Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DARLENE MULYANTO-MONG
NPI 1255873717
Nurse Practitioner - Acute Care in Orange, CA

Q: What is Darlene Mulyanto-mong's NPI number?

The NPI number for Darlene Mulyanto-mong is 1255873717. It was assigned to this individual provider in the NPPES registry on November 14, 2016.

Q: What is Darlene Mulyanto-mong's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Active since November 14, 2016PECOS Enrolled

101 THE CITY DR S, ORANGE, CA 92868(714) 456-7890 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 3, 2026, Aug 27, 2026, May 19, 2025 and 5 more (8 updates tracked since 2016).

On this page

About Darlene Mulyanto-mong NPPES

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

DARLENE MULYANTO-MONG (NPI 1255873717) is an individual acute care provider in Orange, California, licensed in California (95004975) and active in the NPI registry since November 2016. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1255873717

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameDARLENE MULYANTO-MONG

Location Address101 THE CITY DR SOrange, CA 92868-3201

Mailing Address1038 Oban DrLos Angeles, CA 90065-4257

Phone(714) 456-7890

Sole ProprietorNo

Enumeration DateNovember 14, 2016

Last NPPES UpdateSeptember 3, 20268 updates tracked since enumeration

NPPES CertifiedSeptember 3, 2026

✔ NPI 1255873717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in CA · 95004975

101 THE CITY DR S, Orange, CA 92868

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Secondary Practice Locations 3

Location 12051 Marengo StLos Angeles, CA 90033-1352 · Phone (323) 409-1000

Location 214445 Olive View Dr, North AnnexSylmar, CA 91342-1437 · Phone (818) 364-1555

Location 31500 San Pablo StLos Angeles, CA 90033-5313 · Phone (800) 872-2273

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Darlene Mulyanto-mong is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

38 services38 patients

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

$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.

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.

DR. ANKIT BHUPENDRA PATEL D.O.

Radiology (Diagnostic Radiology)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-5113

DR. LAURA CATHERINE SKOCZYLAS MD

Obstetrics & Gynecology

101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868

Orange County (714) 456-8224

MICHAEL CHENG DO

Internal Medicine (Rheumatology)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-7110

AESTHETIC AND PLASTIC SURGERY INSTITUTE

Plastic Surgery

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-2986

JOSEPH VILLARREAL M.D.

Emergency Medicine

101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868

Orange County (714) 456-5239

DEMI TRAN

Psychiatry & Neurology (Neurology)

101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868

Orange County (171) 456-6693

DR. ISABEL CARLTON CLARK M.D.

Surgery (Trauma Surgery)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-7890

DYLAN LUKATO

Emergency Medicine

101 THE CITY DR S
ORANGE, CA 92868

Orange County (415) 218-8041

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 Darlene Mulyanto-mong's NPI number?

The NPI number for Darlene Mulyanto-mong is 1255873717. It was assigned to this individual provider in the NPPES registry on November 14, 2016.

Where is Darlene Mulyanto-mong located?

Darlene Mulyanto-mong practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7890.

What is Darlene Mulyanto-mong's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Darlene Mulyanto-mong enrolled in Medicare?

Yes. Darlene Mulyanto-mong is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Darlene Mulyanto-mong was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.