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BONNIE J GAINER M.D.
NPI 1972592319
Internal Medicine - Cardiovascular Disease in Newport Beach, CA

Active since October 18, 2005PECOS Enrolled
71.82/100
CMS Quality Rating
415 OLD NEWPORT BLVD, SUITE 200, NEWPORT BEACH, CA 92663(949) 548-9611(949) 548-9958 Get Directions Write a Review

NPPES record last updated: February 18, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Bonnie J Gainer M.d. NPPES

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

BONNIE J GAINER M.D. (NPI 1972592319) is an individual cardiovascular disease provider in Newport Beach, California, licensed in California (G55764) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972592319
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameBONNIE J GAINERCredential: M.D.
Location Address415 OLD NEWPORT BLVD, SUITE 200Newport Beach, CA 92663-4248
Mailing Address415 Old Newport Blvd, Suite 200Newport Beach, CA 92663-4248 · (949) 548-9611 · Fax (949) 548-9958
Phone(949) 548-9611
Fax(949) 548-9958
Sole ProprietorNo
Enumeration DateOctober 18, 2005
Last NPPES UpdateFebruary 18, 2020
✔ NPI 1972592319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · G55764
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedSpecialistTaxonomy 174400000X · License G55764 (CA)
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License G55764 (CA)
415 OLD NEWPORT BLVD, Newport Beach, CA 92663
Open in Google Maps ↗

Other Identifiers 1

MedicaidGR00750606CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Bonnie J Gainer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Newport Heart Medical Group Inc
Same address
Specialist
415 OLD NEWPORT BLVD, # 200
Newport Beach, CA 92663
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
NPI 1811986268 (949) 548-9611

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

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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

71.82/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.8
Improvement Activities40
Cost47.66

Reported Quality Measures

Medication Reconciliation Post-Discharge
The percentage of discharges from any inpatient facility (e.g. hospital, skilled nursing facility, or rehabilitation facility) for patients 18 years and older of age seen within 30 days following discharge in the office by the physician, prescribing…
Patients 65+: 100% · 50 patients
100%51 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 11

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

TEJINDER M KALRA, MD
Internal Medicine (Gastroenterology)
415 OLD NEWPORT BLVD, STE 102
NEWPORT BEACH, CA 92663
Orange County (949) 645-1967
DR. CATALIN GABRIEL MARINESCU M.D.
Obstetrics & Gynecology
415 OLD NEWPORT BLVD, SUITE 100
NEWPORT BEACH, CA 92663
Orange County (312) 890-3864
CATALIN MARINESCU M.D. INC.
Obstetrics & Gynecology
415 OLD NEWPORT BLVD, SUITE 100
NEWPORT BEACH, CA 92663
Orange County (312) 890-3864
DESMOND D LEVIN M.D.
Internal Medicine (Cardiovascular Disease)
415 OLD NEWPORT BLVD, SUITE 200
NEWPORT BEACH, CA 92663
Orange County (949) 548-9611
MRS. JEAN NEPOMUCENO CARLOS NP
Nurse Practitioner (Acute Care)
415 OLD NEWPORT BLVD, SUITE 200
NEWPORT BEACH, CA 92663
Orange County (949) 548-9611
NEWPORT HEART MEDICAL GROUP INC
Specialist
415 OLD NEWPORT BLVD, # 200
NEWPORT BEACH, CA 92663
Orange County (949) 548-9611
ROSH OB-GYN ULTRASOUND OF CA P.C.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
415 OLD NEWPORT BLVD, SUITE 100
NEWPORT BEACH, CA 92663
Orange County (949) 642-3606
CAREY L O'BRYAN IV M.D.
Internal Medicine (Cardiovascular Disease)
415 OLD NEWPORT BLVD, SUITE 200
NEWPORT BEACH, CA 92663
Orange County (949) 548-9611

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 Bonnie Gainer's NPI number?

The NPI number for Bonnie Gainer is 1972592319. It was assigned to this individual provider in the NPPES registry on October 18, 2005.

Where is Bonnie Gainer located?

Bonnie Gainer practices at 415 Old Newport Blvd Suite 200, Newport Beach, CA 92663. The listed phone number is (949) 548-9611.

What is Bonnie Gainer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Bonnie Gainer enrolled in Medicare?

Yes. Bonnie Gainer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Bonnie Gainer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bonnie Gainer reassigns Medicare benefits to Newport Heart Medical Group 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 Bonnie Gainer'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 Bonnie Gainer was last updated on February 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.