Quick answers
- Does Brock A. Merritt accept Medicare assignment?
- Yes. Medicare's clinician data says Brock A. Merritt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Brock A. Merritt see?
- In 2024, CMS data shows 35 Original Medicare patients and 193 services for Brock A. Merritt. This counts Original Medicare only and measures volume, not quality.
- What is Brock A. Merritt's NPI number?
- 1619933942. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Brock A. Merritt, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 35 |
|---|---|
| Services billed to Medicare | 193 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)84 services
- Insertion of needle into vein for collection of blood sample (36415)29 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)18 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)15 services
- Blood glucose (sugar) test performed by hand-held instrument (82962)11 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes54%
- Arthritis46%
Practice locations
Addresses where Brock A. Merritt is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1616 E Indian School Rd, Suite 135Phoenix, AZ 85016 (480) 900‑9355
- 1653 E McMurray Blvd, Suite 144Casa Grande, AZ 85122 (520) 836‑8644
- 202 E Earll Dr, Suite 360Phoenix, AZ 85012 (480) 788‑5621
- 3048 E Baseline Rd, Suite 122Mesa, AZ 85204 (480) 497‑5933
- 5060 N 19th Ave, Suite 207Phoenix, AZ 85015 (480) 488‑5621
Group practices
Medicare enrollment lists Brock A. Merritt as a member of these groups (CMS data updated October 2, 2026).
- I Am Wellness AZ LLC40 clinicians in the group
- Progressive Pain Management Inc37 clinicians in the group
- Hope Diabetes Center LLC26 clinicians in the group
- Advanced Minimally Invasive Surgical9 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Other clinicians in I Am Wellness AZ LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619933942 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians