William F. Baker, M.D. practises internal medicine in Bakersfield, CA. William is a 1975 graduate of University of California, Irvine, California College 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. Baker 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
Dr. Baker is listed at 3008 SILLECT AVE SUITE 240, Bakersfield, CA 93308. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (661) 616-9300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Baker's National Provider Identifier is 1720040793. 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. Baker attended University of California, Irvine, California College of Medicine, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
Dr. Baker has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Baker performs procedures including insertion of needle into vein for collection of blood sample; 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. Baker. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
3008 SILLECT AVE SUITE 240
Bakersfield, CA 93308
18,329 services · 6,223 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
281 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
480 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
280 |
| Influenza vaccine, inactivated | Treatment | 90653 |
143 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
721 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
300 |
| Injection, ketorolac tromethamine, per 15 mg | Drug given | J1885 |
175 |
| 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 |
4,723 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
4,319 |
| Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | Billing code | Q9967 |
2,101 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Same specialty, same street address — most likely the same department or group.
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.