DR. WILLIAM B WALDROP MD
NPI 1619063336
Anesthesiology in Dallas, TX
About Dr. William B Waldrop Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM B WALDROP MD (NPI 1619063336) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (Q9074) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
Other Identifiers 9
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. William B Waldrop Md 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 William Waldrop 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
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 clinicians in this Medicare group
Fayetteville, AR 72703
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1407021280 (Arkansas)
- 2,038 clinicians in this Medicare group
Little Rock, AR 72202
- Reassigned Medicare billing, Arkansas enrollment
- 944 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 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Hospital System
Acute Care Hospitals · Houston, TXHouston Methodist Sugarland Hospital
Acute Care Hospitals · Sugar Land, TXMemorial Hermann Katy Hospital
Acute Care Hospitals · Katy, TXMemorial Hermann Sugar Land Hospital
Acute Care Hospitals · Sugar Land, 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 William Waldrop's NPI number?
The NPI number for William Waldrop is 1619063336. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is William Waldrop located?
William Waldrop practices at 12222 Merit Dr Ste 600, Dallas, TX 75251. The listed phone number is (972) 715-5000.
What is William Waldrop's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Waldrop enrolled in Medicare?
Yes. William Waldrop 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 William Waldrop's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Waldrop reassigns Medicare benefits to 4 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Texas Children's Physician Group (Houston, TX), University Of Arkansas For Medical Sciences (Fayetteville, AR) and Arkansas Childrens Hospital (Little Rock, AR). 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 William Waldrop's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Waldrop accept?
Health plans from Arkansas Blue Cross and Blue Shield, Blue Cross and Blue Shield of Texas, Health Advantage, Octave and Oscar Insurance Company list William Waldrop 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 William Waldrop affiliated with any hospitals?
According to CMS data, William Waldrop is affiliated with Memorial Hermann Hospital System, Houston Methodist Sugarland Hospital, Memorial Hermann Katy Hospital and Memorial Hermann Sugar Land Hospital.
When was this NPI record last updated?
The NPPES record for William Waldrop was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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. William B Waldrop, MD · NPI 1619063336
Anesthesiology physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1619063336 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** Q9074 (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): U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Texas Children's Physician Group (NPI 1861675506, Houston, TX); University Of Arkansas For Medical Sciences (NPI 1720217599, Fayetteville, AR); Arkansas Childrens Hospital (NPI 1598773079, Little Rock, AR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Medicaid 1524631 (TN); Medicaid 1619063336 (MI); Medicaid 914479000 (FL); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1619063336) · Data from the CMS NPPES public registry.