Brennan Montgomery Watkins, MD
Anesthesiology Physician · Phoenix, AZ
Brennan Montgomery Watkins, MD is an anesthesiology physician with a practice address in Phoenix, Arizona, and NPI 1538370796, issued on May 26, 2007. Check the license (Arizona 37895, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brennan Montgomery Watkins
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 37895 AZ
M5572 TX
Self-reported in NPPES; status is on the state search - Practice location
- 645 E Missouri Ave Ste 300, Phoenix, AZ 85012
- Phone
- (602) 262-8900
- Enumerated
- May 26, 2007
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (602) 262-8890
- Medicaid ID
- 355753 AZ
- Medicare enrollment
- Enrolled (PECOS I20080829000007); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2004
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →
Also registered at 645 E Missouri Ave Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Aeschlimann, M.D.Pain Medicine (Anesthesiology) Physician1144682659
- Amalia Aleck, M.D.Anesthesiology Physician1467763284
- Jeanmarie Altieri, CRNACertified Registered Nurse Anesthetist1033214408
- Sean Barney, PA-CPhysician Assistant1629304332
- Carly Bass, RNRegistered Nurse1144749946
- Nicholas Baumler, D.O.Anesthesiology Physician1659542660
Verify Brennan Montgomery Watkins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 37895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $33.27
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Valley Anesthesiology Consultants IncMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brennan Montgomery Watkins among 1,473 anesthesiology physician records in Arizona
Brennan Montgomery Watkins, MD is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2004 · median 2003 among the 984 with a school on file
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
602 anesthesiology physician records list a practice address in Phoenix
They are 602 of the 31,399 NPPES records with a practice address in Phoenix, and 1,473 anesthesiology physician records in Arizona.
All 1,473 in Arizona → Every provider in Phoenix → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Joshua Bloomstone, MDPhoenix, AZ 850121003886292
- Dennis Brydon, MDPhoenix, AZ 850121114907821
- David Domin, MDPhoenix, AZ 850121982675062
- Russell Duquette, MDPhoenix, AZ 850121538139258
- Harold Emershad, MDPhoenix, AZ 850121326018516
- Karl Frindrich, MDPhoenix, AZ 850121407823347
- Tania Haddad, MD DMDPhoenix, AZ 850121235101262
- Jeffrey Morray, MDPhoenix, AZ 850121003896713
Common questions
What is Brennan Montgomery Watkins, MD's NPI number?
Brennan Montgomery Watkins, MD's National Provider Identifier (NPI) is 1538370796, issued on May 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Brennan Montgomery Watkins, MD located?
The NPPES record lists a practice address at 645 E Missouri Ave Ste 300, Phoenix, AZ, 85012. Phone: (602) 262-8900. Providers update this record themselves, so call before visiting.
How can I verify Brennan Montgomery Watkins, MD's license?
NPPES lists Arizona license number 37895, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.