number for Courtney Masear is 1457539983. It was assigned to this individual provider in the NPPES registry on February 6, 2008. The provider is also known as Courtney Jarrard Goodwin M.D..

Where is Courtney Masear located?

Courtney Masear practices at 1800 Orleans Street, Zayed 8120 Johns Hopkins Hospital, Baltimore, MD 21287. The listed phone number is (410) 955-5608.

What is Courtney Masear's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Courtney Masear enrolled in Medicare?

Yes. Courtney Masear is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Courtney Masear's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Masear reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Courtney Masear's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Courtney Masear affiliated with any hospitals?

According to CMS data, Courtney Masear is affiliated with Johns Hopkins Bayview Medical Center.

When was this NPI record last updated?

The NPPES record for Courtney Masear was last updated on January 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.