BRENNAN MONTGOMERY WATKINS MD
NPI 1538370796
Anesthesiology in Phoenix, AZ

Q: What is Brennan Watkins's NPI number?

The NPI number for Brennan Watkins is 1538370796. It was assigned to this individual provider in the NPPES registry on May 26, 2007.

Q: What is Brennan Watkins'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 Brennan Watkins was last updated on December 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 26, 2007PECOS EnrolledAccepts Medicare Assignment

645 E MISSOURI AVE STE 300, PHOENIX, AZ 85012(602) 262-8900(602) 262-8890 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Brennan Montgomery Watkins Md NPPES

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

BRENNAN MONTGOMERY WATKINS MD (NPI 1538370796) is an individual anesthesiology provider in Phoenix, Arizona, licensed in Arizona (37895) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At San Antonio (2004).

NPPES Registry Identity

NPI1538370796

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameBRENNAN MONTGOMERY WATKINSCredential: MD

Location Address645 E MISSOURI AVE STE 300Phoenix, AZ 85012-1351

Mailing Address645 E Missouri Ave Ste 300Phoenix, AZ 85012-1351 · (602) 262-8900

Phone(602) 262-8900

Fax(602) 262-8890

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2004

Enumeration DateMay 26, 2007

Last NPPES UpdateDecember 21, 2021

NPPES CertifiedDecember 19, 2021

✔ NPI 1538370796 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in AZ · 37895

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License M5572 (TX)

645 E MISSOURI AVE STE 300, Phoenix, AZ 85012

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Other Identifiers 1

Medicaid355753AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc..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

Brennan Montgomery Watkins 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 ID244306157

PECOS Enrollment IDI20080829000007

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 Brennan Watkins reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Valley Anesthesiology Consultants, Inc.

11 mi

Anesthesiology

2262 E ROSE GARDEN LN
Phoenix, AZ 85024

Reassigned Medicare billing, Arizona enrollment
518 clinicians in this Medicare group

NPI 1285660704 (954) 939-5000

Scottsdale Surgical Partners LLC

12 mi

Anesthesiology

8901 E RAINTREE DR STE 100
Scottsdale, AZ 85260

Reassigned Medicare billing, Arizona enrollment
77 clinicians in this Medicare group

NPI 1396232559 (209) 956-7725

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 5

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 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.

65 services63 patients

Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 00732

This procedure involves using an endoscope, a flexible tube with a light and camera, to examine or treat your gallbladder, pancreas, or liver. Anesthesia is administered to ensure you're comfortable and pain-free during the procedure.

28 services28 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.

27 services27 patients

Anesthesia for x-ray or radiation therapy 01922

Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.

14 services14 patients

Anesthesia for other procedure on skin of arms, legs, and front body 00400

Anesthesia for procedures on the skin of your arms, legs, and front body is a service that numbs the area being treated. This ensures you don't feel pain during procedures like biopsies, stitches, or minor surgeries. It's administered through a small injection or a topical cream.

11 services11 patients

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.

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…

97%275 patients4/55-star benchmark: 100%

Pre-operative OSA assessment

Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)

94%777 patients4/55-star benchmark: 100%

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.

BETH MARIE RANNEY MD

Emergency Medicine