DR. MARISA LIU M.D.
NPI 1649624800
Obstetrics & Gynecology in Orange, CA

Q: What is Marisa Liu's NPI number?

The NPI number for Marisa Liu is 1649624800. It was assigned to this individual provider in the NPPES registry on April 14, 2016.

Q: What is Marisa Liu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Marisa Liu was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 April 14, 2016PECOS EnrolledAccepts Medicare Assignment

101 THE CITY DR S STE 800, ORANGE, CA 92868(714) 456-5616 Get Directions Write a Review

NPPES record last updated: May 27, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 27, 2025, Mar 7, 2023, Jul 24, 2020 (3 updates tracked since 2020).

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About Dr. Marisa Liu M.d. NPPES

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

DR. MARISA LIU M.D. (NPI 1649624800) is an individual obstetrics & gynecology provider in Orange, California, licensed in California (A153303) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and is a graduate of University Of Vermont College Of Medicine (2016).

NPPES Registry Identity

NPI1649624800

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. MARISA LIUCredential: M.D.

Location Address101 THE CITY DR S STE 800Orange, CA 92868-3201

Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986

Phone(714) 456-5616

Sole ProprietorNo

Medical School CMSUniversity Of Vermont College Of MedicineGraduated 2016

Enumeration DateApril 14, 2016

Last NPPES UpdateMay 27, 20253 updates tracked since enumeration

NPPES CertifiedMarch 7, 2023

✔ NPI 1649624800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A153303

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

101 THE CITY DR S STE 800, Orange, CA 92868

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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. Marisa Liu M.d. 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 ID9739436478

PECOS Enrollment IDI20200511000829

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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.

Other Providers at the Same Location NPPES

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

DR. NATALIE CATHARINE MONIAGA MD

Obstetrics & Gynecology

101 THE CITY DR S STE 800
ORANGE, CA 92868

Orange County (714) 456-8224

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 Marisa Liu's NPI number?

The NPI number for Marisa Liu is 1649624800. It was assigned to this individual provider in the NPPES registry on April 14, 2016.

Where is Marisa Liu located?

Marisa Liu practices at 101 The City Dr S Ste 800, Orange, CA 92868. The listed phone number is (714) 456-5616.

What is Marisa Liu's specialty?

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

Is Marisa Liu enrolled in Medicare?

Yes. Marisa Liu 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.

When was this NPI record last updated?

The NPPES record for Marisa Liu was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.