Physician Profile
Unclaimed ProfileAbout HADFIELD
Gregory Sean Hadfield, PA-C is a physician assistant practicing in Lakeport, CA. According to Medicare claims data, Gregory cared for 5,033 Medicare patients across 16,823 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
- (707) 263-8955
- Email not available
Practice Locations
5144 HILL RD E
Lakeport, CA 95453
Procedures Most Often Billed to Medicare
16,823 services · 5,033 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
5,494 |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
1,173 |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
1,074 |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
398 |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
371 |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
209 |
| Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm | Procedure | 17282 |
184 |
| Simple or single drainage of skin abscess | Procedure | 10060 |
167 |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
119 |
| Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm | Procedure | 17272 |
93 |
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 3
Same specialty, same street address — most likely the same department or group.
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 physician assistants in Lakeport 6
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 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Hadfield's specialty?
Dr. Hadfield is a physician assistant in Lakeport, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where can I find Dr. Hadfield?
Dr. Hadfield is listed at 5144 HILL RD E, Lakeport, CA 95453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Hadfield?
The number on file is (707) 263-8955. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hadfield's NPI number?
Dr. Hadfield's National Provider Identifier is 1285869966. 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. Hadfield's medical education?
Dr. Hadfield attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hadfield been practicing?
Dr. Hadfield has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Hadfield known for?
According to Medicare billing data, Dr. Hadfield performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths; 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
Has Dr. Hadfield confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hadfield. 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.