NPPES file of Aug 9, 2026

Casey Deleonguerrero, D.O.

Obstetrics & Gynecology Physician · Flagstaff, AZ

Casey Deleonguerrero, D.O. is an obstetrics & gynecology physician with a practice address in Flagstaff, Arizona, and NPI 1275946030, issued on Jun 9, 2014. Check the license (Arizona 007888, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275946030
Name
Casey Deleonguerrero
Credential
D.O.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
007888 AZ
OS019222 PA
Self-reported in NPPES; status is on the state search
Practice location
2920 N 4TH St, Flagstaff, AZ 86004
Phone
(928) 522-9400
Enumerated
Jun 9, 2014
Record last updated
Apr 20, 2026
Fax
(928) 774-4808
Medicare enrollment
Enrolled (PECOS I20200414000868); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2014
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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8 nearest obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →

Also registered at 2920 N 4TH St

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

  1. Teresa Aleman, PHARMDPharmacist1083103550
  2. Hazem AlnamousStudent in an Organized Health Care Education/Training Program1760283071
  3. April Alvarez-Corona, M.D.Pediatrics Physician1699926048
  4. Inna Amaryllis, MDStudent in an Organized Health Care Education/Training Program1316785652
  5. Natalie Andress, CNMAdvanced Practice Midwife1427319961
  6. Julie Armstrong, MSWClinical Social Worker1972058527

Verify Casey Deleonguerrero in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 007888    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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Bills Medicare through one group practice

  1. North Country Healthcare IncFlagstaff, AZ

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

Casey Deleonguerrero among 803 obstetrics & gynecology physician records in Arizona

Casey Deleonguerrero, D.O. is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 76% of them.

  • NPI issued2014 · 76% of these records are older, 22% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2014 · median 2005 among the 477 with a school on file
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Arizona

There are 803 obstetrics & gynecology physician records in Arizona.

All 803 in Arizona → Every provider in Flagstaff → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. John Graziano, M.D.Flagstaff, AZ 860041013087600
  2. Paul Panasiuk, MDFlagstaff, AZ 860041063906493
  3. Bidisha Ray, MDFlagstaff, AZ 860041881878429
  4. Cora Salvino, MDFlagstaff, AZ 860041205881059
  5. Angelique Varela, MDFlagstaff, AZ 860041508830696
  6. Briana Wellington, M.D.Flagstaff, AZ 860041740409200
  7. Lee WildeFlagstaff, AZ 860041700101060
  8. Katrina Wilson, DOFlagstaff, AZ 860041033643622

Common questions

What is Casey Deleonguerrero, D.O.'s NPI number?

Casey Deleonguerrero, D.O.'s National Provider Identifier (NPI) is 1275946030, issued on Jun 9, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Casey Deleonguerrero, D.O. located?

The NPPES record lists a practice address at 2920 N 4TH St, Flagstaff, AZ, 86004. Phone: (928) 522-9400. Providers update this record themselves, so call before visiting.

How can I verify Casey Deleonguerrero, D.O.'s license?

NPPES lists Arizona license number 007888, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.