NPPES file of Aug 9, 2026

Martin Griglak, MD

Emergency Medical Services (Emergency Medicine) Physician · La Jolla, CA

Martin Griglak, MD is an emergency medical services (emergency medicine) physician with a practice address in La Jolla, California, and NPI 1821166992, issued on Nov 30, 2006. Check the license (California G045747, 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
1821166992
Name
Martin Griglak
Credential
MD
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
G045747 CA
Self-reported in NPPES; status is on the state search
Practice location
9888 Genesee Ave, La Jolla, CA 92037
Phone
(858) 626-6151
Enumerated
Nov 30, 2006
Record last updated
Jun 27, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050325000536); accepts Medicare assignment
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 9888 Genesee Ave

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

  1. Lesly Aguilar TaboraNeurology Physician1467638601
  2. Iman AutmanMedical-Surgical Clinical Nurse Specialist1184579070
  3. Mariah Baughn, MDAnatomic Pathology & Clinical Pathology Physician1205032752
  4. Justin BlackmonPhysician Assistant1699182832
  5. Julie Bornhoeft, MS, RDRegistered Dietitian1740721760
  6. Maja Boyd, MSN, RN, AGCNS-BCAdult Health Clinical Nurse Specialist1992294847

Verify Martin Griglak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G045747
    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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55% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

132 Medicare Part D claims for 98 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. Martin Griglak132
  2. Specialty average292

Most prescribed

  1. Prednisone15 claims
  2. Hydrocodone-Acetaminophen14 claims
  3. Oxycodone-Acetaminophen12 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): 88.2 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 score83.3
  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).

Bills Medicare through one group practice

  1. LA Jolla Observation MedicineLa Jolla, CA

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

Emergency Medical Services (Emergency Medicine) Physician providers in California

There are 233 emergency medical services (emergency medicine) physician records in California.

Other emergency medical services (emergency medicine) physician records in California

  1. Louis Acosta, M.D.Los Angeles, CA1528144219
  2. Derek Ailes, M.D.Walnut Creek, CA1992001804
  3. Talal Al Quraini, M.D.Chula Vista, CA1316955446
  4. Ernest Almendarez, MDStockton, CA1821182338
  5. Manish Amin, DOBakersfield, CA1407813116
  6. Christopher Angemi, D.O.Torrance, CA1386814671
  7. Allison Auchter, MD, PHDOceanside, CA1013595248
  8. Tigran Avoian, MDLos Angeles, CA1649402678
  9. Eugene Baldridge, M.D.Torrance, CA1255373924
  10. Larry Baraff, MDLos Angeles, CA1083630883

Common questions

What is Martin Griglak, MD's NPI number?

Martin Griglak, MD's National Provider Identifier (NPI) is 1821166992, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martin Griglak, MD located?

The NPPES record lists a practice address at 9888 Genesee Ave, La Jolla, CA, 92037. Phone: (858) 626-6151. Providers update this record themselves, so call before visiting.

How can I verify Martin Griglak, MD's license?

NPPES lists California license number G045747, 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 Martin Griglak, MD prescribe under Medicare Part D?

In 2024, Martin Griglak, MD had 132 Medicare Part D claims for 98 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.

What is Martin Griglak, MD's MIPS final score?

The 2023 MIPS final score is 88.2 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.