DR. CATHERINE KOPER MD
NPI 1245466929
Internal Medicine in Newport Beach, CA

Q: What is Catherine Koper's NPI number?

The NPI number for Catherine Koper is 1245466929. It was assigned to this individual provider in the NPPES registry on June 8, 2009.

Q: What is Catherine Koper's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Catherine Koper was last updated on September 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 June 08, 2009PECOS Enrolled

320 SUPERIOR AVE, SUITE 310, NEWPORT BEACH, CA 92663(949) 515-3590 Get Directions Write a Review

NPPES record last updated: September 29, 2015. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Dr. Catherine Koper Md NPPES

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

DR. CATHERINE KOPER MD (NPI 1245466929) is an individual internal medicine provider in Newport Beach, California, licensed in California (A13199) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1245466929

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. CATHERINE KOPERCredential: MD

Location Address320 SUPERIOR AVE, SUITE 310Newport Beach, CA 92663-2716

Mailing Address320 Superior Ave, Suite 310Newport Beach, CA 92663-2716 · (949) 515-3590

Phone(949) 515-3590

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateJune 8, 2009

Last NPPES UpdateSeptember 29, 2015

✔ NPI 1245466929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in CA · A13199✔ Licensed in NJ · 25MA09408000

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

320 SUPERIOR AVE, Newport Beach, CA 92663

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Catherine Koper Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820219462

PECOS Enrollment IDI20141023000258

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 Catherine Koper reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Newport Id, Inc.

4.3 mi

Health Service

9215 RESIDENCIA
Newport Beach, CA 92660

Reassigned Medicare billing, California enrollment

NPI 1548700313 (201) 888-3433

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 5

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.

1,035 services202 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.

659 services170 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.

164 services135 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

56 services20 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

38 services38 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92663 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.

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. KAMALDEEP SINGH D.C

Chiropractor (Rehabilitation)

320 SUPERIOR AVE, SUITE 350
NEWPORT BEACH, CA 92663

Orange County (949) 548-1188

DR. JOEL SHEINER M.D.

Urology

320 SUPERIOR AVE, SUITE 110
NEWPORT BEACH, CA 92663

Orange County (949) 631-5301

NEWPORT PULMONARY ASSOCIATES

Internal Medicine (Pulmonary Disease)

320 SUPERIOR AVE, SUITE 200
NEWPORT BEACH, CA 92663

Orange County (949) 642-6200

DR. BRITTANY LYNN REIMERS O.D.

Optometrist

320 SUPERIOR AVE, SUIET 390
NEWPORT BEACH, CA 92663

Orange County (949) 631-4780

LAURENCE L. JACOBS, M.D., A.P.C.

Neurological Surgery

320 SUPERIOR AVE, SUITE 310
NEWPORT BEACH, CA 92663

Orange County (949) 642-6320

DEIRDRE A. HABERMEHL, MD, INC.

Clinic/Center (Medical Specialty)

320 SUPERIOR AVE, SUITE 350
NEWPORT BEACH, CA 92663

Orange County (949) 548-6376

ROBERT SCHIFFER, M.D., INC.

Internal Medicine (Gastroenterology)

320 SUPERIOR AVE, SUITE 300
NEWPORT BEACH, CA 92663

Orange County (949) 631-3001

GREGORY C DI ROCCO, M.D., INC.

Specialist

320 SUPERIOR AVE, 230
NEWPORT BEACH, CA 92663

Orange County (949) 547-0292

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 Catherine Koper's NPI number?

The NPI number for Catherine Koper is 1245466929. It was assigned to this individual provider in the NPPES registry on June 8, 2009.

Where is Catherine Koper located?

Catherine Koper practices at 320 Superior Ave Suite 310, Newport Beach, CA 92663. The listed phone number is (949) 515-3590.

What is Catherine Koper's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Catherine Koper enrolled in Medicare?

Yes. Catherine Koper is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Catherine Koper's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Koper reassigns Medicare benefits to Newport Id, Inc. (Newport Beach, 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 Catherine Koper'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 Catherine Koper was last updated on September 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.