Megan Guy, MD
NPI 1215424502 · Emergency Medicine Physician · Orange, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Guy, MD is a Emergency Medicine Physician provider in Orange, CA (NPI 1215424502).
Provider details
- NPI number
- 1215424502
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 173905 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
351 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 | 133 | $175 |
| Critical Care, First 30-74 Minutes99291 | 111 | $216 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 64 | $122 |
| Ultrasound of Heart, Follow-Up93308 | 18 | $26 |
| Limited Ultrasound Scan of Abdomen76705 | 13 | $29 |
| Ultrasound Scan of Chest76604 | 12 | $27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$777 across 6 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
Additional practice locations (1)
- 3800 W Chapman Ave Ste 3200Orange, CA 92868-1638Phone: (714) 509-2376Fax: (714) 456-3714
Registry dates
- Enumerated
- 2018-04-23
- Last updated
- 2023-01-17
- Certified
- 2023-01-17
Frequently asked questions
- What is Megan Guy's NPI number?
- Megan Guy's National Provider Identifier (NPI) is 1215424502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Guy's specialty?
- Megan Guy is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Megan Guy located?
- Megan Guy's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Megan Guy's phone number?
- The practice phone number listed in the NPPES registry for Megan Guy is (714) 880-7812.
- Does Megan Guy accept Medicare?
- Megan Guy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Guy's NPI active?
- Yes — Megan Guy's NPI (1215424502) is active in the NPPES registry as of the last update on 2023-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.