Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DARRELL WALLACE WILCOX M.D.
NPI 1568694586
Anesthesiology in Dallas, TX

Q: What is Darrell Wilcox's NPI number?

The NPI number for Darrell Wilcox is 1568694586. It was assigned to this individual provider in the NPPES registry on August 10, 2009.

Q: What is Darrell Wilcox's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Darrell Wilcox was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since August 10, 2009PECOS EnrolledAccepts Medicare Assignment

93.5/100

CMS Quality Rating

12222 MERIT DR STE 600, DALLAS, TX 75251(972) 715-5000(972) 715-9976 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 8, 2026, May 7, 2020 (2 updates tracked since 2020).

On this page

About Dr. Darrell Wallace Wilcox M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DARRELL WALLACE WILCOX M.D. (NPI 1568694586) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (P3485) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1568694586

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. DARRELL WALLACE WILCOXCredential: M.D.

Location Address12222 MERIT DR STE 600Dallas, TX 75251-3294

Mailing AddressPo Box 840853Dallas, TX 75284-0853 · (972) 233-1999 · Fax (972) 233-3666

Phone(972) 715-5000

Fax(972) 715-9976

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2010

Enumeration DateAugust 10, 2009

Last NPPES UpdateOctober 8, 20262 updates tracked since enumeration

NPPES CertifiedOctober 8, 2026

✔ NPI 1568694586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in TX · P3485

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

12222 MERIT DR STE 600, Dallas, TX 75251

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Secondary Practice Locations 2

Location 11500 Citywest Blvd, Ste. 300Houston, TX 77042-2300 · Phone (713) 620-4000 · Fax (713) 458-4229

Location 29250 Pinecroft DrShenandoah, TX 77380-3218 · Phone (281) 364-5805 · Fax (281) 364-5875

Other Identifiers 4

Medicaid324224001TX

Other8DY159TX · Blue Cross Blue Shield

Medicaid324224002TX

OtherP01237859TX · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company.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. Darrell Wallace Wilcox 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.

PECOS PAC ID5799929592

PECOS Enrollment IDI20130918000043

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Darrell Wilcox reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lonestar Anesthesia Solutions PLLC

216 mi

Anesthesiology

7010 CHAMPIONS PLAZA DR, SUITE 400
Houston, TX 77069

Reassigned Medicare billing, Texas enrollment
84 clinicians in this Medicare group

NPI 1992151161 (281) 880-9180

Northwest Anesthesiology & Pain Services, P.A.

216 mi

Anesthesiology

7010 CHAMPIONS PLAZA DR STE 400
Houston, TX 77069

Reassigned Medicare billing, Texas enrollment
260 clinicians in this Medicare group

NPI 1629027511 (832) 698-5331

U. S. Anesthesia Partners Of Texas, P.A.,

230 mi

Anesthesiology

1500 CITYWEST BLVD, SUITE 300
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

NPI 1548208564 (877) 361-1809

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 19

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.

Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 01938

This procedure involves using anesthesia to numb your lower back for certain procedures like injections, drainage, or aspiration on your spine or spinal cord. Imaging guidance is used to accurately locate the area to be treated, ensuring precision and safety.

224 services181 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

98 services98 patients

Anesthesia for nerve destruction procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 01940

This is a procedure where anesthesia is applied to numb specific nerves in your lower back. Using imaging guidance, the doctor can accurately locate these nerves through the skin. This is done to alleviate pain by disrupting nerve signals. It's a safe and effective method.

61 services53 patients

Anesthesia for procedure on small and large bowel using an endoscope 00813

Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.

60 services60 patients

Anesthesia for shock wave therapy for urinary system stones without water bath 00873

Anesthesia for shock wave therapy helps in comfortably breaking down urinary system stones. This is done without a water bath, using a device that sends shock waves to disintegrate the stones into small pieces, making them easier to pass naturally.

