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GRACE SUN DO
NPI 1831385095
Internal Medicine - Endocrinology, Diabetes & Metabolism in Minneapolis, MN

Active since September 21, 2007PECOS Enrolled
9513 AMERIPRISE FINANCIAL CENTER ROUTING: S-11-09513, MINNEAPOLIS, MN 55474(612) 678-1763 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 4, 2026, Feb 4, 2022 (2 updates tracked since 2022).

About Grace Sun Do NPPES

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

GRACE SUN DO (NPI 1831385095) is an individual endocrinology, diabetes & metabolism provider in Minneapolis, Minnesota, licensed in Louisiana (000298) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831385095
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameGRACE SUNCredential: DO
Location Address9513 AMERIPRISE FINANCIAL CENTER ROUTING: S-11-09513Minneapolis, MN 55474-0001
Mailing Address9513 Ameriprise Financial Center Routing: S-11-09513Minneapolis, MN 55474-0001 · (612) 678-1763
Phone(612) 678-1763
Sole ProprietorNo
Enumeration DateSeptember 21, 2007
Last NPPES UpdateMarch 4, 20262 updates tracked since enumeration
NPPES CertifiedMarch 4, 2026
✔ NPI 1831385095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in LA · 000298
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 000298 (LA)
9513 AMERIPRISE FINANCIAL CENTER ROUTING: S-11-09513, Minneapolis, MN 55474
Open in Google Maps ↗

Other Identifiers 1

Medicaid2301403LA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grace Sun Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Grace Sun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sapphire At Gresham Rehab, LLC
1,405 mi
Skilled Nursing Facility
405 NE 5TH ST
Gresham, OR 97030
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
  • Also billed through NPI 1609171081 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1033740899 (503) 666-5600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55474 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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.

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 Grace Sun's NPI number?

The NPI number for Grace Sun is 1831385095. It was assigned to this individual provider in the NPPES registry on September 21, 2007.

Where is Grace Sun located?

Grace Sun practices at 9513 Ameriprise Financial Center Routing: S-11-09513, Minneapolis, MN 55474. The listed phone number is (612) 678-1763.

What is Grace Sun's specialty?

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

Is Grace Sun enrolled in Medicare?

Yes. Grace Sun is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Grace Sun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grace Sun reassigns Medicare benefits to Sapphire At Gresham Rehab, LLC (Gresham, OR). 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 Grace Sun'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 Grace Sun was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.