Physician Profile
Unclaimed ProfileAbout MARR
Henry Louis Marr, D.O. is a healthcare provider in Moreno Valley, CA specializing in emergency medicine. Medicare claims data shows Henry provided 55 services to 41 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (833) 574-2273
- Email not available
Practice Locations
27300 IRIS AVE
Moreno Valley, CA 92555
Procedures Most Often Billed to Medicare
55 services · 41 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
26 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
29 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other emergency physicians at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
Other emergency physicians in Moreno Valley 8
Same specialty, same city.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Marr specialize in?
Dr. Marr is an emergency physician in Moreno Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Emergency Medicine”.
NPI registry
Where is Dr. Marr located?
Dr. Marr is listed at 27300 IRIS AVE, Moreno Valley, CA 92555. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Marr's phone number?
The number on file is (833) 574-2273. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marr?
Dr. Marr's National Provider Identifier is 1962880435. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Dr. Marr have?
Dr. Marr has 11+ years experience. Registered with an NPI since 2015. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Marr do most often?
According to Medicare billing data, Dr. Marr provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Marr's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marr. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.