DR. CHAD ALAN WITT MD
NPI 1043336001
Internal Medicine - Pulmonary Disease in Saint Louis, MO
About Dr. Chad Alan Witt Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHAD ALAN WITT MD (NPI 1043336001) is an individual pulmonary disease provider in Saint Louis, Missouri, licensed in Missouri (2007021724) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Kansas Hospital, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Chad Alan Witt 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 Chad Witt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 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 13
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Kansas Hospital
Acute Care Hospitals · Kansas City, KSBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOParkland Health Center
Acute Care Hospitals · Farmington, MOBarnes-Jewish St Peters Hospital
Acute Care Hospitals · Saint Peters, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Referred Medical Equipment & Supplies CMS DME claims 14
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Chad Witt's NPI number?
The NPI number for Chad Witt is 1043336001. It was assigned to this individual provider in the NPPES registry on March 21, 2007.
Where is Chad Witt located?
Chad Witt practices at 4921 Parkview Pl Div Im Cardiology, Ste 8B, Saint Louis, MO 63110. The listed phone number is (314) 362-1291.
What is Chad Witt's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Chad Witt enrolled in Medicare?
Yes. Chad Witt 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 Chad Witt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chad Witt reassigns Medicare benefits to Washington University (Saint Louis, MO). 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 Chad Witt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chad Witt accept?
Health plans from Cox HealthPlans list Chad Witt 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 Chad Witt affiliated with any hospitals?
According to CMS data, Chad Witt is affiliated with University Of Kansas Hospital, Barnes Jewish Hospital, Barnes-Jewish West County Hospital, Parkland Health Center and Barnes-Jewish St Peters Hospital.
When was this NPI record last updated?
The NPPES record for Chad Witt was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Chad Alan Witt, MD · NPI 1043336001
Pulmonary Disease physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since March 21, 2007.
## Identity
- **NPI:** 1043336001 (Entity type: Individual)
- **Enumerated:** March 21, 2007
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 2007021724 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4921 PARKVIEW PL, DIV IM CARDIOLOGY, STE 8B, Saint Louis, MO 63110-1032
- **Phone:** (314) 362-1291 · **Fax:** (314) 362-4278
## 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:** Washington University (NPI 1992746903, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2005
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 204935308 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1043336001) · Data from the CMS NPPES public registry.