THADDEUS C BARTTER MD
NPI 1134217441
Internal Medicine - Pulmonary Disease in Little Rock, AR
About Thaddeus C Bartter Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THADDEUS C BARTTER MD (NPI 1134217441) is an individual pulmonary disease provider in Little Rock, Arkansas, licensed in Arkansas (E-5847) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1980).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 16
Accepted 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
Thaddeus C Bartter 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.
Medicare Billing Reassignment
Medicare enrollment records show Thaddeus Bartter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 2,038 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.
Areas of Expertise CMS Part B claims 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
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 Thaddeus Bartter's NPI number?
The NPI number for Thaddeus Bartter is 1134217441. It was assigned to this individual provider in the NPPES registry on October 11, 2006.
Where is Thaddeus Bartter located?
Thaddeus Bartter practices at 4301 W Markham St # 555, Little Rock, AR 72205. The listed phone number is (501) 686-8000.
What is Thaddeus Bartter's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Thaddeus Bartter enrolled in Medicare?
Yes. Thaddeus Bartter 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.
Which organization bills Medicare for Thaddeus Bartter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thaddeus Bartter reassigns Medicare benefits to University Of Arkansas For Medical Sciences (Little Rock, AR). 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 Thaddeus Bartter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thaddeus Bartter accept?
Health plans from Health Advantage, Octave and Oscar Health list Thaddeus Bartter 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 Thaddeus Bartter was last updated on February 23, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Thaddeus C Bartter, MD · NPI 1134217441
Pulmonary Disease physician in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since October 11, 2006.
## Identity
- **NPI:** 1134217441 (Entity type: Individual)
- **Enumerated:** October 11, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** E-5847 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4301 W MARKHAM ST # 555, Little Rock, AR 72205-7101
- **Phone:** (501) 686-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Arkansas For Medical Sciences (NPI 1043372220, Little Rock, AR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 1980
## Record status
- **NPPES last updated:** February 23, 2009
- **Other identifiers:** Other 0255871000; Other 3903171; Other P440699; and 13 more
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Source: [NPI Profile](https://npiprofile.com/npi/1134217441) · Data from the CMS NPPES public registry.