IRWIN E. HARRIS M.D.
NPI 1831152040
Orthopaedic Surgery in Bakersfield, CA

Q: What is Irwin Harris's NPI number?

The NPI number for Irwin Harris is 1831152040. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Q: What is Irwin Harris's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: Is Irwin Harris enrolled in Medicare?

No. Irwin Harris has opted out of Medicare through January 11, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Irwin Harris was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since April 10, 2006Opted out of Medicare · through Jan 11, 2028

1830 FLOWER ST, 144, BAKERSFIELD, CA 93305(661) 326-2000(661) 872-3366 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Irwin E. Harris M.d. NPPES

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

IRWIN E. HARRIS M.D. (NPI 1831152040) is an individual orthopaedic surgery provider in Bakersfield, California, licensed in California (G87574) and active in the NPI registry since April 2006. He has opted out of Medicare through January 11, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1831152040

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameIRWIN E. HARRISCredential: M.D.

Location Address1830 FLOWER ST, 144Bakersfield, CA 93305-4144

Mailing Address1830 Flower St, 144Bakersfield, CA 93305-4144 · (661) 326-2000 · Fax (661) 872-3311

Phone(661) 326-2000

Fax(661) 872-3366

Sole ProprietorNo

Enumeration DateApril 10, 2006

Last NPPES UpdateJuly 9, 2007

✔ NPI 1831152040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in CA · G87574

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

1830 FLOWER ST, Bakersfield, CA 93305

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Other Identifiers 2

Medicare UPINA18962CA

Medicare ID-Type Unspecified00G87574CA · Active

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Irwin E. Harris M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 11, 2016 through January 11, 2028.

Opt-Out Effective DateJanuary 11, 2016

Opt-Out In Effect ThroughJanuary 11, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93305 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

$91.09 typical visit price

range $59.26 – $178.09

Typical copayment $22.77 (range $14.81 – $44.52)

Most-billed visit code 99203

Established Patient

$73.67 typical visit price

range $19.34 – $145.64

Typical copayment $18.41 (range $4.83 – $36.41)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

JANICE A. BROWN MS, CNM, NP

Nurse Practitioner

1830 FLOWER ST, 144
BAKERSFIELD, CA 93305

Kern County (661) 326-2000

MRS. TRUDEE LEE CRAYTON CNA

Case Manager/Care Coordinator