NPPES file of Aug 9, 2026

Melissa Lopez, MD

Obstetrics & Gynecology Physician · Orange, CA

Melissa Lopez, MD is an obstetrics & gynecology physician with a practice address in Orange, California, and NPI 1730640632, issued on Mar 26, 2019. Check the license (California A181895, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730640632
Name
Melissa Lopez
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A181895 CA
Self-reported in NPPES; status is on the state search
Practice location
333 City Blvd W Ste 1400, Orange, CA 92868
Phone
(714) 456-8224
Enumerated
Mar 26, 2019
Record last updated
Oct 11, 2023
Fax
(714) 456-8360
Medicare enrollment
Enrolled (PECOS I20231010000310); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 333 City Blvd W Ste 1400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clare-Marie Anderson, MDStudent in an Organized Health Care Education/Training Program1316687643
  2. Michelle Bondero, MDDiagnostic Radiology Physician1013598705
  3. Kristen Buono, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1245573039
  4. Anna Cornelius-SchecterStudent in an Organized Health Care Education/Training Program1447991963
  5. Isabel Del Canto, MDStudent in an Organized Health Care Education/Training Program1649850595
  6. Priya PatelStudent in an Organized Health Care Education/Training Program1912468166

Verify Melissa Lopez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A181895
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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46% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

89 Medicare Part D claims for 37 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Melissa Lopez89
  2. Specialty average165

Most prescribed

  1. Estradiol34 claims
  2. Clobetasol Propionate11 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.

Industry payments in 2024: $1,500.00

1 payment: education; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Melissa Lopez$1,500.00
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Regents OF The University OF CaliforniaOrange, CA
  2. University OF California IrvineAnaheim, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

Other obstetrics & gynecology physician records in California

  1. Ingrid Aalami, MDSan Jose, CA1952376550
  2. Avisa Abaian- Eagar, M.D.Orange, CA1316057755
  3. Derek Abbassi, MDWalnut Creek, CA1841364155
  4. Ahmed Abdelaziz, MDSanta Maria, CA1790039733
  5. Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
  6. Nicole Abell, DOVentura, CA1811243603
  7. Zachary AbelsonLos Angeles, CA1689237414
  8. Ray Abinader, M.D.Loma Linda, CA1770901548
  9. Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
  10. Nada Abou-HaibaLos Angeles, CA1134067549

Common questions

What is Melissa Lopez, MD's NPI number?

Melissa Lopez, MD's National Provider Identifier (NPI) is 1730640632, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Lopez, MD located?

The NPPES record lists a practice address at 333 City Blvd W Ste 1400, Orange, CA, 92868. Phone: (714) 456-8224. Providers update this record themselves, so call before visiting.

How can I verify Melissa Lopez, MD's license?

NPPES lists California license number A181895, 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 Melissa Lopez, MD prescribe under Medicare Part D?

In 2024, Melissa Lopez, MD had 89 Medicare Part D claims for 37 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

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.