MARSHA SIEBENMORGEN PHD, LP
NPI 1649670415
Psychologist - Clinical Child & Adolescent in Dallas, TX

Q: What is Marsha Siebenmorgen's NPI number?

The NPI number for Marsha Siebenmorgen is 1649670415. It was assigned to this individual provider in the NPPES registry on August 29, 2014.

Q: What is Marsha Siebenmorgen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Active since August 29, 2014PECOS Enrolled

2222 MEDICAL DISTRICT DR, DALLAS, TX 75235(214) 867-6923 Get Directions Write a Review

NPPES record last updated: March 12, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Marsha Siebenmorgen Phd, Lp NPPES

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

MARSHA SIEBENMORGEN PHD, LP (NPI 1649670415) is an individual clinical child & adolescent provider in Dallas, Texas, licensed in Texas (37734) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649670415

Entity TypeIndividualFemale

Primary Taxonomy103TC2200X

Provider Legal NameMARSHA SIEBENMORGENCredential: PHD, LP

Location Address2222 MEDICAL DISTRICT DRDallas, TX 75235-8075

Mailing Address2801 N Rock Rd, #1608Wichita, KS 67226-1192 · (918) 293-2646

Phone(214) 867-6923

Sole ProprietorNo

Enumeration DateAugust 29, 2014

Last NPPES UpdateMarch 12, 2018

✔ NPI 1649670415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers

Taxonomy Code103TC2200X

License✔ Licensed in TX · 37734

Definition

A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.

Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 2567 (KS)

2222 MEDICAL DISTRICT DR, Dallas, TX 75235

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marsha Siebenmorgen Phd, Lp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Marsha Siebenmorgen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Health System Of Texas

0.4 mi

Children

1935 MEDICAL DISTRICT DR
Dallas, TX 75235

Reassigned Medicare billing, Texas enrollment
157 clinicians in this Medicare group

NPI 1194743013 (214) 456-1900

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 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BRADY DUBOSE PT, DPT

Physical Therapist (Pediatrics)