DR. MELISSA CARYN BUSH M.D.
NPI 1942257373
Obstetrics & Gynecology - Maternal & Fetal Medicine in Newport Beach, CA

Q: What is Melissa Bush's NPI number?

The NPI number for Melissa Bush is 1942257373. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Q: What is Melissa Bush's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Q: When was this NPI record last updated?

The NPPES record for Melissa Bush was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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 30, 2006PECOS EnrolledAccepts Medicare Assignment

1 HOAG DR BLDG 51, NEWPORT BEACH, CA 92663(949) 763-7450(949) 763-7451 Get Directions Write a Review

NPPES record last updated: February 24, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Dr. Melissa Caryn Bush M.d. NPPES

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

DR. MELISSA CARYN BUSH M.D. (NPI 1942257373) is an individual maternal & fetal medicine provider in Newport Beach, California, licensed in California (A65241) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1990).

NPPES Registry Identity

NPI1942257373

Entity TypeIndividualFemale

Primary Taxonomy207VM0101X

Provider Legal NameDR. MELISSA CARYN BUSHCredential: M.D.

Location Address1 HOAG DR BLDG 51Newport Beach, CA 92663-4162

Mailing Address1 Hoag Dr Bldg 51Newport Beach, CA 92663-4162 · (949) 763-7450 · Fax (949) 763-7451

Phone(949) 763-7450

Fax(949) 763-7451

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 1990

Enumeration DateMay 30, 2006

Last NPPES UpdateFebruary 24, 2025

NPPES CertifiedFebruary 24, 2025

✔ NPI 1942257373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207VM0101X

License✔ Licensed in CA · A65241

Definition

An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.

1 HOAG DR BLDG 51, Newport Beach, CA 92663

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Melissa Caryn Bush 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 ID4082690250

PECOS Enrollment IDI20040628001041

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.

Medicare Billing Reassignments

Medicare enrollment records show Melissa Bush reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hoag Clinic

0.2 mi

Primary Care

510 SUPERIOR AVE
Newport Beach, CA 92663

Reassigned Medicare billing, California enrollment
529 clinicians in this Medicare group

NPI 1942799523 (949) 791-3001

Magella Medical Group, Inc.

20 mi

Maternal & Fetal Medicine

2888 LONG BEACH BLVD STE 400
Long Beach, CA 90806

Reassigned Medicare billing, California enrollment
191 clinicians in this Medicare group

NPI 1376640086 (562) 997-8510

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92663 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 3

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

NAZANIN ANVARI

Nurse Practitioner (Family)

1 HOAG DR BLDG 51
NEWPORT BEACH, CA 92663

Orange County (949) 764-5344

DR. MENASHE KFIR M.D.

Obstetrics & Gynecology (Maternal & Fetal Medicine)

1 HOAG DR BLDG 51
NEWPORT BEACH, CA 92663

Orange County (949) 763-7450

MEGAN ELIZABETH PIACQUADIO DO

Obstetrics & Gynecology (Maternal & Fetal Medicine)

1 HOAG DR BLDG 51
NEWPORT BEACH, CA 92663

Orange County (949) 763-7450

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 Melissa Bush's NPI number?

The NPI number for Melissa Bush is 1942257373. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Melissa Bush located?

Melissa Bush practices at 1 Hoag Dr Bldg 51, Newport Beach, CA 92663. The listed phone number is (949) 763-7450.

What is Melissa Bush's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Melissa Bush enrolled in Medicare?

Yes. Melissa Bush 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.

Which organizations bill Medicare for Melissa Bush's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Bush reassigns Medicare benefits to 2 organizations: Hoag Clinic (Newport Beach, CA) and Magella Medical Group, Inc. (Long Beach, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Melissa Bush's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Melissa Bush was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.