Ann McCullough, M.D.
Clinical Pathology/Laboratory Medicine Physician · Phoenix, AZ
Ann McCullough, M.D. is a clinical pathology/laboratory medicine physician with a practice address in Phoenix, Arizona, and NPI 1265416960, issued on Dec 6, 2005. Check the license (Arizona 25041, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ann McCullough
- Credential
- M.D.
- Primary taxonomy
- Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
- License number
- 25041 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5777 E Mayo Blvd, Phoenix, AZ 85054
- Phone
- (480) 301-8000
- Enumerated
- Dec 6, 2005
- Record last updated
- Oct 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100223000193); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1983
- Entity
- Type 1 · individual
8 nearest clinical pathology/laboratory medicine physician records → All 40 in Arizona → Look up another NPI →
Also registered at 5777 E Mayo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nneoma Alozie, MDInternal Medicine Physician1912642695
Verify Ann McCullough in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 25041Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 78.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann McCullough among 40 clinical pathology/laboratory medicine physician records in Arizona
Ann McCullough, M.D. is one of 40 clinical pathology/laboratory medicine physician records with a practice address in Arizona. 93% 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, 85% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated1983 · median 2002 among the 34 with a school on file
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0105X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology/Laboratory Medicine Physician providers in Arizona
There are 40 clinical pathology/laboratory medicine physician records in Arizona.
All 40 in Arizona → Every provider in Phoenix → Clinical Pathology/Laboratory Medicine Physician nationwide →
The 8 clinical pathology/laboratory medicine physician records with the nearest ZIP codes
- Xiaoyan Cui, M.D.Phoenix, AZ 850541841580743
- Natasha Lewis, MDPhoenix, AZ 850541033472790
- Kelsey McHugh, M.D.Phoenix, AZ 850541881013449
- Regina Van Buren, MDPhoenix, AZ 850341558326983
- Juan Iturregui, M.D.Phoenix, AZ 850061568417665
- Longwen Chen, M.D.Scottsdale, AZ 852591881650778
- Christopher Conley, M.D.Scottsdale, AZ 852591891778569
- James Hernandez, M.D.Scottsdale, AZ 852591922084904
Common questions
What is Ann McCullough, M.D.'s NPI number?
Ann McCullough, M.D.'s National Provider Identifier (NPI) is 1265416960, issued on Dec 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ann McCullough, M.D. located?
The NPPES record lists a practice address at 5777 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Ann McCullough, M.D.'s license?
NPPES lists Arizona license number 25041, 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.
What is Ann McCullough, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.