Mary Jean Fietz, M.D.
Anatomic Pathology & Clinical Pathology Physician · Tempe, AZ
Mary Jean Fietz, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Tempe, Arizona, and NPI 1154396133, issued on Feb 22, 2006. Check the license (Arizona 20108, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Jean Fietz
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 20108 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1255 W Washington St, Tempe, AZ 85281
- Phone
- (602) 685-5211
- Enumerated
- Feb 22, 2006
- Record last updated
- Mar 21, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (602) 685-5028
- Medicaid ID
- 111287 AZ
- Medicare enrollment
- Enrolled (PECOS I20090501000184); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 324 in Arizona → Look up another NPI →
Also registered at 1255 W Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rashad Aboul-Nasr, MDAnatomic Pathology & Clinical Pathology Physician1053409078
- Mary Adams, M.D.Anatomic Pathology Physician1396775920
- Lucyna Boyle, MDAnatomic Pathology & Clinical Pathology Physician1649247073
- Anthony Burgan, MDAnatomic Pathology & Clinical Pathology Physician1770563587
- Suzanne Cook, MDAnatomic Pathology & Clinical Pathology Physician1952381378
- Bryce Dursteler, M.D.Anatomic Pathology & Clinical Pathology Physician1942410410
Verify Mary Jean Fietz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 20108Check 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): 94.1 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
- St Josephs PathologyPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Jean Fietz among 324 anatomic pathology & clinical pathology physician records in Arizona
Mary Jean Fietz, M.D. is one of 324 anatomic pathology & clinical pathology physician records with a practice address in Arizona. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1986 · median 2001 among the 159 with a school on file
- Record last updated2017 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Arizona
There are 324 anatomic pathology & clinical pathology physician records in Arizona.
All 324 in Arizona → Every provider in Tempe → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Lucyna Boyle, MDTempe, AZ 852811649247073
- Anthony Burgan, MDTempe, AZ 852811770563587
- Suzanne Cook, MDTempe, AZ 852811952381378
- Joseph Foley, MDTempe, AZ 852811023086956
- Leslie Krahl, MDTempe, AZ 852811033178918
- Peter Molloy, MDTempe, AZ 852811508834425
- Dennis Parkinson, MDTempe, AZ 852811518934934
- Robert Ramsey, MDTempe, AZ 852811023085446
Common questions
What is Mary Jean Fietz, M.D.'s NPI number?
Mary Jean Fietz, M.D.'s National Provider Identifier (NPI) is 1154396133, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Jean Fietz, M.D. located?
The NPPES record lists a practice address at 1255 W Washington St, Tempe, AZ, 85281. Phone: (602) 685-5211. Providers update this record themselves, so call before visiting.
How can I verify Mary Jean Fietz, M.D.'s license?
NPPES lists Arizona license number 20108, 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 Mary Jean Fietz, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 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.