DR. SAAN S. SIMON DO
NPI 1780647594
Anesthesiology in Dallas, TX
About Dr. Saan S. Simon Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAAN S. SIMON DO (NPI 1780647594) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (J5202) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Mission Regional Medical Center, and maintains a secondary practice location in Las Vegas.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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. Saan S. Simon Do 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
4Medicare enrollment records show Saan Simon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grapevine, TX 76051
- Reassigned Medicare billing, Texas enrollment
- 74 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
- 98 clinicians in this Medicare group
Mission, TX 78572
- Reassigned Medicare billing, Texas enrollment
- 26 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mission Regional Medical Center
Acute Care Hospitals · Mission, TXOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75251
DALLAS, TX 75251
DALLAS, TX 75251
DALLAS, TX 75251
DALLAS, TX 75251
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 Saan Simon's NPI number?
The NPI number for Saan Simon is 1780647594. It was assigned to this individual provider in the NPPES registry on April 11, 2006.
Where is Saan Simon located?
Saan Simon practices at 12222 Merit Dr Ste 600, Dallas, TX 75251. The listed phone number is (972) 715-5000.
What is Saan Simon's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Saan Simon enrolled in Medicare?
Yes. Saan Simon 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 Saan Simon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Saan Simon reassigns Medicare benefits to 4 organizations: Clinical Associates, Inc (Grapevine, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Rio Grande Anesthesia & Pain Medicine Consultants, P.A. (Mcallen, TX) and Acema Group, PA (Mission, TX). 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 Saan Simon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Saan Simon accept?
Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Saan Simon 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.
Is Saan Simon affiliated with any hospitals?
According to CMS data, Saan Simon is affiliated with Mission Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Saan Simon was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Saan S. Simon, DO · NPI 1780647594
Anesthesiology physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since April 11, 2006.
## Identity
- **NPI:** 1780647594 (Entity type: Individual)
- **Enumerated:** April 11, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** J5202 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 12222 MERIT DR STE 600, Dallas, TX 75251-3294
- **Phone:** (972) 715-5000 · **Fax:** (972) 715-9976
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Clinical Associates, Inc (NPI 1518265966, Grapevine, TX); U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Rio Grande Anesthesia & Pain Medicine Consultants, P.A. (NPI 1962457234, Mcallen, TX); Acema Group, PA (NPI 1841438785, Mission, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Texas Hsc, College Of Osteopathic Med, class of 1992
## Record status
- **NPPES last updated:** August 20, 2025
- **Other identifiers:** Medicaid 124611805 (TX)
---
Source: [NPI Profile](https://npiprofile.com/npi/1780647594) · Data from the CMS NPPES public registry.