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DR. BILL LIANG JOU M.D.
NPI 1285699967
Internal Medicine - Endocrinology, Diabetes & Metabolism in Temecula, CA

Active since April 18, 2006PECOS EnrolledAccepts Medicare Assignment
13.87/100
CMS Quality Rating
31515 RANCHO PUEBLO RD, 205, TEMECULA, CA 92592(951) 676-8118(951) 676-8558 Get Directions Write a Review

NPPES record last updated: December 26, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Bill Liang Jou M.d. NPPES

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

DR. BILL LIANG JOU M.D. (NPI 1285699967) is an individual endocrinology, diabetes & metabolism provider in Temecula, California, licensed in California (A61675) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1995).

NPPES Registry Identity

NPI1285699967
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. BILL LIANG JOUCredential: M.D.
Location Address31515 RANCHO PUEBLO RD, 205Temecula, CA 92592-4836
Mailing AddressPo Box 244Temecula, CA 92593-0244 · (951) 676-8118 · Fax (951) 676-8558
Phone(951) 676-8118
Fax(951) 676-8558
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1995
Enumeration DateApril 18, 2006
Last NPPES UpdateDecember 26, 2016
✔ NPI 1285699967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A61675
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
31515 RANCHO PUEBLO RD, Temecula, CA 92592
Open in Google Maps ↗

Other Identifiers 3

Medicare PINZZZ04364ZCA
Medicare UPINH23796CA
Other00A61675CA · State License

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

Dr. Bill Liang Jou 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 ID7214979475
PECOS Enrollment IDI20050526001087
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 Bill Jou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Bill L. Jou, M.D., Inc.
Same address
Medical Specialty
31515 RANCHO PUEBLO RD, SUITE 2015
Temecula, CA 92592
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Bill L Jou MD Inc
  • 3 clinicians in this Medicare group
NPI 1902957640 (951) 676-8118

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 6

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.
929 services462 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
305 services136 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.
88 services75 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
79 services79 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
41 services12 patients
Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic G2012
A virtual check-in is a short online or phone consultation with your healthcare provider. It's for established patients and isn't related to a recent appointment. It's a convenient way to discuss health concerns without needing to visit the office in person.
26 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92592 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.

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.

13.87/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost46.25

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
8 suppliers65 claims886 services$18.12 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
8 suppliers62 claims2,041 services$2.21 avg. paid by Medicare
Supply allowance for adjunctive continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service A4238
DME-Medical/Surgical Supplies · category DA000N
3 suppliers14 claims14 services$125.20 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
29 suppliers72 claims231 services$6.11 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
10 suppliers25 claims28 services$1.05 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
6 suppliers110 claims110 services$310.72 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

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

DERM CONTACT PLLC
Pharmacy (Community/Retail Pharmacy)
31515 RANCHO PUEBLO RD, SUITE 105
TEMECULA, CA 92592
Riverside County (951) 834-5303
DR. JULIA G KURLAN MD
Dermatology
31515 RANCHO PUEBLO RD, STE 201
TEMECULA, CA 92592
Riverside County (760) 230-2878
PHYSICAL THERAPY OF TEMECULA
Clinic/Center (Physical Therapy)
31515 RANCHO PUEBLO RD, SUITE 101
TEMECULA, CA 92592
Riverside County (951) 281-2901
DR. NEHA BHOJRAJ OD
Optometrist
31515 RANCHO PUEBLO RD, SUITE 103
TEMECULA, CA 92592
Riverside County (951) 303-6111
GREGORY KENT SMITH PT, MOMT, OCS
Physical Therapist
31515 RANCHO PUEBLO RD, STE. 101
TEMECULA, CA 92592
Riverside County (951) 303-1414
ANDREW WILLIAM ATKINS P.T.
Physical Therapist
31515 RANCHO PUEBLO RD, STE. 101
TEMECULA, CA 92592
Riverside County (951) 303-1414
PURVA SUNIL CHHIBAR M.D.
Internal Medicine (Rheumatology)
31515 RANCHO PUEBLO RD
TEMECULA, CA 92592
Riverside County (951) 303-1500
BILL L. JOU, M.D., INC.
Clinic/Center (Medical Specialty)
31515 RANCHO PUEBLO RD, SUITE 2015
TEMECULA, CA 92592
Riverside County (951) 676-8118

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 Bill Jou's NPI number?

The NPI number for Bill Jou is 1285699967. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is Bill Jou located?

Bill Jou practices at 31515 Rancho Pueblo Rd 205, Temecula, CA 92592. The listed phone number is (951) 676-8118.

What is Bill Jou's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Bill Jou enrolled in Medicare?

Yes. Bill Jou 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 organization bills Medicare for Bill Jou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bill Jou reassigns Medicare benefits to Bill L. Jou, M.D., Inc. (Temecula, 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 Bill Jou'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 Bill Jou was last updated on December 26, 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.