TRASSANEE CHATMETHAKUL M.D.
NPI 1861861775
Pediatrics - Neonatal-Perinatal Medicine in Iowa City, IA

Active since September 21, 2015PECOS Enrolled
200 HAWKINS DR, IOWA CITY, IA 52242(319) 384-5258(319) 356-4685 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 9, 2018, Jul 8, 2018 (2 updates tracked since 2018).

About Trassanee Chatmethakul M.d. NPPES

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

TRASSANEE CHATMETHAKUL M.D. (NPI 1861861775) is an individual neonatal-perinatal medicine provider in Iowa City, Iowa, licensed in Iowa (MD-45042) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1861861775
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameTRASSANEE CHATMETHAKULCredential: M.D.
Location Address200 HAWKINS DRIowa City, IA 52242-1009
Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 384-5258 · Fax (319) 356-4685
Fax(319) 356-4685
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateSeptember 21, 2015
Last NPPES UpdateSeptember 29, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2025
✔ NPI 1861861775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in IA · MD-45042
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License MD-45042 (IA)
200 HAWKINS DR, Iowa City, IA 52242

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Trassanee Chatmethakul M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1254620842
PECOS Enrollment IDI20251006002959
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

2

Medicare enrollment records show Trassanee Chatmethakul reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dentist
200 HAWKINS DRIVE, 51300 POMERANTZ FAMILY PAVILION
Iowa City, IA 52242
  • Reassigned Medicare billing, Iowa enrollment
  • 2,190 clinicians in this Medicare group
Multi-Specialty
1200 CHILDRENS AVE STE 11200
Oklahoma City, OK 73104
  • Reassigned Medicare billing, Oklahoma enrollment
  • 1,795 clinicians in this Medicare group

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

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.

Emergency Medicine
200 HAWKINS DR
IOWA CITY, IA 52242
Internal Medicine (Gastroenterology)
200 HAWKINS DR
IOWA CITY, IA 52242
Internal Medicine (Hematology & Oncology)
200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242
Internal Medicine (Critical Care Medicine)
200 HAWKINS DR
IOWA CITY, IA 52242
Chronic Disease Hospital
200 HAWKINS DR
IOWA CITY, IA 52242
Genetic Counselor, MS
200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242
Obstetrics & Gynecology
200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242
Health Educator
200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242

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 Trassanee Chatmethakul's NPI number?

The NPI number for Trassanee Chatmethakul is 1861861775. It was assigned to this individual provider in the NPPES registry on September 21, 2015.

Where is Trassanee Chatmethakul located?

Trassanee Chatmethakul practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 384-5258.

What is Trassanee Chatmethakul's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Trassanee Chatmethakul enrolled in Medicare?

Yes. Trassanee Chatmethakul is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Trassanee Chatmethakul's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Trassanee Chatmethakul reassigns Medicare benefits to 2 organizations: State University Of Iowa (Iowa City, IA) and Ou Health Partners, Inc (Oklahoma City, OK). 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 Trassanee Chatmethakul's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Trassanee Chatmethakul accept?

Health plans from Oscar Insurance Company, Sanford Health Plan and Wellmark Health Plan of Iowa, Inc. list Trassanee Chatmethakul 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.

When was this NPI record last updated?

The NPPES record for Trassanee Chatmethakul was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.