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DR. MATTHEW JAMES BUTTERI M.D.
NPI 1558488700
Hospitalist in Orange, CA

Active since March 23, 2007PECOS EnrolledAccepts Medicare Assignment
101 CITY DRIVE BLDG 26, ORANGE, CA 92868(714) 456-5339 Get Directions Write a Review

NPPES record last updated: November 29, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Matthew James Butteri M.d. NPPES

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

DR. MATTHEW JAMES BUTTERI M.D. (NPI 1558488700) is an individual hospitalist provider in Orange, California, licensed in California (A90898) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1558488700
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. MATTHEW JAMES BUTTERICredential: M.D.
Location Address101 CITY DRIVE BLDG 26Orange, CA 92868
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986
Phone(714) 456-5339
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateMarch 23, 2007
Last NPPES UpdateNovember 29, 2023
NPPES CertifiedNovember 29, 2023
✔ NPI 1558488700 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A90898
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License A90898 (CA)
101 CITY DRIVE BLDG 26, Orange, CA 92868
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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. Matthew James Butteri 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 ID8224121652
PECOS Enrollment IDI20081020000523
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 Reassignments

3

Medicare enrollment records show Matthew Butteri reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of
Same address
Family Medicine
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 114 clinicians in this Medicare group
NPI 1366590762 (714) 456-8068
Uc Regents
Same address
Allergy & Immunology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 525 clinicians in this Medicare group
NPI 1003864174 (714) 456-8068
The Regents Of The University Of California-Irvine
0.3 mi
Hospitalist
101 THE CITY DR S BLDG 1
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 250 clinicians in this Medicare group
NPI 1154479723 (714) 456-7002

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 3

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.

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.
125 services123 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
61 services61 patients
Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes 99235
This service involves a brief hospital stay for a moderate health issue. You'll be admitted and discharged on the same day, typically within 50 minutes. It's a quick, efficient way to receive necessary care and medical attention.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

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 Matthew Butteri's NPI number?

The NPI number for Matthew Butteri is 1558488700. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Where is Matthew Butteri located?

Matthew Butteri practices at 101 City Drive Bldg 26, Orange, CA 92868. The listed phone number is (714) 456-5339.

What is Matthew Butteri's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Matthew Butteri enrolled in Medicare?

Yes. Matthew Butteri 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 organizations bill Medicare for Matthew Butteri's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Butteri reassigns Medicare benefits to 3 organizations: Regents Of The University Of (Orange, CA), Uc Regents (Orange, CA) and The Regents Of The University Of California-Irvine (Orange, CA). Each 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 Matthew Butteri'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 Matthew Butteri was last updated on November 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.