DR. DAVID J CALLAHAN MD
NPI 1902992696
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Saint Louis, MO
About Dr. David J Callahan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID J CALLAHAN MD (NPI 1902992696) is an individual neurology with special qualifications in child neurology provider in Saint Louis, Missouri, licensed in Missouri (R6J44) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (1986).
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. David J Callahan 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 David Callahan 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
- 236 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.
Physician 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.
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 David Callahan's NPI number?
The NPI number for David Callahan is 1902992696. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is David Callahan located?
David Callahan practices at 4921 Parkview Pl Div Neurology Pediatrics, Ste 6C, Saint Louis, MO 63110. The listed phone number is (314) 362-1408.
What is David Callahan's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.
Is David Callahan enrolled in Medicare?
Yes. David Callahan 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 David Callahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Callahan 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 David Callahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Callahan accept?
Health plans from Cox HealthPlans and UnitedHealthcare list David Callahan 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 David Callahan was last updated on April 15, 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. David J Callahan, MD · NPI 1902992696
Neurology with Special Qualifications in Child Neurology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1902992696 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology · taxonomy 2084N0402X
- **State license:** R6J44 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4921 PARKVIEW PL, DIV NEUROLOGY PEDIATRICS, STE 6C, Saint Louis, MO 63110-1032
- **Phone:** (314) 362-1408 · **Fax:** (314) 454-2523
## 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 1356382527, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 1986
## Record status
- **NPPES last updated:** April 15, 2025
- **Other identifiers:** Medicaid 200000451 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1902992696) · Data from the CMS NPPES public registry.