DR. ROBERT C JOHNSTON M.D.
NPI 1003194853
Obstetrics & Gynecology - Maternal & Fetal Medicine in Austin, TX
About Dr. Robert C Johnston M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT C JOHNSTON M.D. (NPI 1003194853) is an individual maternal & fetal medicine provider in Austin, Texas, licensed in Texas (R6421) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, maintains a secondary practice location in New Braunfels, and is a graduate of University Of Vermont College Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 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. Robert C Johnston M.d. 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 Reassignments
6Medicare enrollment records show Robert Johnston reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75201
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Access Telecare California PC
- 194 clinicians in this Medicare group
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 1,133 clinicians in this Medicare group
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Santa Ana, CA 92701
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 191 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 78758 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AUSTIN, TX 78758
AUSTIN, TX 78758
AUSTIN, TX 78758
AUSTIN, TX 78758
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 Robert Johnston's NPI number?
The NPI number for Robert Johnston is 1003194853. It was assigned to this individual provider in the NPPES registry on July 28, 2011. The provider is also known as Dr. Robert C Johnston M.D..
Where is Robert Johnston located?
Robert Johnston practices at 12200 Renfert Way Ste G-3, Austin, TX 78758. The listed phone number is (512) 821-2540.
What is Robert Johnston's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Robert Johnston enrolled in Medicare?
Yes. Robert Johnston 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 organizations bill Medicare for Robert Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Johnston reassigns Medicare benefits to 6 organizations: Access Telecare California, P.C. (Dallas, TX), Bronson Methodist Hospital (Kalamazoo, MI), Southern California Permanente Medical Group (San Diego, CA), University Of California Irvine (Santa Ana, CA), Regents Of The University Of California (Orange, CA) and 1 more organization, listed in the Medicare section above. Each 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 Robert Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Johnston accept?
Health plans from Blue Cross and Blue Shield of Texas and Moda Health Plan, Inc. list Robert Johnston 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 Robert Johnston was last updated on December 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.