Physician Profile
Unclaimed ProfileAbout HEMPHILL
Jonathan Arn Hemphill, MD practices cardiovascular disease (cardiology) in Carmichael, CA. Jonathan is also listed as specializing in cardiovascular disease. According to Medicare claims data, Jonathan cared for 3,211 Medicare patients across 3,988 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (916) 536-3560
- Email not available
Practice Locations
6555 COYLE AVE STE 280
Carmichael, CA 95608
Procedures Most Often Billed to Medicare
3,988 services · 3,211 patients · 24 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
1,060 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
237 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
192 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
128 |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
123 |
| Programming of dual lead pacemaker system | Treatment | 93280 |
122 |
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | Treatment | 93297 |
49 |
| Heart rhythm recording continous external ekg over more than 48 hours up to 7 days | Treatment | 93242 |
47 |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | Treatment | 93351 |
45 |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
44 |
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.
Related specialists at this location 2
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.
Other cardiovascular diseases in Carmichael 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Hemphill specialize in?
Dr. Hemphill is a cardiovascular disease (cardiology) in Carmichael, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where is Dr. Hemphill located?
Dr. Hemphill is listed at 6555 COYLE AVE STE 280, Carmichael, CA 95608. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hemphill's phone number?
The number on file is (916) 536-3560. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hemphill's NPI number?
Dr. Hemphill's National Provider Identifier is 1952405326. 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
Where did Dr. Hemphill go to medical school?
Dr. Hemphill attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hemphill been practicing?
Dr. Hemphill has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hemphill do most often?
According to Medicare billing data, Dr. Hemphill provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hemphill confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hemphill. 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.