TONG SUN MD
NPI 1629161336
Internal Medicine - Nephrology in Modesto, CA

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.

Active since October 02, 2006PECOS 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: July 19, 2026.

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About Tong Sun Md NPPES

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

TONG SUN MD (NPI 1629161336) is an individual nephrology provider in Modesto, California, licensed in California (A97313) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1629161336

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameTONG SUNCredential: MD

Location Address305 E GRANGER AVE, STE 202Modesto, CA 95350-4345

Mailing Address305 E Granger Ave, Ste 202Modesto, CA 95350-4345 · (209) 526-1606 · Fax (209) 526-1677

Phone(209) 526-1606

Fax(209) 526-1677

Sole ProprietorNo

Medical School CMSOtherGraduated 1991

Enumeration DateOctober 2, 2006

Last NPPES UpdateFebruary 22, 2008

✔ NPI 1629161336 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 · A97313

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

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Other Identifiers 3

Medicare PIN00A973130CA

Medicare UPINI70298CA

Medicaid00A973130CA

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

Tong Sun 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 ID9133223746

PECOS Enrollment IDI20070409000166

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 14

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Follow-up hospital inpatient care per day, typically 25 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.

650 services151 patients

Follow-up hospital inpatient care per day, typically 35 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.

394 services140 patients

Established patient office or other outpatient visit, 30-39 minutes 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.

376 services211 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.

322 services47 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.

110 services38 patients

Established patient office or other outpatient visit, 40-54 minutes 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.

103 services77 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

89 services11 patients

Initial hospital inpatient care per day, typically 70 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

89 services73 patients

Dialysis services, 1 physician visit per month (20 years or older) 90962

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 canâ€™t do their job. A physician visit once a month ensures your treatment is working effectively and adjusts it if necessary. This service is available for individuals aged 20 years and older.

51 services17 patients

New patient office or other outpatient visit, 60-74 minutes 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.

51 services51 patients

Manual urinalysis test with examination using microscope, non-automated 81000

A manual urinalysis test involves studying a urine sample under a microscope. This non-automated method helps identify any abnormal substances present. It's a useful tool for detecting potential health concerns early. The process is simple and non-invasive.

36 services36 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

25 services24 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

21 services18 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

19 services19 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

Quality

93.33

Improvement Activities

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

99%108 patients4/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%112 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

95%1,143 patients4/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

1%97 patients1/55-star benchmark: 98%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

100%1,046 patients5/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

10%539 patients1/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

63%539 patients3/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

0%539 patients1/55-star benchmark: 79%

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

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

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

1 supplier11 claims11 services$9.65 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.

KRIENGSAK ITSARA MD

Internal Medicine (Nephrology)

305 E GRANGER AVE, STE 202
MODESTO, CA 95350

Stanislaus County (206) 526-1606

CHANG S JOO MD

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

MODESTO KIDNEY MEDICAL GROUP

Internal Medicine (Nephrology)

305 E GRANGER AVE, STE 202
MODESTO, CA 95350

Stanislaus County (209) 526-1606

MODESTO KIDNEY CENTER, INC.

Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)

305 E GRANGER AVE
MODESTO, CA 95350

Stanislaus County (209) 574-6800

TONG SUN MD
NPI 1629161336
Internal Medicine - Nephrology in Modesto, CA

About Tong Sun Md NPPES

NPPES Registry Identity

Specialties & Licenses

Other Identifiers 3

Medicare Participation & PECOS CMS

Medicare Enrollment Status

Areas of Expertise CMS Part B claims 14

Physician Visit Costs CMS claims · ZIP area

Medicare Quality Performance CMS QPP · MIPS

Reported Quality Measures

Referred Medical Equipment & Supplies CMS DME claims

Other Providers at the Same Location NPPES 5

Frequently Asked Questions

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