Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHELSEY BAYER ORTMAN MD
NPI 1144578485
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in San Antonio, TX

Active since August 16, 2012PECOS Enrolled
2915 W BITTERS RD STE 201, SAN ANTONIO, TX 78248(210) 598-2800(210) 598-4236 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 14, 2026, Aug 6, 2026, Nov 8, 2023 and 1 more (4 updates tracked since 2020).

About Chelsey Bayer Ortman Md NPPES

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

CHELSEY BAYER ORTMAN MD (NPI 1144578485) is an individual neurology with special qualifications in child neurology provider in San Antonio, Texas, licensed in Texas (T0121) and active in the NPI registry since August 2012. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chesterfield.

NPPES Registry Identity

NPI1144578485
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameCHELSEY BAYER ORTMANCredential: MD
Location Address2915 W BITTERS RD STE 201San Antonio, TX 78248-2007
Mailing Address4910 Mueller Blvd Ste 300Austin, TX 78723-3079 · (512) 628-1855
Fax(210) 598-4236
Sole ProprietorNo
Enumeration DateAugust 16, 2012
Last NPPES UpdateAugust 14, 20264 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
NPI 1144578485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
Licenses Licensed in TX · T0121 Licensed in MO · 2500116579
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
2915 W BITTERS RD STE 201, San Antonio, TX 78248

Other Names 1

Former Name (1)Chelsey Elizabeth Bayer Md

Secondary Practice Location 1

Location 115740 S Outer 40 RdChesterfield, MO 63017-2004 · Phone (636) 237-4733 · Fax (314) 364-6382

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Chelsey Bayer Ortman Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78248 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Specialist/Technologist, Other (Electroneurodiagnostic)
2915 W BITTERS RD STE 201
SAN ANTONIO, TX 78248
Specialist/Technologist, Other (Electroneurodiagnostic)
2915 W BITTERS RD STE 201
SAN ANTONIO, TX 78248
Specialist/Technologist, Other (Electroneurodiagnostic)
2915 W BITTERS RD STE 201
SAN ANTONIO, TX 78248
Specialist/Technologist, Other (Electroneurodiagnostic)
2915 W BITTERS RD STE 201
SAN ANTONIO, TX 78248
Specialist/Technologist, Other (Electroneurodiagnostic)
2915 W BITTERS RD STE 201
SAN ANTONIO, TX 78248
Specialist/Technologist, Other (Electroneurodiagnostic)
2915 W BITTERS RD STE 201
SAN ANTONIO, TX 78248
Specialist/Technologist, Other (Electroneurodiagnostic)
2915 W BITTERS RD STE 201
SAN ANTONIO, TX 78248
Specialist/Technologist, Other (Electroneurodiagnostic)
2915 W BITTERS RD STE 201
SAN ANTONIO, TX 78248

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 Chelsey Ortman's NPI number?

The NPI number for Chelsey Ortman is 1144578485. It was assigned to this individual provider in the NPPES registry on August 16, 2012. The provider is also known as Chelsey Elizabeth Bayer MD.

Where is Chelsey Ortman located?

Chelsey Ortman practices at 2915 W Bitters Rd Ste 201, San Antonio, TX 78248. The listed phone number is (210) 598-2800.

What is Chelsey Ortman'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 Chelsey Ortman enrolled in Medicare?

Yes. Chelsey Ortman is registered in the Medicare PECOS enrollment system.

What insurance does Chelsey Ortman accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Chelsey Ortman 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 Chelsey Ortman was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.