NPPES file of Aug 9, 2026

Brent David Gerlach, M.D.

Anesthesiology Physician · Phoenix, AZ

Brent David Gerlach, M.D. is an anesthesiology physician with a practice address in Phoenix, Arizona, and NPI 1023451820, issued on Apr 10, 2013. Check the license (Arizona 56412, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023451820
Name
Brent David Gerlach
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
56412 AZ
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
Apr 10, 2013
Record last updated
Oct 4, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181004002126); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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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.

  1. Brittany Aeschlimann, M.D.Pain Medicine (Anesthesiology) Physician1144682659
  2. Amalia Aleck, M.D.Anesthesiology Physician1467763284
  3. Jeanmarie Altieri, CRNACertified Registered Nurse Anesthetist1033214408
  4. Sean Barney, PA-CPhysician Assistant1629304332
  5. Carly Bass, RNRegistered Nurse1144749946
  6. Nicholas Baumler, D.O.Anesthesiology Physician1659542660

Verify Brent David Gerlach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 56412
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $65.62

2 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. 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.

  1. Brent Gerlach$65.62
  2. Specialty average$669.59

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

  1. Valley Anesthesiology Consultants IncPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Brent David Gerlach among 1,473 anesthesiology physician records in Arizona

Brent David Gerlach, M.D. 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 2013, is newer than 76% of them.

  • NPI issued2013 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2013 · median 2003 among the 984 with a school on file
  • Record last updated2018 · 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.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Joshua Bloomstone, MDPhoenix, AZ 850121003886292
  2. Dennis Brydon, MDPhoenix, AZ 850121114907821
  3. David Domin, MDPhoenix, AZ 850121982675062
  4. Russell Duquette, MDPhoenix, AZ 850121538139258
  5. Harold Emershad, MDPhoenix, AZ 850121326018516
  6. Karl Frindrich, MDPhoenix, AZ 850121407823347
  7. Tania Haddad, MD DMDPhoenix, AZ 850121235101262
  8. Jeffrey Morray, MDPhoenix, AZ 850121003896713

Common questions

What is Brent David Gerlach, M.D.'s NPI number?

Brent David Gerlach, M.D.'s National Provider Identifier (NPI) is 1023451820, issued on Apr 10, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Brent David Gerlach, M.D. 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 Brent David Gerlach, M.D.'s license?

NPPES lists Arizona license number 56412, 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.