Quick answers
- Does Heather R. Macdonald accept Medicare assignment?
- Yes. Medicare's clinician data says Heather R. Macdonald 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 Heather R. Macdonald see?
- In 2024, CMS data shows 97 Original Medicare patients and 184 services for Heather R. Macdonald. This counts Original Medicare only and measures volume, not quality.
- What is Heather R. Macdonald's NPI number?
- 1326158619. 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 Heather R. Macdonald, 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 | 97 |
|---|---|
| Services billed to Medicare | 184 |
| Different services or procedures | 14 |
| 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)83 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)23 services
- Partial removal of breast (19301)18 services
- Biopsy or removal of deep lymph nodes of underarm (38525)15 services
- Imaging of lymph nodes during surgery (38900)14 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 cholesterol74%
- High blood pressure58%
- Arthritis46%
- Osteoporosis36%
- Anxiety29%
Hospitals where Heather R. Macdonald works
Medicare's Facility Affiliation Data lists Heather R. Macdonald 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.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
Practice locations
Addresses where Heather R. Macdonald is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Hoag DrNewport Beach, CA 92663 (949) 764‑8281
- 16305 Sand Canyon Ave, Suite 160Irvine, CA 92618 (949) 557‑0186
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326158619 |
| 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