Mark Lopez, MD
NPI 1518922079 · Emergency Medical Services (Emergency Medicine) Physician · Prescott, AZ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lopez, MD is a Emergency Medical Services (Emergency Medicine) Physician provider in Prescott, AZ (NPI 1518922079).
Provider details
- NPI number
- 1518922079
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 29284 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,170 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 549 | $167 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 277 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 209 | $116 |
| Critical Care, First 30-74 Minutes99291 | 108 | $203 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 16 | $68 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 43 | 43 |
| Ondansetronbrand: Ondansetron Odt | 40 | 40 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 34 | 34 |
| Doxycycline Monohydrate | 24 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 19 |
| Oxycodone Hcl | 18 | 18 |
| Cefdinir | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Lopez's NPI number?
- Mark Lopez's National Provider Identifier (NPI) is 1518922079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lopez's specialty?
- Mark Lopez is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lopez located?
- Mark Lopez's practice location on file with NPPES is 1003 Willow Creek Rd, Prescott, AZ 86301-1641.
- What is Mark Lopez's phone number?
- The practice phone number listed in the NPPES registry for Mark Lopez is (928) 445-2700.
- Does Mark Lopez accept Medicare?
- Mark Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lopez's NPI active?
- Yes — Mark Lopez's NPI (1518922079) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.