DOUGLAS R FLANDERS M.D.
NPI 1629046057
Anesthesiology in Houston, TX
About Douglas R Flanders M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS R FLANDERS M.D. (NPI 1629046057) is an individual anesthesiology provider in Houston, Texas, licensed in Texas (J4116) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Ut Health East Texas Tyler Regional Hospital, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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
Douglas R Flanders 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
4Medicare enrollment records show Douglas Flanders reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
Corpus Christi, TX 78412
- Reassigned Medicare billing, Texas enrollment
- 740 clinicians in this Medicare group
Tyler, TX 75708
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: University Of Texas Health Science Center At Tyler-Facilty-Physician
- 299 clinicians in this Medicare group
Fort Worth, TX 76109
- Reassigned Medicare billing, Texas enrollment
- 1,612 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 6
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ut Health East Texas Tyler Regional Hospital
Acute Care Hospitals · Tyler, TXMedicare 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.
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
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 Douglas Flanders's NPI number?
The NPI number for Douglas Flanders is 1629046057. It was assigned to this individual provider in the NPPES registry on March 10, 2006.
Where is Douglas Flanders located?
Douglas Flanders practices at 1500 Citywest Blvd Ste. 300, Houston, TX 77042. The listed phone number is (713) 620-4000.
What is Douglas Flanders's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Douglas Flanders enrolled in Medicare?
Yes. Douglas Flanders 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 Douglas Flanders's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Flanders reassigns Medicare benefits to 4 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Northstar Anesthesia III PA (Corpus Christi, TX), University Of Texas Health Science Center At Tyler (Tyler, TX) and Emergenchealth PLLC (Fort Worth, 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 Douglas Flanders's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Flanders accept?
Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Douglas Flanders 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 Douglas Flanders affiliated with any hospitals?
According to CMS data, Douglas Flanders is affiliated with Ut Health East Texas Tyler Regional Hospital.
When was this NPI record last updated?
The NPPES record for Douglas Flanders was last updated on February 8, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Douglas R Flanders, M.D. · NPI 1629046057
Anesthesiology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since March 10, 2006.
## Identity
- **NPI:** 1629046057 (Entity type: Individual)
- **Enumerated:** March 10, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** J4116 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 CITYWEST BLVD, STE. 300, Houston, TX 77042-2300
- **Phone:** (713) 620-4000 · **Fax:** (713) 458-4229
## 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): U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Northstar Anesthesia III PA (NPI 1356968952, Corpus Christi, TX); University Of Texas Health Science Center At Tyler (NPI 1992868186, Tyler, TX); Emergenchealth PLLC (NPI 1467970897, Fort Worth, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 1992
## Record status
- **NPPES last updated:** February 8, 2017
- **Other identifiers:** Other P01624180 (TX); Medicare UPIN F69966 (TX); Medicaid 103967907 (TX); and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1629046057) · Data from the CMS NPPES public registry.