58 services49 patients

Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of neck or upper back accessed through skin using imaging guidance 01937

This procedure involves administering anesthesia to numb the neck or upper back area. This helps in carrying out procedures like injection, drainage, or aspiration on the spine or spinal cord. Imaging guidance is used to ensure accurate placement, enhancing safety and effectiveness.

54 services45 patients

Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810

Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.

52 services49 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

34 services34 patients

Anesthesia for nerve block and injection procedure, prone position 01992

Anesthesia for nerve block and injection is a procedure to numb specific areas, reducing pain. You'll be positioned face-down (prone) for optimal access to the treatment area. The anesthetic is injected near the nerve, blocking pain signals to the brain.

32 services30 patients

Anesthesia for closed procedure on pubic bone or pelvic joint 01160

Anesthesia for a closed procedure on the pubic bone or pelvic joint involves using medication to block pain during the procedure. This can be either general anesthesia, where you're unconscious, or regional anesthesia, where only a specific area of your body is numbed. It ensures a comfortable, pain-free experience during the procedure.

25 services24 patients

Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back 00300

Anesthesia for procedures on skin, muscles, or nerves of the head, neck, and upper back involves using medication to numb the area or make you unconscious during the procedure. This ensures you don't feel pain or discomfort. It's safe and monitored by professionals.

24 services22 patients

Anesthesia for other procedure on forearm, wrist, or hand bones 01830

Anesthesia for procedures on forearm, wrist, or hand bones involves administering medications to block sensation in the specific area. It ensures you don't feel pain during the procedure. It can be local (numbing a small area) or regional (numbing a larger part of the body).

22 services22 patients

Anesthesia for other procedure on urinary system through urethra 00910

Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.

21 services19 patients

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

19 services19 patients

Anesthesia for removal of prostate including use of an endoscope 00914

Anesthesia is used during the removal of the prostate to ensure you feel no discomfort. An endoscope, a thin tube with a camera, aids in viewing the area. This procedure involves the careful administration of medicines to help you sleep and prevent pain.

19 services19 patients

Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter 64416

This procedure involves injecting a numbing agent, often combined with a steroid, into the nerve bundle in your arm. It's typically done via continuous infusion. The aim is to manage pain and reduce inflammation, enhancing your comfort and recovery.

19 services19 patients

Anesthesia for other procedure on lower leg, ankle, and foot bones 01480

Anesthesia for procedures on lower leg, ankle, and foot bones involves administering medication to block pain and sensation in these areas. This allows doctors to perform necessary treatments or surgeries without causing discomfort. The type of anesthesia used can vary based on the specific procedure.

17 services17 patients

Anesthesia for nerve block and injection 01991

Anesthesia for nerve block and injection is a procedure used to numb specific areas, reducing or blocking pain signals. A medication is injected near nerves to cause numbness in a particular part of your body. This helps in performing certain medical procedures with minimal discomfort.

15 services11 patients

Anesthesia for closed procedure on hip joint 01200

Anesthesia for a closed procedure on the hip joint involves administering medication to block pain during the procedure. This can be done either by numbing the area around the hip or by putting you in a state of temporary unconsciousness. This ensures a pain-free procedure.

14 services13 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450184

Location1635 North Loop WestHouston, TX 77008 · Harris County

Emergency services Birthing friendly

St Luke's The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450862

Location17200 St Luke's WayThe Woodlands, TX 77384 · Montgomery County

Emergency services Birthing friendly

Chi St Lukes Lakeside Hospital

Acute Care Hospitals · The Woodlands, TX

OwnershipVoluntary non-profit - Other

CMS Certification Number670059

Location17400 St Lukes WayThe Woodlands, TX 77384 · Montgomery County

Emergency services

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.

93.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

97.15

Improvement Activities

Cost

83.57

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.

MRS. CHARITY CABRERA MAGCALAS CRNA

Nurse Anesthetist, Certified Registered