DR. GRETA TAN GO MD
NPI 1578540480
Radiology - Pediatric Radiology in Lynnwood, WA

Q: What is Greta Go's NPI number?

The NPI number for Greta Go is 1578540480. It was assigned to this individual provider in the NPPES registry on December 30, 2005.

Q: Where is Greta Go located?

Greta Go practices at 19020 33rd Ave W Ste 210, Lynnwood, WA 98036. The listed phone number is (425) 563-1500.

Q: What is Greta Go's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.

Q: Is Greta Go enrolled in Medicare?

Yes. Greta Go 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.

Q: Which organizations bill Medicare for Greta Go's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greta Go reassigns Medicare benefits to 15 organizations: Radia Inc P S (Lynnwood, WA), Proliance Surgeons, Inc., P.S. (Mountlake Terrace, WA), Swedish Radia Imaging Center At Edmonds LLC (Edmonds, WA), Swedish Health Services (Edmonds, WA), Swedish Health Services (Everett, WA) and 10 more organizations, listed in the Medicare section above. Each 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 Greta Go's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Q: What insurance does Greta Go accept?

Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Greta Go 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.

Q: Is Greta Go affiliated with any hospitals?

According to CMS data, Greta Go is affiliated with Providence Regional Medical Center Everett, Confluence Health Hospital, Swedish Medical Center / Cherry Hill, Peacehealth Southwest Medical Center and Evergreenhealth Medical Center.

Q: When was this NPI record last updated?

The NPPES record for Greta Go was last updated on July 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since December 30, 2005PECOS EnrolledAccepts Medicare Assignment

19020 33RD AVE W STE 210, LYNNWOOD, WA 98036(425) 563-1500(425) 563-1501 Get Directions Write a Review

NPPES record last updated: July 29, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 29, 2019, Jan 24, 2019 (2 updates tracked since 2019).

On this page

About Dr. Greta Tan Go Md NPPES

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

DR. GRETA TAN GO MD (NPI 1578540480) is an individual pediatric radiology provider in Lynnwood, Washington, licensed in Washington (MD00038515) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and is a graduate of Georgetown University School Of Medicine (1987).

NPPES Registry Identity

NPI1578540480

Entity TypeIndividualFemale

Primary Taxonomy2085P0229X

Provider Legal NameDR. GRETA TAN GOCredential: MD

Location Address19020 33RD AVE W STE 210Lynnwood, WA 98036-4748

Mailing Address19020 33rd Ave W Ste 210Lynnwood, WA 98036-4748 · (425) 563-1500 · Fax (425) 563-1374

Phone(425) 563-1500

Fax(425) 563-1501

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 1987

Enumeration DateDecember 30, 2005

Last NPPES UpdateJuly 29, 20192 updates tracked since enumeration

✔ NPI 1578540480 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Pediatric RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085P0229X

Licenses✔ Licensed in WA · MD00038515✔ Licensed in ID · M-12399

Definition

A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License M-12399 (ID), MD00038515 (WA)

19020 33RD AVE W STE 210, Lynnwood, WA 98036

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Other Identifiers 7

Medicaid8254997WA

Other135883WA · Lni Provider Id

Other164154WA · L&i Provider Number

Other213704WA · Lni Provider Id

Medicaid1578540480ID

Other204103WA · Lni Provider Id

Other139425WA · L&i Provider Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska.Insurance ›

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. Greta Tan Go 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 ID7719884493

PECOS Enrollment IDI20050324000947, I20141124001941

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 Reassignments

Medicare enrollment records show Greta Go reassigns Medicare billing to 15 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Radia Inc P S

Same address

Diagnostic Radiology

19020 33RD AVE W, SUITE 210
Lynnwood, WA 98036

Reassigned Medicare billing, Idaho and Washington enrollments
Also billed through NPI 1700045572 (Washington)
49 clinicians in this Medicare group

NPI 1932196607 (425) 563-1500

Proliance Surgeons, Inc., P.S.

