Robert Porter, DO
NPI 1275561565 · Emergency Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Porter, DO is a Emergency Medicine Physician provider in Phoenix, AZ (NPI 1275561565).
Provider details
- NPI number
- 1275561565
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 4400 (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
215 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 | 92 | $177 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 88 | $122 |
| Critical Care, First 30-74 Minutes99291 | 35 | $216 |
Typical Medicare-allowed amounts for these services range $122–$216 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 38 | 36 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 37 | 36 |
| Naproxen | 21 | 21 |
| Ondansetron Hcl | 19 | 19 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 18 | 17 |
| Sucralfate | 16 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-28
- Last updated
- 2015-01-05
Frequently asked questions
- What is Robert Porter's NPI number?
- Robert Porter's National Provider Identifier (NPI) is 1275561565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Porter's specialty?
- Robert Porter is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Porter located?
- Robert Porter's practice location on file with NPPES is 1111 E Mcdowell Rd, Phoenix, AZ 85006-2612.
- What is Robert Porter's phone number?
- The practice phone number listed in the NPPES registry for Robert Porter is (602) 839-6968.
- Does Robert Porter accept Medicare?
- Robert Porter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Porter's NPI active?
- Yes — Robert Porter's NPI (1275561565) is active in the NPPES registry as of the last update on 2015-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.