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Physician Assistant

Molly B. Brownfield Hess, PA

Works at hospitals in Phoenix, AZ · Arizona

Summary

Molly B. Brownfield Hess, PA is a physician assistant at 13400 E Shea Blvd, Scottsdale, AZ 85259. Phone: (480) 301-8000. Accepts Medicare assignment. In 2024, Molly B. Brownfield Hess had 97 Original Medicare patients and 136 services. NPI 1518417476. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 13400 E Shea Blvd, Scottsdale, AZ 85259 · Directions (4 more locations)
  • Phone: (480) 301‑8000
  • Medicare: Accepts Medicare assignment
  • Hospital: Mayo Clinic Hospital
  • Group practice: Mayo Clinic Arizona
  • School: graduated 2016
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Molly B. Brownfield Hess, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Molly B. Brownfield Hess accept Medicare assignment?
Yes. Medicare's clinician data says Molly B. Brownfield Hess 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 Molly B. Brownfield Hess see?
In 2024, CMS data shows 97 Original Medicare patients and 136 services for Molly B. Brownfield Hess. This counts Original Medicare only and measures volume, not quality.
What is Molly B. Brownfield Hess's NPI number?
1518417476. 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 Molly B. Brownfield Hess, 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 patients97
Services billed to Medicare136
Different services or procedures14
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)55 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 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).

  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High cholesterol65%
  • High blood pressure61%
  • Arthritis57%
  • Diabetes28%
  • Osteoporosis23%

Hospitals where Molly B. Brownfield Hess works

Medicare's Facility Affiliation Data lists Molly B. Brownfield Hess 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.

  • Mayo Clinic HospitalPhoenix, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030103

Practice locations

Addresses where Molly B. Brownfield Hess is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Molly B. Brownfield Hess as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic Arizona1,626 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Arizona →

Other physician assistants in Scottsdale

Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.

All physician assistants in Scottsdale →

Other clinicians in Mayo Clinic Arizona

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPA
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1518417476
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians