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CHANG S JOO MD
NPI 1508868787
Internal Medicine - Nephrology in Modesto, CA

Active since June 01, 2005PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
305 E GRANGER AVE, STE 202, MODESTO, CA 95350(209) 526-1606(209) 526-1677 Get Directions Write a Review

NPPES record last updated: February 22, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Chang S Joo Md NPPES

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

CHANG S JOO MD (NPI 1508868787) is an individual nephrology provider in Modesto, California, licensed in California (A481920) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1508868787
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameCHANG S JOOCredential: MD
Location Address305 E GRANGER AVE, STE 202Modesto, CA 95350-4344
Mailing Address305 E Granger Ave, Ste 202Modesto, CA 95350-4344 · (209) 526-1606 · Fax (209) 526-1677
Phone(209) 526-1606
Fax(209) 526-1677
Sole ProprietorNo
Medical School CMSOtherGraduated 1980
Enumeration DateJune 1, 2005
Last NPPES UpdateFebruary 22, 2008
✔ NPI 1508868787 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · A481920
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
305 E GRANGER AVE, Modesto, CA 95350
Open in Google Maps ↗

Other Identifiers 3

Medicaid00A481920CA
Medicare PIN00A481922CA
Medicare UPINF86579CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Chang S Joo Md 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 ID6507832201
PECOS Enrollment IDI20040908000852
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.

Areas of Expertise CMS Part B claims 11

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.
374 services226 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.
238 services116 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
190 services24 patients
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.
163 services90 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
117 services21 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.
66 services52 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95350 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.33
Improvement Activities40

Reported Quality Measures

Advance Care Plan
100%2,064 patients5/55-star benchmark: 100%
Closing the Referral Loop: Receipt of Specialist Report
100%87 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
97%2,247 patients4/55-star benchmark: 100%
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.

Referred Medical Equipment & Supplies CMS DME claims 5

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers33 claims2,145 services$0.30 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers14 claims2,100 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers36 claims5,880 services$0.19 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
5 suppliers33 claims33 services$18.79 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
4 suppliers50 claims50 services$11.63 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 5

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

MODESTO KIDNEY CENTER, INC.
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
305 E GRANGER AVE
MODESTO, CA 95350
Stanislaus County (209) 574-6800
MODESTO KIDNEY MEDICAL GROUP
Internal Medicine (Nephrology)
305 E GRANGER AVE, STE 202
MODESTO, CA 95350
Stanislaus County (209) 526-1606
KENNETH K LIU MD
Internal Medicine (Nephrology)
305 E GRANGER AVE, STE 202
MODESTO, CA 95350
Stanislaus County (209) 526-1606
KRIENGSAK ITSARA MD
Internal Medicine (Nephrology)
305 E GRANGER AVE, STE 202
MODESTO, CA 95350
Stanislaus County (206) 526-1606
TONG SUN MD
Internal Medicine (Nephrology)
305 E GRANGER AVE, STE 202
MODESTO, CA 95350
Stanislaus County (209) 526-1606

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 Chang Joo's NPI number?

The NPI number for Chang Joo is 1508868787. It was assigned to this individual provider in the NPPES registry on June 1, 2005.

Where is Chang Joo located?

Chang Joo practices at 305 E Granger Ave Ste 202, Modesto, CA 95350. The listed phone number is (209) 526-1606.

What is Chang Joo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Chang Joo enrolled in Medicare?

Yes. Chang Joo 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.

When was this NPI record last updated?

The NPPES record for Chang Joo was last updated on February 22, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.