Doctor profile · Federal record

Dr. William Ellison, MD

Anesthesiology Physician (CMS: Anesthesiology) · Houston, TX

  • NPI 1548273154
  • Accepts Medicare
  • MIPS 93.5 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Citywest Blvd, Ste. 300
Houston, TX 770422300
(713) 620-4000
fax (713) 458-4229
Mailing address
Po Box 840853
Dallas, TX 752840865

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
August 27, 2020
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Texas #L9682
Medicaid
TX #173885802

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548273154. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
115
Distinct HCPCS
5
Medicare allowed
$11,943
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 38 37 $97
00811 Anesthesia for other procedure on large bowel using an endoscope 30 30 $77
00790 Anesthesia for other procedure on upper abdomen 20 20 $134
00813 Anesthesia for procedure on small and large bowel using an endoscope 15 15 $91
00840 Anesthesia for other procedure on lower abdomen 12 12 $162

In context: peer comparison

Among 281 peers in Houston Anesthesiology Physician, average services per provider: 33. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$37
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Avanos Medical 1 $36.73

By nature of payment

Food and Beverage
$37

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Ellison's medical specialty?
Dr. William Ellison practices Anesthesiology Physician in Houston, TX.
Where does Dr. William Ellison practice?
Dr. William Ellison practices at 1500 Citywest Blvd, Houston, TX 770422300. Office phone: 7136204000.
What is Dr. William Ellison's NPI?
Dr. William Ellison's National Provider Identifier (NPI) is 1548273154, issued by NPPES.
Does Dr. William Ellison accept Medicare assignment?
Yes. Dr. William Ellison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ellison commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on upper abdomen (HCPCS 00790). Source: CMS Medicare Physician & Other Practitioners file.