Physician Profile
Unclaimed ProfileAbout FIRST
Brian Peter First, M.D. practises internal medicine in San Diego, CA. Brian is also listed as specialising in endocrinology, diabetes & metabolism.
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. First's specialty?
Dr. First is an internal medicine in San Diego, 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. First?
Dr. First is listed at 4282 GENESEE AVE #103, San Diego, CA 92117. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. First?
The number on file is (858) 292-0108. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. First's NPI number?
Dr. First's National Provider Identifier is 1770531816. 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. First's medical education?
Dr. First attended Other, graduating in 1973. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. First been practising?
Dr. First has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.
CMS public data
What is Dr. First known for?
According to Medicare billing data, Dr. First performs procedures including insertion of needle into vein for collection of blood sample and removal of impacted ear wax; 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. First confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. First. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (858) 292-0108
- Email not available
Practice Locations
4282 GENESEE AVE #103
San Diego, CA 92117
Procedures Most Often Billed to Medicare
7,841 services · 2,342 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
811 |
| Removal of impacted ear wax | Procedure | 69210 |
31 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
264 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
33 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
31 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
3,774 |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
177 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
26 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,106 |
| Blood glucose (sugar) test performed by hand-held instrument | Lab test | 82962 |
353 |
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 San Diego 8
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 1973 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 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.