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- 20103 Lake Chabot Rd, Castro Valley, CA 94546
About Eric Bellfort
Listed in the NPI registry as a physician assistant, Eric S. Bellfort, PA practices in Castro Valley, CA. Medicare claims data shows Eric provided 1,183 services to 922 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19). NPI 1073504403 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (209) 342-2300
- Email not available
Practice Locations
20103 LAKE CHABOT RD
Castro Valley, CA 94546
Procedures Most Often Billed to Medicare
1,183 services · 922 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
36 | As often as other peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
68 | Less often than most peers in Physician Assistant |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
68 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
329 | More than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
292 | More than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
120 | More than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
92 | More often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
85 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
40 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
30 | As often as other peers in Physician Assistant |
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 physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
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.
More connections — 30 related providers in 4 groups
Other physician assistants in Castro Valley 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Other 8
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.
Common questions
What is Eric S. Bellfort's specialty?
Eric S. Bellfort is a physician assistant in Castro Valley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Eric S. Bellfort?
Eric S. Bellfort is listed at 20103 Lake Chabot Rd, Castro Valley, CA 94546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Eric S. Bellfort?
The number on file is (209) 342-2300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Eric S. Bellfort?
Eric S. Bellfort's National Provider Identifier is 1073504403. 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 Eric S. Bellfort's education?
Eric S. Bellfort attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Eric S. Bellfort have?
Eric S. Bellfort has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is Eric S. Bellfort known for?
According to Medicare billing data, Eric S. Bellfort provides treatments such as 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
Is Eric S. Bellfort's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Eric S. Bellfort. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.