Physician Profile
Unclaimed ProfileAbout GILLI
Based in Bakersfield, CA, William Edward Gilli, M.D. is listed in the NPI registry under internal medicine. William graduated from University of Southern California Keck School of Medicine in 1983. According to Medicare claims data, William cared for 1,999 Medicare patients across 2,818 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
- (661) 617-6750
- Email not available
Practice Locations
8327 BRIMHALL RD SUITE #704
Bakersfield, CA 93312
Procedures Most Often Billed to Medicare
2,818 services · 1,999 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, trivalent derived from recombinant dna | Treatment | 90673 |
184 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
82 |
| Exam of neurobehavioral status, first hour | Treatment | 96116 |
36 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
26 |
| Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older) | Treatment | 90715 |
13 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
13 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
746 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
441 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
186 |
| Administration of influenza virus vaccine | Billing code | G0008 |
178 |
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 internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other internal medicines in Bakersfield 8
Same specialty, same city.
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, trivalent derived from recombinant dna 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Gilli specialize in?
Dr. Gilli is an internal medicine in Bakersfield, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Gilli located?
Dr. Gilli is listed at 8327 BRIMHALL RD SUITE #704, Bakersfield, CA 93312. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gilli's phone number?
The number on file is (661) 617-6750. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gilli's NPI number?
Dr. Gilli's National Provider Identifier is 1447257100. 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. Gilli go to medical school?
Dr. Gilli attended University of Southern California Keck School of Medicine, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gilli been practicing?
Dr. Gilli has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gilli do most often?
According to Medicare billing data, Dr. Gilli provides treatments such as influenza vaccine, trivalent derived from recombinant dna 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. Gilli confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gilli. 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.