NPPES file of Aug 9, 2026

Joseph Gregurich, M.D.

Family Medicine Physician · Fountain Valley, CA

Joseph Gregurich, M.D. is a family medicine physician with a practice address in Fountain Valley, California, and NPI 1154416279, issued on Oct 4, 2006. Check the license (California G20621, 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
1154416279
Name
Joseph Gregurich
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G20621 CA
Self-reported in NPPES; status is on the state search
Practice location
11100 Warner Ave, Fountain Valley, CA 92708
Phone
(714) 556-8320
Enumerated
Oct 4, 2006
Record last updated
Dec 12, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(714) 556-5417
Medicare enrollment
Enrolled (PECOS I20040302000417); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 1970
Telehealth
Offers telehealth (CMS)
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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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 11100 Warner Ave

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

  1. Reginald Abraham, M DThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1720042864
  2. Joel Berman, M.D.Surgery Physician1790724490
  3. Bao Bui, M.D.Cardiovascular Disease Physician1801099593
  4. Andrew Ceavatta, M.D.Dermatology Physician1164486965
  5. Maria Crosby, PTPhysical Therapist1891709739
  6. Himmet Dajee, MDSpecialist1124082730

Verify Joseph Gregurich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G20621    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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18% fewer Medicare Part D claims than the average family medicine physician in 2024

2,892 Medicare Part D claims for 158 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 206 claims were for opioids.

  1. Joseph Gregurich2,892
  2. Specialty average3,544

Most prescribed

  1. Hydrocodone-Acetaminophen142 claims
  2. Amlodipine Besylate114 claims
  3. Metformin Hcl108 claims
  4. Losartan Potassium100 claims
  5. Atorvastatin Calcium94 claims
  6. Pantoprazole Sodium81 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: $28.67

1 payment: food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Gregurich$28.67
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. Family Choice Aco IncWestminster, CA

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

Joseph Gregurich among 17,133 family medicine physician records in California

Joseph Gregurich, M.D. is one of 17,133 family 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1970 · median 2005 among the 10,652 with a school on file
  • Record last updated2016 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

51 family medicine physician records list a practice address in Fountain Valley

They are 51 of the 2,190 NPPES records with a practice address in Fountain Valley, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Fountain Valley → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Arfa Babaknia, M.D.Fountain Valley, CA 927081205826849
  2. Hung-Chuan Cheng, M.D.Fountain Valley, CA 927081053389023
  3. Brian Coyne, M.D.Fountain Valley, CA 927081457306334
  4. Nasrin Damoui, MDFountain Valley, CA 927081841295326
  5. Robert Devereaux, MDFountain Valley, CA 927081043264781
  6. David Dunckel, MDFountain Valley, CA 927081518957794
  7. Edgar Fernandez, DOFountain Valley, CA 927081033157235
  8. Jo Lieberman Pan, MDFountain Valley, CA 927081598756090

Common questions

What is Joseph Gregurich, M.D.'s NPI number?

Joseph Gregurich, M.D.'s National Provider Identifier (NPI) is 1154416279, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Gregurich, M.D. located?

The NPPES record lists a practice address at 11100 Warner Ave, Fountain Valley, CA, 92708. Phone: (714) 556-8320. Providers update this record themselves, so call before visiting.

How can I verify Joseph Gregurich, M.D.'s license?

NPPES lists California license number G20621, 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 Joseph Gregurich, M.D. prescribe under Medicare Part D?

In 2024, Joseph Gregurich, M.D. had 2,892 Medicare Part D claims for 158 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.