2.8 mi

Magnetic Resonance Imaging (MRI)

6808 220TH ST SW STE 105
Mountlake Terrace, WA 98043

Reassigned Medicare billing, Washington enrollment
589 clinicians in this Medicare group

NPI 1184140477 (425) 967-6490

Swedish Radia Imaging Center At Edmonds LLC

2.9 mi

Diagnostic Radiology

21700 HIGHWAY 99
Edmonds, WA 98026

Reassigned Medicare billing, Washington enrollment
200 clinicians in this Medicare group

NPI 1164494373 (425) 640-4949

Swedish Health Services

3.1 mi

Cardiovascular Disease

21616 76TH AVE W, STE 212
Edmonds, WA 98026

Reassigned Medicare billing, Washington enrollment
76 clinicians in this Medicare group

NPI 1659328177 (425) 776-6999

Swedish Health Services

4.2 mi

Body Imaging

13020 MERIDIAN AVE S
Everett, WA 98208

Reassigned Medicare billing, Washington enrollment
194 clinicians in this Medicare group

NPI 1114356904 (425) 357-3960

Evergreen Radia LLC

8.8 mi

Diagnostic Radiology

11521 NE 128TH ST, SUITE 200
Kirkland, WA 98034

Reassigned Medicare billing, Washington enrollment
196 clinicians in this Medicare group

NPI 1922095694 (425) 952-6100

Swedish Health Services

15 mi

Family Medicine

1600 7TH AVE STE 110
Seattle, WA 98101

Reassigned Medicare billing, Washington enrollment
663 clinicians in this Medicare group

NPI 1073553947 (206) 267-4390

Obstetrix Medical Group Of Washington Inc Ps

15 mi

Maternal & Fetal Medicine

1229 MADISON ST STE 750
Seattle, WA 98104

Reassigned Medicare billing, Washington enrollment
129 clinicians in this Medicare group

NPI 1861599573 (206) 386-2101

Radia Imaging Center Holdings LLC

15 mi

Diagnostic Radiology

1229 MADISON ST STE 900
Seattle, WA 98104

Reassigned Medicare billing, Washington enrollment
204 clinicians in this Medicare group

NPI 1639653017 (206) 292-6233

Swedish Health Services

15 mi

Internal Medicine

800 5TH AVE, STE 600
Seattle, WA 98104

Reassigned Medicare billing, Washington enrollment
1,270 clinicians in this Medicare group

NPI 1689612954 (206) 320-2700

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 41

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.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

597 services573 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

132 services128 patients

X-ray of chest, 2 views 71046

116 services113 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

109 services108 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

96 services96 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

68 services67 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

66 services66 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

56 services50 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

49 services48 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

48 services48 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

47 services47 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

44 services43 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

43 services43 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

39 services39 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

38 services38 patients

X-ray of foot, minimum of 3 views 73630

30 services29 patients

X-ray of hip, 2-3 views 73502

28 services28 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

28 services26 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

26 services26 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

26 services26 patients

X-ray of shoulder, minimum of 2 views 73030

23 services23 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

22 services22 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

22 services21 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

22 services21 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

21 services21 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

20 services20 patients

X-ray of hand, minimum of 3 views 73130

20 services18 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

20 services20 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

19 services19 patients

X-ray of knee, 3 views 73562

18 services18 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

18 services18 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

18 services18 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

17 services17 patients

X-ray of ankle, minimum of 3 views 73610

17 services17 patients

Ultrasound scan of head and neck soft tissue 76536

17 services17 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

17 services17 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

16 services16 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

16 services16 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

14 services14 patients

X-ray of wrist, minimum of 3 views 73110

13 services13 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Providence Regional Medical Center Everett

Acute Care Hospitals · Everett, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500014

Location1321 Colby AvenueEverett, WA 98201 · Snohomish County

Emergency services Birthing friendly

Confluence Health Hospital

Acute Care Hospitals · Wenatchee, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500016

Location1201 S Miller StreetWenatchee, WA 98807 · Chelan County

Emergency services Birthing friendly

Swedish Medical Center / Cherry Hill

Acute Care Hospitals · Seattle, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500025

Location500 17th AvenueSeattle, WA 98122 · King County

Emergency services

Peacehealth Southwest Medical Center

Acute Care Hospitals · Vancouver, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500050

Location400 NE Mother Joseph PlaceVancouver, WA 98668 · Clark County

Emergency services Birthing friendly

Evergreenhealth Medical Center

Acute Care Hospitals · Kirkland, WA

5/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500124

Location12040 NE 128th StreetKirkland, WA 98034 · King County

Emergency services Birthing friendly

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.

Reported Quality Measures

Appropriate Follow-up Imaging for Incidental Abdominal Lesions

Percentage of final reports for abdominal imaging studies for asymptomatic patients aged 18 years and older with one or more of the following noted incidentally with follow_up imaging recommended: - Liver lesion =< 0.5 cm - Cystic kidney lesion < 1.0 cm -…

Lower rates are better for this measure.

0%21 patients

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%347 patients

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.

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.

DR. MICHAEL LARSON M.D.

Radiology (Vascular & Interventional Radiology)