NPPES file of Aug 9, 2026

Peter Derek Markel, MD

Emergency Medicine Physician · Watsonville, CA

Peter Derek Markel, MD is an emergency medicine physician with a practice address in Watsonville, California, and NPI 1225095151, issued on Apr 26, 2006. Check the license (California A64548, 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
1225095151
Name
Peter Derek Markel
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A64548 CA
Self-reported in NPPES; status is on the state search
Practice location
75 Nielson St, Watsonville, CA 95076
Phone
(831) 761-5613
Enumerated
Apr 26, 2006
Record last updated
Jan 29, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid ID
1225095151 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 75 Nielson St

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

  1. Olivia Arrabit, PA-CPhysician Assistant1609723295
  2. Debra Bytendorp, R.PH.Pharmacist1346228079
  3. Naomi Delaplane-YusemDoula1013769801
  4. Iris DichupaCertified Registered Nurse Anesthetist1417450149
  5. Guy Gadd, LMFTMarriage & Family Therapist1609932847
  6. Jennifer Greening, PAPhysician Assistant1700827342

Verify Peter Derek Markel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A64548
    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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49% fewer Medicare Part D claims than the average emergency medicine physician in 2024

115 Medicare Part D claims for 91 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Peter Markel115
  2. Specialty average226

Most prescribed

  1. Ibuprofen21 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): 94.6 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 score76.7
  2. Costout of 100 · 30%97.1
  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).

Peter Derek Markel among 7,751 emergency medicine physician records in California

Peter Derek Markel, MD 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2015 · 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. Patrick Cary, D.O.Watsonville, CA 950761144638677
  2. Woodworth Clum, MDWatsonville, CA 950761366499451
  3. Lisa Jenkins, MDWatsonville, CA 950761922197953
  4. Vit Kraushaar, M.D.Watsonville, CA 950761932497914
  5. Sterling Lewis, DOWatsonville, CA 950761609816537
  6. Mark Luoto, MDWatsonville, CA 950761932158854
  7. Michael McGannon, MDWatsonville, CA 950761235216755
  8. Douglas Spurr, MDWatsonville, CA 950761205881257

Common questions

What is Peter Derek Markel, MD's NPI number?

Peter Derek Markel, MD's National Provider Identifier (NPI) is 1225095151, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter Derek Markel, MD located?

The NPPES record lists a practice address at 75 Nielson St, Watsonville, CA, 95076. Phone: (831) 761-5613. Providers update this record themselves, so call before visiting.

How can I verify Peter Derek Markel, MD's license?

NPPES lists California license number A64548, 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 Peter Derek Markel, MD prescribe under Medicare Part D?

In 2024, Peter Derek Markel, MD had 115 Medicare Part D claims for 91 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Peter Derek Markel, MD's MIPS final score?

The 2023 MIPS final score is 94.6 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.