Clinical Pathologists (Laboratory Medicine) in Arizona
Data updated monthly · Last refresh October 2026
39 Clinical Pathology/Laboratory Medicine providers practice in Arizona. The largest concentration is in Scottsdale. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
39providers
Scottsdaletop city
Clinical Pathology/Laboratory Medicine by city in Arizona
Choose a city to see providers there.
Where Clinical Pathologists (Laboratory Medicine) in Arizona practice
From CMS Medicare enrollment records covering 32 of the 39 providers listed here (82%). Providers who do not bill Medicare are not included in these figures.
3%solo or small practice (under 10 clinicians)
6%mid-size group (10 to 99)
91%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Clinical Pathologists (Laboratory Medicine) | All clinicians in group | Main city |
| Mayo Clinic Arizona | 28 | 1,618 | Scottsdale |
| Pathology Specialist of Arizona, LLP | 2 | 69 | Mesa |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Clinical Pathologists (Laboratory Medicine) affiliated |
| Mayo Clinic Hospital | Phoenix | Nonprofit | 5 of 5 | 28 |
| Banner Desert Medical Center | Mesa | Nonprofit | 2 of 5 | 2 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Clinical Pathology/Laboratory Medicine providers in Arizona
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Kelsey Mchugh, M.D.Phoenix, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Natasha Lewis, MDPhoenix, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Regina Van Buren, MDPhoenix, AZ · No drug or device payments recorded (2025) ·
(602) 685-5211 Dr. Monty Hawkins, MDPrescott, AZ · No drug or device payments recorded (2025) ·
(480) 985-1093 Dr. Alessandra Ceolin Schmitt, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Andrew Bryan, M.D., PH.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Brian Poirier, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Chirag Patel, M.D.Scottsdale, AZ · $9,359 in drug and device payments (2025) ·
(480) 301-8000 Dr. Christopher Conley, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Dora Lam-himlin, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Henry Tazelaar, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Idris Ocal, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. James Hernandez, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. James Lewis, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Jiehao Zhou, M.D., PH.D.Scottsdale, AZ · $81 in drug and device payments (2025) ·
(480) 301-8000 Dr. Jill Adamski, MD, PHDScottsdale, AZ · $103 in drug and device payments (2025) ·
(480) 301-8000 Dr. Jinjun Cheng, MDScottsdale, AZ · $81 in drug and device payments (2025) ·
(480) 301-8000 Dr. Katalin Kelemen, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Kliment Donev, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Lawrence Williams, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Lisa Rimsza, MDScottsdale, AZ · $7,036 in drug and device payments (2025) ·
(480) 301-8000 Dr. Liying Fu, M.D.Scottsdale, AZ · $27 in drug and device payments (2025) ·
(480) 301-8000 Dr. Longwen Chen, M.D.Scottsdale, AZ · $81 in drug and device payments (2025) ·
(480) 301-8000 Dr. Matthew Zarka, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Maxwell Smith, MDScottsdale, AZ · $114 in drug and device payments (2025) ·
(904) 953-2000 Dr. Melissa Stanton, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Paul Wawryko, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Qun Lu, MDScottsdale, AZ · $132 in drug and device payments (2025) ·
(480) 301-8000 Dr. Raquel Teixeira Yokoda, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Rish Pai, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(180) 301-8000 Dr. Ryan Robetorye, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Sarah Gibson, MDScottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Theresa Kinard, MDScottsdale, AZ · $103 in drug and device payments (2025) ·
(480) 301-8000 Dr. Thomas Lidner, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Yasmeen Butt, M.D.Scottsdale, AZ · No drug or device payments recorded (2025) ·
(480) 301-8000 Dr. Ron Schifman, MDTucson, AZ · No drug or device payments recorded (2025) ·
(520) 629-4629 Common questions
How many Clinical Pathology/Laboratory Medicine providers are in Arizona?There are 39 Clinical Pathology/Laboratory Medicine providers with active NPI records practicing in Arizona, according to federal NPPES data refreshed monthly.
Which cities in Arizona have the most Clinical Pathology/Laboratory Medicine providers?Scottsdale (31), Phoenix (6), Prescott (1) have the highest concentration of Clinical Pathology/Laboratory Medicine providers in Arizona.
How many Clinical Pathology/Laboratory Medicine providers in Arizona received drug or device company payments?13 of 39 Clinical Pathology/Laboratory Medicine providers in Arizona (33%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Clinical Pathologists (Laboratory Medicine) in Arizona work in independent practices or large health systems?Among 32 Clinical Pathologists (Laboratory Medicine) in Arizona enrolled in Medicare, 3% bill through a solo or small practice with fewer than 10 clinicians, 6% through a mid-size group of 10 to 99, and 91% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Clinical Pathologists (Laboratory Medicine) in Arizona work at?According to CMS facility affiliation records, the Arizona hospitals where the most Clinical Pathologists (Laboratory Medicine) hold privileges are Mayo Clinic Hospital in Phoenix; Banner Desert Medical Center in Mesa.
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