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DR. JOSEPH GREGURICH M.D.
NPI 1154416279
Family Medicine in Fountain Valley, CA

Active since October 04, 2006PECOS EnrolledAccepts Medicare Assignment
11100 WARNER AVE, STE 112, FOUNTAIN VALLEY, CA 92708(714) 556-8320(714) 556-5417 Get Directions Write a Review

NPPES record last updated: December 12, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joseph Gregurich M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOSEPH GREGURICH M.D. (NPI 1154416279) is an individual family medicine provider in Fountain Valley, California, licensed in California (G20621) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (1970).

NPPES Registry Identity

NPI1154416279
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JOSEPH GREGURICHCredential: M.D.
Location Address11100 WARNER AVE, STE 112Fountain Valley, CA 92708-7500
Mailing Address11100 Warner Ave, Ste 112Fountain Valley, CA 92708-7500 · (714) 556-8320 · Fax (714) 556-5417
Phone(714) 556-8320
Fax(714) 556-5417
Sole ProprietorYes
Medical School CMSCreighton University School Of MedicineGraduated 1970
Enumeration DateOctober 4, 2006
Last NPPES UpdateDecember 12, 2016
✔ NPI 1154416279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G20621
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
11100 WARNER AVE, Fountain Valley, CA 92708
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Other Identifiers 1

Medicare UPINA40983CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joseph Gregurich M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466349766
PECOS Enrollment IDI20040302000417
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Joseph Gregurich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Choice Aco Inc
4.7 mi
Internal Medicine
7631 WYOMING ST STE 201
Westminster, CA 92683
  • Reassigned Medicare billing, California enrollment
  • 75 clinicians in this Medicare group
NPI 1396416863 (714) 868-0765

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
437 services39 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
253 services68 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
48 services34 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
43 services19 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services18 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers30 claims49 services$5.78 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers11 claims11 services$1.13 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers20 claims20 services$59.06 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$31.53 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SAJEET SINGH SAWHNEY M.D.
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 218
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696
DR. ROBERT ALLAN DEVEREAUX MD
Family Medicine
11100 WARNER AVE, STE 100
FOUNTAIN VALLEY, CA 92708
Orange County (714) 957-9389
DR. VIJAYALAKSHMI WIJEYAKUMAR M.D.
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 212
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696
PLATINUM MEDICAL CARE
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 218
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696
FOUNTAIN VALLEY REGIONAL HOSPITAL AND MEDICAL CENTER
Pharmacist (Pharmacotherapy)
11100 WARNER AVE, SUITE 318
FOUNTAIN VALLEY, CA 92708
Orange County (714) 966-7217
SELECT HEALTHCARE SYSTEM, A MEDICAL CORPORATION
Health Maintenance Organization
11100 WARNER AVE, SUITE 152
FOUNTAIN VALLEY, CA 92708
Orange County (714) 343-7575
MRS. TOQUYNH DINH KIEU M.D.
Pediatrics
11100 WARNER AVE, SUITE # 116
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-0850
DR. AJIT SINGH SAWHNEY M.D.
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 212
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Gregurich's NPI number?

The NPI number for Joseph Gregurich is 1154416279. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is Joseph Gregurich located?

Joseph Gregurich practices at 11100 Warner Ave Ste 112, Fountain Valley, CA 92708. The listed phone number is (714) 556-8320.

What is Joseph Gregurich's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Joseph Gregurich enrolled in Medicare?

Yes. Joseph Gregurich is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Joseph Gregurich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Gregurich reassigns Medicare benefits to Family Choice Aco Inc (Westminster, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Gregurich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joseph Gregurich was last updated on December 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.