MARY LOUISE STEPAN KIERNAN MD
NPI 1104289065
Obstetrics & Gynecology in Long Beach, CA

Q: What is Mary Louise Kiernan's NPI number?

The NPI number for Mary Louise Kiernan is 1104289065. It was assigned to this individual provider in the NPPES registry on March 29, 2016.

Q: What is Mary Louise Kiernan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Active since March 29, 2016PECOS EnrolledAccepts Medicare Assignment

76.74/100

CMS Quality Rating

3711 LONG BEACH BLVD STE 700, LONG BEACH, CA 90807(562) 424-8422(562) 424-8770 Get Directions Write a Review

NPPES record last updated: March 4, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 4, 2022, Mar 11, 2021, Mar 29, 2016 (3 updates tracked since 2016).

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About Mary Louise Stepan Kiernan Md NPPES

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

MARY LOUISE STEPAN KIERNAN MD (NPI 1104289065) is an individual obstetrics & gynecology provider in Long Beach, California, licensed in California (A170051) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and is a graduate of New York Medical College (2016).

NPPES Registry Identity

NPI1104289065

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameMARY LOUISE STEPAN KIERNANCredential: MD

Location Address3711 LONG BEACH BLVD STE 700Long Beach, CA 90807-3353

Mailing Address3711 Long Beach Blvd Ste 700Long Beach, CA 90807-3353 · (562) 634-8812 · Fax (562) 424-8770

Phone(562) 424-8422

Fax(562) 424-8770

Sole ProprietorNo

Medical School CMSNew York Medical CollegeGraduated 2016

Enumeration DateMarch 29, 2016

Last NPPES UpdateMarch 4, 20223 updates tracked since enumeration

NPPES CertifiedMarch 4, 2022

✔ NPI 1104289065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A170051

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

3711 LONG BEACH BLVD STE 700, Long Beach, CA 90807

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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

Mary Louise Stepan Kiernan 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 ID7113258815

PECOS Enrollment IDI20201008000899

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

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

18 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90807 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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.

76.74/100

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

Scored as part of a group practice

Quality

80.94

Promoting Interoperability

Improvement Activities

Cost

55.12

Other Providers at the Same Location NPPES 6

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

WCE CA ECC, INC.

Clinic/Center (Emergency Care)