Quick answers
- Does Nathaniel S. Harriman accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel S. Harriman 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 Nathaniel S. Harriman see?
- In 2024, CMS data shows 101 Original Medicare patients and 191 services for Nathaniel S. Harriman. This counts Original Medicare only and measures volume, not quality.
- What is Nathaniel S. Harriman's NPI number?
- 1053862300. 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 Nathaniel S. Harriman, 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 | 101 |
|---|---|
| Services billed to Medicare | 191 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- X-ray of lower and sacral spine, minimum of 4 views (72110)38 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)29 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 services
- X-ray of lower and sacral spine, 2-3 views (72100)24 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)13 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%
- Arthritis75%
- Chronic kidney disease41%
- Diabetes38%
- Depression37%
Hospitals where Nathaniel S. Harriman works
Medicare's Facility Affiliation Data lists Nathaniel S. Harriman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Abrazo Scottsdale CampusPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030083
- Arizona Orthopedic and Surgical Specialty HospitalPhoenix, AZ · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 030112
Practice locations
Addresses where Nathaniel S. Harriman is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1325 N Litchfield RdGoodyear, AZ 85395
- 13677 W McDowell Rd, Suite 201Goodyear, AZ 85395 (623) 536‑4200
- 1840 S Stapley Dr, Suite 137Mesa, AZ 85204 (480) 558‑3744
- 2122 E Highland Ave, Suite 100Phoenix, AZ 85016 (480) 372‑2111
- 3929 E Bell RdPhoenix, AZ 85032 (602) 274‑6506
Group practices
Medicare enrollment lists Nathaniel S. Harriman as a member of this group (CMS data updated October 2, 2026).
- VHS Outpatient Clinics Inc208 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Goodyear
Clinicians with the same Medicare primary specialty in Goodyear, AZ — not a recommendation.
Other clinicians in VHS Outpatient Clinics Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053862300 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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