Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Marc D. Melnik, MD

Works at hospitals in Whittier, CA · California

Summary

Marc D. Melnik, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Whittier, CA. NPI 1124182084. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marc D. Melnik, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
R Franklin University Of Med & Sci/chicago Medical SchoolMedical school
MaleGender (as listed)
PIH Health PhysiciansGroup practice

Quick answers

Which hospitals does Marc D. Melnik work at?
Medicare's official clinician data lists Marc D. Melnik at 1 hospital: PIH Health Hospital-Whittier. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marc D. Melnik see patients?
Medicare's clinician data lists 4 practice locations, including Whittier, CA and La Mirada, CA. Call before your visit to confirm the address.
What is Marc D. Melnik's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Marc D. Melnik accept Medicare assignment?
Yes. Medicare's clinician data says Marc D. Melnik accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Marc D. Melnik?
(562) 698-0811, as listed in official Medicare / NPI Registry data.
What is Marc D. Melnik's NPI number?
1124182084. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marc D. Melnik works

Medicare's Facility Affiliation Data lists Marc D. Melnik at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Marc D. Melnik is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marc D. Melnik as a member of this group (CMS data updated 2026-10-02).

  • PIH Health Physicians622 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Whittier

Clinicians with the same Medicare primary specialty in Whittier, CA — not a recommendation.

All OB-GYNs in Whittier →

Clinician information

CredentialMD
Medical schoolR Franklin University Of Med & Sci/chicago Medical School
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124182084
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians