Marc D. Melnik, M.D.
Obstetrics & Gynecology Physician · Whittier, CA
Marc D. Melnik, M.D. is an obstetrics & gynecology physician with a practice address in Whittier, California, and NPI 1124182084, issued on Dec 21, 2006. Check the license (California A65358, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marc D. Melnik
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A65358 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14350 Whittier Blvd, Whittier, CA 90605
- Phone
- (562) 945-3050
- Enumerated
- Dec 21, 2006
- Record last updated
- Mar 26, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040112000484); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1996
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 14350 Whittier Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marc D. Melnik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A65358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
169 Medicare Part D claims for 51 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Estradiol16 claims
- Premarin15 claims
- Oxybutynin Chloride Er11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pih Health PhysiciansWhittier, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc D. Melnik among 5,088 obstetrics & gynecology physician records in California
Marc D. Melnik, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1996 · median 2004 among the 2,700 with a school on file
- Record last updated2009 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Whittier → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Vellore Bhupathy, MDWhittier, CA 906051689729527
- Seymour Melnik, M.D.Whittier, CA 906051013071976
- Azmath Qureshi, MDWhittier, CA 906051083702815
- Gene Soloway, M.D.Whittier, CA 906051134283088
- Steve Vouis, M.D.Whittier, CA 906041194756825
- Cecelia Minardo, M.D.Whittier, CA 906031407966872
- Kamilah Evans, MDWhittier, CA 906021689251480
- Brent Gray, M.D.Whittier, CA 906021114015963
Common questions
What is Marc D. Melnik, M.D.'s NPI number?
Marc D. Melnik, M.D.'s National Provider Identifier (NPI) is 1124182084, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc D. Melnik, M.D. located?
The NPPES record lists a practice address at 14350 Whittier Blvd, Whittier, CA, 90605. Phone: (562) 945-3050. Providers update this record themselves, so call before visiting.
How can I verify Marc D. Melnik, M.D.'s license?
NPPES lists California license number A65358, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc D. Melnik, M.D. prescribe under Medicare Part D?
In 2024, Marc D. Melnik, M.D. had 169 Medicare Part D claims for 51 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Marc D. Melnik, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.