Physician Profile
Unclaimed ProfileAbout FERRO
Based in Stockton, CA, Diego F. Ferro, M.D. is listed in the NPI registry under internal medicine. Diego is also listed as specializing in specialist. Medicare claims data shows Diego provided 1,677 services to 1,319 patients.
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
- (209) 948-1583
- Email not available
Practice Locations
420 W ACACIA ST SUITE 1
Stockton, CA 95203
Procedures Most Often Billed to Medicare
1,677 services · 1,319 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
103 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
64 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
21 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
517 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
327 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
174 |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
152 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
132 |
| Administration of influenza virus vaccine | Billing code | G0008 |
69 |
| Face-to-face behavioral counseling for obesity, 15 minutes | Billing code | G0447 |
56 |
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 8
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 internal medicines in Stockton 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Other 7
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 is Dr. Ferro's specialty?
Dr. Ferro is an internal medicine in Stockton, 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. Ferro?
Dr. Ferro is listed at 420 W ACACIA ST SUITE 1, Stockton, CA 95203. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ferro?
The number on file is (209) 948-1583. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ferro?
Dr. Ferro's National Provider Identifier is 1700027877. 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. Ferro's medical education?
Dr. Ferro attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ferro have?
Dr. Ferro has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ferro known for?
According to Medicare billing data, Dr. Ferro provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ferro's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ferro. 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.