Guy Delorefice, M.D. practises internal medicine in Sonoma, CA. Guy is a 1996 graduate of Creighton University School of Medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Delorefice is an internal medicine in Sonoma, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Dr. Delorefice is listed at 370 PERKINS ST, Sonoma, CA 95476. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (707) 938-1255. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Delorefice's National Provider Identifier is 1952426421. 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
Dr. Delorefice attended Creighton University School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
Dr. Delorefice has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Delorefice performs procedures including removal of impacted ear wax; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Delorefice. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
370 PERKINS ST
Sonoma, CA 95476
1,118 services · 752 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
13 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
109 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
101 |
| Influenza vaccine, trivalent derived from recombinant dna | Treatment | 90673 |
53 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
394 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
161 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
95 |
| Prostate cancer screening; digital rectal examination | Billing code | G0102 |
62 |
| Administration of influenza virus vaccine | Billing code | G0008 |
56 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
50 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
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.