STEPHEN MARK GREEN CRNA
NPI 1881679595
Nurse Anesthetist, Certified Registered in Amarillo, TX
About Stephen Mark Green Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN MARK GREEN CRNA (NPI 1881679595) is an individual nurse anesthetist, certified registered in Amarillo, Texas, licensed in Texas (AP109124) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Round Rock.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephen Mark Green Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Stephen Green reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Amarillo, TX 79124
- Reassigned Medicare billing, Texas enrollment
- 13 clinicians in this Medicare group
Fort Stockton, TX 79735
- Reassigned Medicare billing, Texas enrollment
- Also billed through NPI 1386400232 (Texas)
- 51 clinicians in this Medicare group
Southlake, TX 76092
- Reassigned Medicare billing, Texas enrollment
- 447 clinicians in this Medicare group
Dallas, TX 75219
- Reassigned Medicare billing, Texas enrollment
- 495 clinicians in this Medicare group
Austin, TX 78759
- Reassigned Medicare billing, Texas enrollment
- 840 clinicians in this Medicare group
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
Mcallen, TX 78503
- Reassigned Medicare billing, Texas enrollment
- 300 clinicians in this Medicare group
Exeter, NH 03833
- Reassigned Medicare billing, New Hampshire enrollment
- 189 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 79106 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.
AMARILLO, TX 79106
AMARILLO, TX 79106
AMARILLO, TX 79106
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 Stephen Green's NPI number?
The NPI number for Stephen Green is 1881679595. It was assigned to this individual provider in the NPPES registry on December 14, 2005.
Where is Stephen Green located?
Stephen Green practices at 1901 Medi Park Dr Ste 2, Amarillo, TX 79106. The listed phone number is (806) 350-7918.
What is Stephen Green's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Stephen Green enrolled in Medicare?
Yes. Stephen Green is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Stephen Green's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Green reassigns Medicare benefits to 8 organizations: Care Circle Anesthesia Specialists PLLC (Amarillo, TX), Pecos County Memorial Hospital District (Fort Stockton, TX), Texas Anesthesia Partners, PLLC (Southlake, TX), Independent Physicians Network PLLC (Dallas, TX), Austin Anesthesiology Group, PLLC (Austin, TX) and 3 more organizations, 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 Stephen Green's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Green accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc., Molina Healthcare and UnitedHealthcare list Stephen Green 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 Stephen Green was last updated on May 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Stephen Mark Green, CRNA · NPI 1881679595
Nurse Anesthetist, Certified Registered physician in Amarillo, Texas. Individual provider, active in the CMS NPPES registry since December 14, 2005.
## Identity
- **NPI:** 1881679595 (Entity type: Individual)
- **Enumerated:** December 14, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP109124 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1901 MEDI PARK DR STE 2, Amarillo, TX 79106-2105
- **Phone:** (806) 350-7918
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Care Circle Anesthesia Specialists PLLC (NPI 1356856785, Amarillo, TX); Pecos County Memorial Hospital District (NPI 1073200309, Fort Stockton, TX); Texas Anesthesia Partners, PLLC (NPI 1144673468, Southlake, TX); Independent Physicians Network PLLC (NPI 1396274676, Dallas, TX); Austin Anesthesiology Group, PLLC (NPI 1598724304, Austin, TX); and 3 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 26, 2023
- **Other identifiers:** Other 430078925 (TX); Other 47-0891118; Other 83485U (TX); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1881679595) · Data from the CMS NPPES public registry.