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

Robert M Mercer

Individual provider Orthopaedic Surgery Physician · NPI 1285193375

Robert M Mercer practises Orthopedic Surgery in Phoenix, Arizona. Qualified in 2019, 7 years ago. Practices with St Vincent Hospital, a 332-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Arizona and New Mexico.

Years since qualifying
7
Licensed in
AZ, NM
In the registry since
2019
Specialties on file
3
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Practice location Address checks out

2601 E Roosevelt St
Phoenix, AZ 85008-4973
Phone: (602) 344-5011
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2460 S Parkview Loop Ste 3, Yuma, AZ 85364-5357 — (928) 336-7846
  • 1 University Of New Mexico, Albuquerque, NM 87131-0001 — (505) 272-2231

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 76868 (AZ)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence MD2024-0234 (NM)
Orthopaedic Trauma Physician Taxonomy 207XX0801X · Licence MD2024-0234 (NM)

Record details

NPI number1285193375
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 18, 2019
Last updated in NPPESAugust 18, 2025
Certification dateAugust 18, 2025

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice St Vincent Hospital — 332 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Hip replacement 1–10 times
Removal of tissue 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $1,002 14 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

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

Colleagues at St Vincent Hospital

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 332 clinicians in the practice; 12 are shown here.

Other providers in Phoenix