ANASTASIA GRIEB
NPI 1437739463
Psychiatry & Neurology - Psychiatry in Houston, TX
About Anastasia Grieb NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANASTASIA GRIEB (NPI 1437739463) is an individual psychiatry provider in Houston, Texas, licensed in New York (317796) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Anastasia Grieb 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 Anastasia Grieb reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronxville, NY 10708
- Reassigned Medicare billing, New York enrollment
- 531 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 77006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Anastasia Grieb's NPI number?
The NPI number for Anastasia Grieb is 1437739463. It was assigned to this individual provider in the NPPES registry on April 13, 2021.
Where is Anastasia Grieb located?
Anastasia Grieb practices at 4508 Graustark St Apt 238, Houston, TX 77006. The listed phone number is (504) 913-9364.
What is Anastasia Grieb's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Anastasia Grieb enrolled in Medicare?
Yes. Anastasia Grieb 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 Anastasia Grieb's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anastasia Grieb reassigns Medicare benefits to Lawrence Medical Associates, PC (Bronxville, NY). 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 Anastasia Grieb's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Anastasia Grieb was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.