Physician Profile
Unclaimed ProfileAbout PIERCE
William J Pierce, M.D. is a healthcare provider in Lompoc, CA specializing in general surgery. William trained at University of California, Davis School of Medicine, graduating in 1993. William is also listed as specializing in surgery. According to Medicare claims data, William cared for 115 Medicare patients across 144 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
- (805) 736-1253
- Email not available
Practice Locations
136 N THIRD ST
Lompoc, CA 93436
Procedures Most Often Billed to Medicare
144 services · 115 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
68 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
29 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
23 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
12 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
12 |
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.
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.
Trained at University of California, Davis School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1993 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Pierce?
Dr. Pierce is a general surgeon in Lompoc, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Pierce's address?
Dr. Pierce is listed at 136 N THIRD ST, Lompoc, CA 93436. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Pierce?
The number on file is (805) 736-1253. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Pierce's NPI number?
Dr. Pierce's National Provider Identifier is 1083620330. 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. Pierce train?
Dr. Pierce attended University of California, Davis School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Pierce been practicing?
Dr. Pierce has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Pierce perform?
According to Medicare billing data, Dr. Pierce the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Pierce confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Pierce. 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.