NPPES file of Aug 9, 2026

Nicholas Raul Lopez, M.D.

Emergency Medicine Physician · Napa, CA

Nicholas Raul Lopez, M.D. is an emergency medicine physician with a practice address in Napa, California, and NPI 1932231503, issued on Mar 9, 2007. Check the license (California A100996, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932231503
Name
Nicholas Raul Lopez
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A100996 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 Trancas St, Napa, CA 94558
Phone
(707) 252-4411
Enumerated
Mar 9, 2007
Record last updated
Jan 7, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
1932231503 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1000 Trancas St

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

  1. Deborah Albert, PH.D, BSN, IBCLCLactation Consultant (Registered Nurse)1508115247
  2. Christian Anderson, M.D.Radiation Oncology Physician1235160730
  3. Melvin Atchison, CRNACertified Registered Nurse Anesthetist1750331344
  4. Ernesto Avelar, PHARM DCritical Care Pharmacist1265365787
  5. Mark Borsody, MDNeurology Physician1215179767
  6. Maureen Bose, BSN, RN, IBCLCLactation Consultant (Registered Nurse)1780375733

Verify Nicholas Raul 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 A100996
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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47% fewer Medicare Part D claims than the average emergency medicine physician in 2024

120 Medicare Part D claims for 100 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Nicholas Lopez120
  2. Specialty average226

Most prescribed

  1. Doxycycline Hyclate13 claims
  2. Cefdinir11 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): 80.7 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.

  1. Qualityout of 100 · 30% of the final score70.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $33.21

1 payment: food and beverage; the largest payer was Fisher & Paykel Healthcare Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nicholas Lopez$33.21
  2. Specialty average$953.79

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

Nicholas Raul Lopez among 7,751 emergency medicine physician records in California

Nicholas Raul Lopez, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 50% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2011 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. John Brazil, MDNapa, CA 945581801545900
  2. Robert Brown, MDNapa, CA 945581255372223
  3. Steven Cardey, MDNapa, CA 945581902847064
  4. Joseph Dane, MDNapa, CA 945581982644894
  5. Andrew Fenton, M.D.Napa, CA 945581215977335
  6. Kaylin Flowers, M.D.Napa, CA 945581841552734
  7. Mia Geurts, MDNapa, CA 945581932646064
  8. Andrew Lane, M.D.Napa, CA 945581417606583

Common questions

What is Nicholas Raul Lopez, M.D.'s NPI number?

Nicholas Raul Lopez, M.D.'s National Provider Identifier (NPI) is 1932231503, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Raul Lopez, M.D. located?

The NPPES record lists a practice address at 1000 Trancas St, Napa, CA, 94558. Phone: (707) 252-4411. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Raul Lopez, M.D.'s license?

NPPES lists California license number A100996, 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 Nicholas Raul Lopez, M.D. prescribe under Medicare Part D?

In 2024, Nicholas Raul Lopez, M.D. had 120 Medicare Part D claims for 100 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Nicholas Raul Lopez, M.D.'s MIPS final score?

The 2023 MIPS final score is 80.7 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.