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DR. WALTER QUAN M.D.
NPI 1760479000
Internal Medicine - Hematology & Oncology in Moreno Valley, CA

Active since October 03, 2005PECOS Enrolled
81.9/100
CMS Quality Rating
26520 CACTUS AVE, MORENO VALLEY, CA 92555(909) 558-4910 Get Directions Write a Review

NPPES record last updated: December 12, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 12, 2016, Dec 23, 2015 (2 updates tracked since 2015).

About Dr. Walter Quan M.d. NPPES

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

DR. WALTER QUAN M.D. (NPI 1760479000) is an individual hematology & oncology provider in Moreno Valley, California, licensed in California (74451) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760479000
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. WALTER QUANCredential: M.D.
Location Address26520 CACTUS AVEMoreno Valley, CA 92555-3927
Mailing Address11175 Campus St, Csp 11015Loma Linda, CA 92350-1700 · (909) 558-4910
Phone(909) 558-4910
Sole ProprietorNo
Enumeration DateOctober 3, 2005
Last NPPES UpdateDecember 12, 20162 updates tracked since enumeration
✔ NPI 1760479000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in CA · 74451✔ Licensed in OH · 35056028
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
26520 CACTUS AVE, Moreno Valley, CA 92555
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Other Identifiers 2

Medicare UPINF59764
Medicaid0924674OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Walter Quan 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 Walter Quan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Florida Jacksonville Physicians Inc
2,087 mi
Nephrology
655 W 8TH ST, UFJP NEPHROLOGY
Jacksonville, FL 32209
  • Reassigned Medicare billing, Florida enrollment
  • 1,456 clinicians in this Medicare group
NPI 1295995561 (904) 244-3660

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 4

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.

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.
90 services49 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.
49 services30 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.
24 services24 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
21 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92555 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
$179.42 typical visit price
range $59.60 – $179.42
Typical copayment $44.85 (range $14.90 – $44.85)
Most-billed visit code 99205
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.

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.

81.9/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.43
Promoting Interoperability100
Improvement Activities40
Cost59.59

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.

MARINA BOYARSKY M.D.
Student in an Organized Health Care Education/Training Program
26520 CACTUS AVE, FAMILY MEDICINE RESIDENCY PROGRAM
MORENO VALLEY, CA 92555
Riverside County (951) 486-5611
DR. THU KIEU NGUYEN HUYNH PHARM.D.
Pharmacist
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4613
ASHA PATEL RAJ DO
Family Medicine
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (714) 904-8341
COUNTY OF RIVERSIDE
Clinic/Center (Primary Care)
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4000
MERETT W SAAD DO
Student in an Organized Health Care Education/Training Program
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4000
GRACE SHINN
Pharmacist (Emergency Medicine)
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4000
NOLAN S LANGFORD
Student in an Organized Health Care Education/Training Program
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-5434
DR. MY NGUYEN D.O.
Pediatrics
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4000

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 Walter Quan's NPI number?

The NPI number for Walter Quan is 1760479000. It was assigned to this individual provider in the NPPES registry on October 3, 2005.

Where is Walter Quan located?

Walter Quan practices at 26520 Cactus Ave, Moreno Valley, CA 92555. The listed phone number is (909) 558-4910.

What is Walter Quan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Walter Quan enrolled in Medicare?

Yes. Walter Quan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Walter Quan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Walter Quan reassigns Medicare benefits to University Of Florida Jacksonville Physicians Inc (Jacksonville, FL). 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 Walter Quan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Walter Quan accept?

Health plans from Oscar Health Maintenance Organization of Florida list Walter Quan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Walter Quan was last updated on December 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.