Physician Profile
Unclaimed ProfileAbout KLEIN
Based in Newport Beach, CA, Ryan M Klein, MD is listed in the NPI registry under internal medicine. Ryan graduated from University of Southern California Keck School of Medicine in 1995.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Klein's specialty?
Dr. Klein is an internal medicine in Newport Beach, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Klein?
Dr. Klein is listed at 1501 SUPERIOR AVE STE 111, Newport Beach, CA 92663. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Klein?
The number on file is (949) 274-8030. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Klein's NPI number?
Dr. Klein's National Provider Identifier is 1184620866. 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
What is Dr. Klein's medical education?
Dr. Klein attended University of Southern California Keck School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Klein been practising?
Dr. Klein has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Klein known for?
According to Medicare billing data, Dr. Klein provides treatments such as injection of drug or substance under skin or into muscle and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Klein confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Klein. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 274-8030
- Email not available
Practice Locations
1501 SUPERIOR AVE STE 111
Newport Beach, CA 92663
Procedures Most Often Billed to Medicare
79,069 services · 2,341 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
583 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
302 |
| Test to measure expiratory airflow and volume initiated by patient and evaluated by provider | Treatment | 94016 |
126 |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
122 |
| Test to determine lung volumes using sensors | Treatment | 94726 |
122 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
121 |
| Test to measure largest amount of air breathed in an out | Treatment | 94200 |
120 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
108 |
| Evaluation of use of breathing device | Treatment | 94664 |
25 |
| Injection, mepolizumab, 1 mg | Drug given | J2182 |
26,100 |
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 internal medicines at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 31 related providers in 4 groups
Other internal medicines in Newport Beach 8
Same specialty, same city.
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at University of Southern California Keck School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.