DR. MICHELLE YOUNG O'CONNOR MD
NPI 1588155295
Emergency Medicine in Pasadena, CA

Q: What is Michelle O'connor's NPI number?

The NPI number for Michelle O'connor is 1588155295. It was assigned to this individual provider in the NPPES registry on May 29, 2018.

Q: What is Michelle O'connor's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Michelle O'connor was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since May 29, 2018PECOS EnrolledAccepts Medicare Assignment

96.72/100

CMS Quality Rating

100 W CALIFORNIA BLVD, PASADENA, CA 91105(626) 397-5000 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 20, 2025, Apr 26, 2022 (2 updates tracked since 2022).

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About Dr. Michelle Young O'connor Md NPPES

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

DR. MICHELLE YOUNG O'CONNOR MD (NPI 1588155295) is an individual emergency medicine provider in Pasadena, California, licensed in California (A164739) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with Martha's Vineyard Hospital Inc, and is a graduate of Icahn School Of Medicine At Mount Sinai (2018).

NPPES Registry Identity

NPI1588155295

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. MICHELLE YOUNG O'CONNORCredential: MD

Location Address100 W CALIFORNIA BLVDPasadena, CA 91105-3010

Mailing Address1920 Hillhurst Ave # 1282Los Angeles, CA 90027-2712 · (781) 492-6650

Phone(626) 397-5000

Sole ProprietorNo

Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2018

Enumeration DateMay 29, 2018

Last NPPES UpdateMarch 20, 20252 updates tracked since enumeration

NPPES CertifiedMarch 20, 2025

✔ NPI 1588155295 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · A164739

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

100 W CALIFORNIA BLVD, Pasadena, CA 91105

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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

Dr. Michelle Young O'connor 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 ID8527495563

PECOS Enrollment IDI20250407002762

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 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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

120 services118 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

102 services97 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

28 services28 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

18 services18 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Martha's Vineyard Hospital Inc

Critical Access Hospitals · Oak Bluffs, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number221300

LocationOne Hospital Road, First Fl, Wing 5, PO Box 1477Oak Bluffs, MA 02557 · Dukes County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

96.72/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

77.73

Improvement Activities

Cost

96.55

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.

SARAH STEPHENS NP

Nurse Practitioner (Acute Care)