CLIFFORD CHENG SUNG M.D.
NPI 1043624877
Internal Medicine - Pulmonary Disease in Seattle, WA

Active since June 19, 2014PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
325 9TH AVE, SEATTLE, WA 98104(206) 520-5000 Get Directions Write a Review

NPPES record last updated: November 15, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 15, 2023, Jun 8, 2023 (2 updates tracked since 2023).

About Clifford Cheng Sung M.d. NPPES

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

CLIFFORD CHENG SUNG M.D. (NPI 1043624877) is an individual pulmonary disease provider in Seattle, Washington, licensed in Washington (MD60944135) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1043624877
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameCLIFFORD CHENG SUNGCredential: M.D.
Location Address325 9TH AVESeattle, WA 98104-2420
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateJune 19, 2014
Last NPPES UpdateNovember 15, 20232 updates tracked since enumeration
NPPES CertifiedNovember 15, 2023
NPI 1043624877 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in WA · MD60944135
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
325 9TH AVE, Seattle, WA 98104

Accepted Insurance

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

Clifford Cheng Sung 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 ID5799099503
PECOS Enrollment IDI20230616000161
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 8

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.

Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
48 services48 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
44 services44 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.
40 services19 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.
32 services20 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
25 services14 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
22 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Harborview Medical Center

Acute Care Hospitals · Seattle, WA
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500064
Location325 9th AvenueSeattle, WA 98104 · King County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

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.

Nurse Practitioner (Acute Care)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE, BOX 359920
SEATTLE, WA 98104
Pharmacist
325 9TH AVE, MAILSTOP 359912
SEATTLE, WA 98104
Social Worker (Clinical)
325 9TH AVE, BOX 359760
SEATTLE, WA 98104
Physician Assistant (Medical)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE
SEATTLE, WA 98104
Internal Medicine (Infectious Disease)
325 9TH AVE
SEATTLE, WA 98104
Occupational Therapist
325 9TH AVE
SEATTLE, WA 98104

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 Clifford Sung's NPI number?

The NPI number for Clifford Sung is 1043624877. It was assigned to this individual provider in the NPPES registry on June 19, 2014.

Where is Clifford Sung located?

Clifford Sung practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 520-5000.

What is Clifford Sung's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Clifford Sung enrolled in Medicare?

Yes. Clifford Sung 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.

What insurance does Clifford Sung accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Clifford Sung 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.

Is Clifford Sung affiliated with any hospitals?

According to CMS data, Clifford Sung is affiliated with University Of Washington Medical Ctr and Harborview Medical Center.

When was this NPI record last updated?

The NPPES record for Clifford Sung was last updated on November 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.