AARON MATTHEW FIELDS MD
NPI 1982896437
Anesthesiology in Dallas, TX

Q: What is Aaron Fields's NPI number?

The NPI number for Aaron Fields is 1982896437. It was assigned to this individual provider in the NPPES registry on August 17, 2007.

Q: What is Aaron Fields'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 Aaron Fields was last updated on June 9, 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.

Active since August 17, 2007PECOS 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: June 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 9, 2025, Sep 12, 2022, Nov 16, 2021 and 1 more (4 updates tracked since 2021).

On this page

About Aaron Matthew Fields Md NPPES

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

AARON MATTHEW FIELDS MD (NPI 1982896437) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (Q0255) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1982896437

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameAARON MATTHEW FIELDSCredential: MD

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

Mailing AddressPo Box 840853Dallas, TX 75284-5116 · (972) 233-1999 · Fax (972) 233-3666

Phone(972) 715-5000

Fax(972) 715-9976

Sole ProprietorYes

Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 2003

Enumeration DateAugust 17, 2007

Last NPPES UpdateJune 9, 20254 updates tracked since enumeration

NPPES CertifiedJune 9, 2025

✔ NPI 1982896437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

Licenses✔ Licensed in TX · Q0255✔ Licensed in WI · 48532-020

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.

Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License 48532-020 (WI)

12222 MERIT DR STE 600, Dallas, TX 75251

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Secondary Practice Locations 3

Location 13551 Roger Brooke Dr, MCHE-QD (Creds)Fort Sam Houston, TX 78234-4504 · Phone (210) 916-2316

Location 26606 Lbj Fwy Ste 200Dallas, TX 75240-6524 · Phone (972) 715-5000 · Fax (972) 715-9976

Location 3515 22nd AveMonroe, WI 53566-1569 · Phone (608) 324-1000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aaron Matthew Fields 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.

PECOS PAC ID3476875345

PECOS Enrollment IDI20141203001803, I20250528000711

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.

Areas of Expertise CMS Part B claims 7

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.

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

36 services34 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

35 services35 patients

Other procedure on nervous system 64999

A procedure on the nervous system can involve various techniques to diagnose or treat conditions affecting your brain, spinal cord, or nerves. These can include surgeries, tests, or therapies. It's done by specialized doctors to help improve your neurological health.

20 services20 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

19 services19 patients

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447

This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.

18 services18 patients

Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance 64488

This procedure involves injecting a local anesthetic into the abdominal wall to manage pain. It's carried out on both sides of the abdomen using imaging guidance for precision. This helps numb the area, providing relief from discomfort.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450058

Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County

Emergency services Birthing friendly

Methodist Hospital

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450388

Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

The Monroe Clinic

Acute Care Hospitals · Monroe, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520028

Location515 22nd AveMonroe, WI 53566 · Green County

Emergency services Birthing friendly

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number670055

Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County

Emergency services Birthing friendly

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

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)

Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…

100%1,917 patients5/55-star benchmark: 100%

Post-Anesthetic Transfer of Care: Use of Checklist or Protocol for Direct Transfer of Care from Procedure Room to Intensive Care Unit (ICU)

Percentage of patients, regardless of age, who undergo a procedure under anesthesia and are admitted to an Intensive Care Unit (ICU) directly from the anesthetizing location, who have a documented use of a checklist or protocol for the transfer of care from…

100%127 patients

Prevention of Post-Operative Nausea and Vomiting (PONV) - Combination Therapy

Percentage of patients, aged 18 years and older, who undergo a procedure under an inhalational general anesthetic, AND who have three or more risk factors for post-operative nausea and vomiting (PONV), who receive combination therapy consisting of at least…

100%1,255 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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