ROBERT M MERCER
NPI 1285193375
Orthopaedic Surgery in Phoenix, AZ

Active since March 18, 2019PECOS EnrolledAccepts Medicare Assignment
2601 E ROOSEVELT ST, PHOENIX, AZ 85008(602) 344-5011 Get Directions Write a Review

NPPES record last updated: August 18, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 12, 2025, Apr 11, 2025, Nov 21, 2024 and 3 more (6 updates tracked since 2019).

About Robert M Mercer NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT M MERCER (NPI 1285193375) is an individual orthopaedic surgery provider in Phoenix, Arizona, licensed in Arizona (76868) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1285193375
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameROBERT M MERCER
Location Address2601 E ROOSEVELT STPhoenix, AZ 85008-4973
Mailing Address2929 E Thomas RdPhoenix, AZ 85016-8034 · (602) 470-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 18, 2019
Last NPPES UpdateAugust 18, 20256 updates tracked since enumeration
NPPES CertifiedAugust 18, 2025
✔ NPI 1285193375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in AZ · 76868✔ Licensed in NM · MD2024-0234
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Orthopaedic TraumaTaxonomy 207XX0801X · License MD2024-0234 (NM)
2601 E ROOSEVELT ST, Phoenix, AZ 85008

Secondary Practice Locations 2

Location 11 University Of New MexicoAlbuquerque, NM 87131-0001 · Phone (505) 272-2231
Location 22460 S Parkview Loop Ste 3Yuma, AZ 85364-5357 · Phone (928) 336-7846

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robert M Mercer is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8729314786
PECOS Enrollment IDI20250220002771, I20250627003371
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Robert Mercer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Disease
2601 E ROOSEVELT ST, CARDIOLOGY
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
General Acute Care Hospital
2400 S AVE A
Yuma, AZ 85364
  • Reassigned Medicare billing, Arizona enrollment
  • 557 clinicians in this Medicare group
General Practice
7910 WYOMING BLVD NE STE A
Albuquerque, NM 87109
  • Reassigned Medicare billing, New Mexico enrollment
  • 399 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85008 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine (Emergency Medical Services)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Internal Medicine
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
General Acute Care Hospital
2601 E ROOSEVELT ST, DEPARTMENT OF MEDICINE
PHOENIX, AZ 85008
Surgery (Trauma Surgery)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Psychiatry & Neurology (Psychiatry)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Plastic Surgery
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Psychiatry & Neurology (Psychiatry)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Internal Medicine
2601 E ROOSEVELT ST
PHOENIX, AZ 85008

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Mercer's NPI number?

The NPI number for Robert Mercer is 1285193375. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Where is Robert Mercer located?

Robert Mercer practices at 2601 E Roosevelt St, Phoenix, AZ 85008. The listed phone number is (602) 344-5011.

What is Robert Mercer's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Robert Mercer enrolled in Medicare?

Yes. Robert Mercer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Robert Mercer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Mercer reassigns Medicare benefits to 3 organizations: District Medical Group, Inc (Phoenix, AZ), Yuma Regional Medical Center (Yuma, AZ) and St Vincent Hospital (Albuquerque, NM). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Mercer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Mercer accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. list Robert Mercer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Robert Mercer was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.