KAVOOS CAMERON NAZERI M.D.
NPI 1477731644
Internal Medicine - Rheumatology in Rancho Cucamonga, CA

Q: What is Kavoos Nazeri's NPI number?

The NPI number for Kavoos Nazeri is 1477731644. It was assigned to this individual provider in the NPPES registry on February 9, 2008. The provider is also known as Seyedkavoos Nazeri.

Q: What is Kavoos Nazeri's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Kavoos Nazeri was last updated on February 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 February 09, 2008PECOS EnrolledAccepts Medicare Assignment

9170 HAVEN AVE STE 120, RANCHO CUCAMONGA, CA 91730(909) 466-0550(909) 466-0755 Get Directions Write a Review

NPPES record last updated: February 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 21, 2022, May 6, 2021, Sep 13, 2018 (3 updates tracked since 2018).

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About Kavoos Cameron Nazeri M.d. NPPES

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

KAVOOS CAMERON NAZERI M.D. (NPI 1477731644) is an individual rheumatology provider in Rancho Cucamonga, California, licensed in California (A110017) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1477731644

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameKAVOOS CAMERON NAZERICredential: M.D.

Location Address9170 HAVEN AVE STE 120Rancho Cucamonga, CA 91730-5416

Mailing Address840 Towne Center DrPomona, CA 91767-5900 · (909) 398-1550 · Fax (909) 398-1488

Phone(909) 466-0550

Fax(909) 466-0755

Sole ProprietorNo

Medical School CMSOtherGraduated 2002

Enumeration DateFebruary 9, 2008

Last NPPES UpdateFebruary 21, 20223 updates tracked since enumeration

NPPES CertifiedFebruary 21, 2022

✔ NPI 1477731644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in CA · A110017

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Also ListedInternal MedicineTaxonomy 207R00000X · License A110017 (CA)

9170 HAVEN AVE STE 120, Rancho Cucamonga, CA 91730

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Other Names 1

Other Name (5)Seyedkavoos Nazeri

Other Identifiers 1

OtherCA164176CA · Medicare Pin

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

Kavoos Cameron Nazeri 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 ID9830352087

PECOS Enrollment IDI20120525000156

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

Medicare enrollment records show Kavoos Nazeri reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Chaparral Medical Group, Inc.

Same address

Endocrinology, Diabetes & Metabolism

9170 HAVEN AVE, SUITE 120
Rancho Cucamonga, CA 91730

Reassigned Medicare billing, California enrollment
Also billed through NPI 1639869605 (California)
99 clinicians in this Medicare group

NPI 1376940221 (909) 467-8700

Copa De Oro Medical Group Inc

31 mi

Internal Medicine

12052 IMPERIAL HWY STE 102
Norwalk, CA 90650

Reassigned Medicare billing, California enrollment
7 clinicians in this Medicare group

NPI 1366214413 (310) 404-7171

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

738 services52 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.

205 services104 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

185 services115 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

55 services40 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

33 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91730 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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 4

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

CHAPARRAL MEDICAL GROUP INC

Internal Medicine (Endocrinology, Diabetes & Metabolism)

9170 HAVEN AVE STE 120
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 476-8700

NANCY SI JIA MENG NP-C

Nurse Practitioner (Family)

9170 HAVEN AVE STE 120
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 476-8700

BRIANDA ULLOA

Physician Assistant

9170 HAVEN AVE STE 120
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 476-8700

CHARLAINE IDA WILLIAMSON NP

Nurse Practitioner (Family)

9170 HAVEN AVE STE 120
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 476-8700

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 Kavoos Nazeri's NPI number?

The NPI number for Kavoos Nazeri is 1477731644. It was assigned to this individual provider in the NPPES registry on February 9, 2008. The provider is also known as Seyedkavoos Nazeri.

Where is Kavoos Nazeri located?

Kavoos Nazeri practices at 9170 Haven Ave Ste 120, Rancho Cucamonga, CA 91730. The listed phone number is (909) 466-0550.

What is Kavoos Nazeri's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Kavoos Nazeri enrolled in Medicare?

Yes. Kavoos Nazeri 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 Kavoos Nazeri's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kavoos Nazeri reassigns Medicare benefits to 2 organizations: Chaparral Medical Group, Inc. (Rancho Cucamonga, CA) and Copa De Oro Medical Group Inc (Norwalk, 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 Kavoos Nazeri'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 Kavoos Nazeri was last updated on February 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.