Mary Harper, DO
NPI 1518297753 · Emergency Medicine Physician · Rancho Mirage, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Harper, DO is a Emergency Medicine Physician provider in Rancho Mirage, CA (NPI 1518297753).
Provider details
- NPI number
- 1518297753
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20A18856 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
701 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 362 | $167 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 139 | $114 |
| Critical Care, First 30-74 Minutes99291 | 131 | $203 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 23 | $77 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 17 | $165 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 15 | $68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 55 | 55 |
| Cephalexin | 37 | 37 |
| Azithromycin | 31 | 31 |
| Naproxen | 24 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 21 | 21 |
| Cefdinir | 20 | 20 |
| Dicyclomine Hcl | 17 | 17 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$213 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-01-11
- Last updated
- 2025-11-06
- Certified
- 2025-11-06
Frequently asked questions
- What is Mary Harper's NPI number?
- Mary Harper's National Provider Identifier (NPI) is 1518297753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Harper's specialty?
- Mary Harper is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Harper located?
- Mary Harper's practice location on file with NPPES is 39000 Bob Hope Dr, Rancho Mirage, CA 92270-3221.
- What is Mary Harper's phone number?
- The practice phone number listed in the NPPES registry for Mary Harper is (760) 340-3911.
- Does Mary Harper accept Medicare?
- Mary Harper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Harper's NPI active?
- Yes — Mary Harper's NPI (1518297753) is active in the NPPES registry as of the last update on 2025-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.