Provider Profile
Shelby Lim
Unclaimed ProfileAbout Shelby Lim
Shelby Lim is a physician assistant practicing in Fullerton, CA. According to Medicare claims data, Shelby cared for 439 Medicare patients across 573 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and programming of dual lead pacemaker system.
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.
Education & Training
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.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 449-7400
- Email not available
Practice Locations
2575 YORBA LINDA BLVD
Fullerton, CA 92831
Procedures Most Often Billed to Medicare
573 services · 439 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
115 | More than most peers in Physician Assistant |
| Programming of dual lead pacemaker system | Treatment | 93280 |
76 | More often than most peers in Physician Assistant |
| Programming of cardiac rhythm monitor system | Treatment | 93285 |
31 | Too few peers to compare |
| Evaluation of implantable heart and blood vessel monitoring system | Treatment | 93290 |
23 | Too few peers to compare |
| Programming of single lead pacemaker system | Treatment | 93279 |
14 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
247 | More often than most peers in Physician Assistant |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
53 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 | Less often than most peers in Physician Assistant |
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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 26 related providers in 4 groups
Other physician assistants in Fullerton 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Shelby Lim?
Shelby Lim is a physician assistant in Fullerton, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Shelby Lim's address?
Shelby Lim is listed at 2575 Yorba Linda Blvd, Fullerton, CA 92831. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Shelby Lim?
The number on file is (714) 449-7400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Shelby Lim's NPI number?
Shelby Lim's National Provider Identifier is 1316602568. 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 Shelby Lim train?
Shelby Lim attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Shelby Lim been practicing?
Shelby Lim has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What procedures does Shelby Lim perform?
According to Medicare billing data, Shelby Lim provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and programming of dual lead pacemaker system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Shelby Lim confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Shelby Lim. 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.