NPPES file of Aug 9, 2026

Ronald Anthony Gagliano, M.D.

Colon & Rectal Surgery Physician · Phoenix, AZ

Ronald Anthony Gagliano, M.D. is a colon & rectal surgery physician with a practice address in Phoenix, Arizona, and NPI 1043296460, issued on Dec 16, 2005. Check the license (Arizona 48827, 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
1043296460
Name
Ronald Anthony Gagliano
Credential
M.D.
Primary taxonomy
Colon & Rectal Surgery Physician 208C00000X
License number
48827 AZ
Self-reported in NPPES; status is on the state search
Practice location
500 W Thomas RD Ste 400, Phoenix, AZ 85013
Phone
(602) 406-3874
Enumerated
Dec 16, 2005
Record last updated
Jun 8, 2026
Fax
(602) 406-2335
Medicare enrollment
Enrolled (PECOS I20150306001984); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 1994
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 500 W Thomas RD Ste 400

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

  1. Derik Alexander, FNPAdult Health Nurse Practitioner1306169313
  2. Conrad Ballecer, M.D.Surgery Physician1689871188
  3. James Bogert, MDSurgical Critical Care Physician1982868519
  4. Kimberly Chrisman, PA-CSurgical Physician Assistant1487679429
  5. Kathryn Coan, M.D.Surgery Physician1811121403
  6. Chelsea Colby, AGACNP-BCAdult Health Nurse Practitioner1568271153

Verify Ronald Anthony Gagliano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 48827
    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

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94% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024

12 Medicare Part D claims, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.

  1. Ronald Gagliano12
  2. Specialty average192

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Sjhmc Physician ServicesPhoenix, AZ

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

Ronald Anthony Gagliano among 60 colon & rectal surgery physician records in Arizona

Ronald Anthony Gagliano, M.D. is one of 60 colon & rectal surgery physician records with a practice address in Arizona. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 80% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1994 · median 2003 among the 45 with a school on file
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Colon & Rectal Surgery Physician providers in Arizona

There are 60 colon & rectal surgery physician records in Arizona.

The 8 colon & rectal surgery physician records with the nearest ZIP codes

  1. Jonathan Dameworth, M.D.Phoenix, AZ 850131194102772
  2. Nimesh Naik, MDPhoenix, AZ 850131306281308
  3. Omar Marar, M.D.Phoenix, AZ 850151912252321
  4. Ann Kalhorn, M.D.Phoenix, AZ 850161942296629
  5. Elizabeth McConnell, MDPhoenix, AZ 850161952393761
  6. Stephen Brown, M.D.Phoenix, AZ 850061558358275
  7. Ashley Casano, DOPhoenix, AZ 850061255777694
  8. Marc Goldblatt, M.D.Phoenix, AZ 850061154317824

Common questions

What is Ronald Anthony Gagliano, M.D.'s NPI number?

Ronald Anthony Gagliano, M.D.'s National Provider Identifier (NPI) is 1043296460, issued on Dec 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Anthony Gagliano, M.D. located?

The NPPES record lists a practice address at 500 W Thomas RD Ste 400, Phoenix, AZ, 85013. Phone: (602) 406-3874. Providers update this record themselves, so call before visiting.

How can I verify Ronald Anthony Gagliano, M.D.'s license?

NPPES lists Arizona license number 48827, 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.

How much does Ronald Anthony Gagliano, M.D. prescribe under Medicare Part D?

In 2024, Ronald Anthony Gagliano, M.D. had 12 Medicare Part D claims; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.

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.