Registry data as of Aug 27, 2026

Gregory Fenzl, D.O.

Diagnostic Radiology Physician · Phoenix, AZ

Gregory Fenzl, D.O. is a diagnostic radiology physician with a practice address in Phoenix, Arizona, and NPI 1093787004, issued on Feb 3, 2006. Check the license (Arizona 4043, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1093787004
Name
Gregory Fenzl
Credential
D.O.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
4043 AZ
Self-reported in NPPES; status is on the state search
Practice location
19829 N 27TH Ave, Phoenix, AZ 85027
Phone
(623) 879-5720
Enumerated
Feb 3, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 19829 N 27TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anam Abbasi, MDHospitalist Physician1568990695
  2. John Alvey, DOEmergency Medicine Physician1588775746
  3. Carlos Anaya, MDAnesthesiology Physician1750460457
  4. Marium Asad, M.D.Internal Medicine Physician1518458157
  5. Marjan Ashtiani, FNPPrimary Care Nurse Practitioner1174144885
  6. Christian Atkinson, PHARMDPharmacist1386362648

Verify Gregory Fenzl in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 4043
    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.

Diagnostic Radiology Physician providers in Arizona

There are 869 diagnostic radiology physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other diagnostic radiology physician records in Arizona

  1. Asmaa Aamir, M.D.Phoenix, AZ1912163791
  2. Abdelrahman AbdallaTucson, AZ1457139339
  3. Thomas Abram, MDTucson, AZ1023089158
  4. William Acker, M.D.Phoenix, AZ1730168162
  5. Cameron AdlerScottsdale, AZ1205298411
  6. Shalini Agarwal, M.D.Phoenix, AZ1083671242
  7. Ayad Agha, D.O.Prescott, AZ1730113903
  8. Scott Agran, M.D.Phoenix, AZ1053389957
  9. Imtiaz Ahmed, MDPhoenix, AZ1881776821
  10. Martin Ainbinder, M.D.Scottsdale, AZ1407814825

Common questions

What is Gregory Fenzl, D.O.'s NPI number?

Gregory Fenzl, D.O.'s National Provider Identifier (NPI) is 1093787004, issued on Feb 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Fenzl, D.O. located?

The NPPES record lists a practice address at 19829 N 27TH Ave, Phoenix, AZ, 85027. Phone: (623) 879-5720. Providers update this record themselves, so call before visiting.

How can I verify Gregory Fenzl, D.O.'s license?

NPPES lists Arizona license number 4043, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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) 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 27, 2026.