Provider Profile
Jessica L. Williamson, NP
Unclaimed ProfileAbout Jessica Williamson
Jessica L. Williamson, NP is a nurse practitioner based in Stanford, CA. Medicare claims data shows Jessica provided 30 services to 29 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (650) 723-4000
- Email not available
Practice Locations
300 PASTEUR DR
Stanford, CA 94305
Procedures Most Often Billed to Medicare
30 services · 29 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
17 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 | Less often than most peers in Nurse Practitioner |
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 nurse practitioners at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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.
More connections — 2 related providers in 1 group
Other nurse practitioners in Stanford 2
Same specialty, same city.
Common questions
What does Jessica L. Williamson specialize in?
Jessica L. Williamson is a nurse practitioner in Stanford, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Jessica L. Williamson located?
Jessica L. Williamson is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Jessica L. Williamson's phone number?
The number on file is (650) 723-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Jessica L. Williamson?
Jessica L. Williamson's National Provider Identifier is 1255955233. 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
How much experience does Jessica L. Williamson have?
Jessica L. Williamson has 6+ years experience. Registered with an NPI since 2020. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Jessica L. Williamson do most often?
According to Medicare billing data, Jessica L. Williamson 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
Is Jessica L. Williamson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jessica L. Williamson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.