1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Obstetrics Gynecology
  6. NPI Profile

MARIAN PAK D.O.
NPI 1790128841
Obstetrics & Gynecology in Los Angeles, CA

Active since April 09, 2013PECOS EnrolledAccepts Medicare Assignment
76.26/100
CMS Quality Rating
1300 N VERMONT AVE STE 1001, LOS ANGELES, CA 90027(323) 473-5499 Get Directions Write a Review

NPPES record last updated: June 4, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 4, 2019, Mar 17, 2018, Aug 4, 2017 (3 updates tracked since 2017).

About Marian Pak D.o. NPPES

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

MARIAN PAK D.O. (NPI 1790128841) is an individual obstetrics & gynecology provider in Los Angeles, California, licensed in California (20A13783) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1790128841
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARIAN PAKCredential: D.O.
Location Address1300 N VERMONT AVE STE 1001Los Angeles, CA 90027
Mailing Address200 E. Sandpoint, Suite 725Santa Ana, CA 92707 · (949) 722-7038
Phone(323) 473-5499
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateApril 9, 2013
Last NPPES UpdateJune 4, 20193 updates tracked since enumeration
✔ NPI 1790128841 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 · 20A13783
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.
1300 N VERMONT AVE STE 1001, Los Angeles, CA 90027
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1155 N Fresno StFresno, CA 93701-2302 · Phone (559) 499-6548
Location 28215 Van Nuys Blvd Ste 104Panorama City, CA 91402-4855 · Phone (818) 994-4010 · Fax (818) 994-4033

Other Identifiers 1

Other20A13783CA · Medical License

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

Marian Pak D.o. 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 ID9830450832
PECOS Enrollment IDI20180308002018
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 90027 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.

76.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality62.74
Improvement Activities40
Cost59.29

Other Providers at the Same Location NPPES 3

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

EIJEAN WU MD, MPP
Obstetrics & Gynecology (Gynecologic Oncology)
1300 N VERMONT AVE STE 1001
LOS ANGELES, CA 90027
Los Angeles County (323) 473-5499
EIJEAN WU, MD, MPP, A PROFESSIONAL CORPORATION
Obstetrics & Gynecology (Gynecologic Oncology)
1300 N VERMONT AVE STE 1001
LOS ANGELES, CA 90027
Los Angeles County (323) 473-5499
PIA LYN KHUU PA-C
Physician Assistant
1300 N VERMONT AVE STE 1001
LOS ANGELES, CA 90027
Los Angeles County (323) 473-5499

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 Marian Pak's NPI number?

The NPI number for Marian Pak is 1790128841. It was assigned to this individual provider in the NPPES registry on April 9, 2013.

Where is Marian Pak located?

Marian Pak practices at 1300 N Vermont Ave Ste 1001, Los Angeles, CA 90027. The listed phone number is (323) 473-5499.

What is Marian Pak's specialty?

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

Is Marian Pak enrolled in Medicare?

Yes. Marian Pak 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 Marian Pak was last updated on June 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.