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TAMMY THERESA TRAN-YANG D.O.
NPI 1578856530
Internal Medicine - Gastroenterology in Grand Rapids, MI

Active since May 25, 2011PECOS EnrolledAccepts Medicare Assignment
310 LAFAYETTE AVE SE STE 200, GRAND RAPIDS, MI 49503(616) 752-6525 Get Directions Write a Review

NPPES record last updated: March 12, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Dec 1, 2017 and 2 more (5 updates tracked since 2017).

About Tammy Theresa Tran-yang D.o. NPPES

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

TAMMY THERESA TRAN-YANG D.O. (NPI 1578856530) is an individual gastroenterology provider in Grand Rapids, Michigan, licensed in Michigan (5101019188) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Mercy Health Saint Mary's, and is a graduate of Michigan State University College Of Osteopathic Medicine (2011).

NPPES Registry Identity

NPI1578856530
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameTAMMY THERESA TRAN-YANGCredential: D.O.
Location Address310 LAFAYETTE AVE SE STE 200Grand Rapids, MI 49503-4693
Mailing Address5900 Byron Center Ave Sw, Medical AdministrationWyoming, MI 49519-9606 · (616) 252-3243 · Fax (616) 252-0260
Phone(616) 752-6525
Sole ProprietorYes
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2011
Enumeration DateMay 25, 2011
Last NPPES UpdateMarch 12, 20245 updates tracked since enumeration
NPPES CertifiedMarch 12, 2024
✔ NPI 1578856530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MI · 5101019188
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
310 LAFAYETTE AVE SE STE 200, Grand Rapids, MI 49503
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and more.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

Tammy Theresa Tran-yang D.o. 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 ID9830460740
PECOS Enrollment IDI20170810000575
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

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
21 services21 patients

Hospital Affiliations CMS Care Compare

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

Mercy Health Saint Mary's

Acute Care Hospitals · Grand Rapids, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230059
Location200 Jefferson Avenue SEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 Tammy Tran-yang's NPI number?

The NPI number for Tammy Tran-yang is 1578856530. It was assigned to this individual provider in the NPPES registry on May 25, 2011.

Where is Tammy Tran-yang located?

Tammy Tran-yang practices at 310 Lafayette Ave SE Ste 200, Grand Rapids, MI 49503. The listed phone number is (616) 752-6525.

What is Tammy Tran-yang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Tammy Tran-yang enrolled in Medicare?

Yes. Tammy Tran-yang 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 Tammy Tran-yang accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and Priority Health list Tammy Tran-yang 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 Tammy Tran-yang affiliated with any hospitals?

According to CMS data, Tammy Tran-yang is affiliated with Mercy Health Saint Mary's.

When was this NPI record last updated?

The NPPES record for Tammy Tran-yang was last updated on March 12, 2024. 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.