Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

William L Bartholomew, MD

Individual provider Family Medicine Physician · NPI 1285626754

William L Bartholomew, MD is registered under Family Practice in Nogales, Arizona. Graduated from Hahnemann University College of Medicine in 1981, 45 years ago. Practices with Tucson Physician Group Holdings LLC, a 199-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
45
Trained at
Hahnemann University College of Medicine
Licensed in
AZ
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1171 W Target Range Rd
Nogales, AZ 85621-2415
Phone: (520) 285-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 13614 (AZ)

Record details

NPI number1285626754
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 19, 2005
Last updated in NPPESFebruary 4, 2025
Certification dateFebruary 4, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolHAHNEMANN UNIVERSITY COLLEGE OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice Tucson Physician Group Holdings Llc — 199 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients28
Services billed 76 a service is one billed item, such as a visit, a test or a procedure
Average patient age79

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Also affiliated with 1 nursing home, which CMS identifies by certification number only.

Colleagues at Tucson Physician Group Holdings LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 199 clinicians in the practice; 12 are shown here.

Other providers in Nogales