Joyce Lin, PA-C
NPI 1427681022 · Physician Assistant · La Jolla, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joyce Lin, PA-C is a Physician Assistant provider in La Jolla, CA (NPI 1427681022).
Provider details
- NPI number
- 1427681022
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA57821 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
36 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $85 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 11 | $57 |
Typical Medicare-allowed amounts for these services range $57–$85 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 105 | 38 |
| Letrozole | 83 | 30 |
| Gabapentin | 49 | 12 |
| Exemestane | 34 | 13 |
| Ondansetron Hcl | 21 | — |
| Oxycodone Hcl | 19 | 15 |
| Tamoxifen Citrate | 17 | — |
| Loperamide Hclbrand: Loperamide | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$378 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 3855 Health Sciences DrLa Jolla, CA 92093-9000Phone: (800) 926-8273
- 200 W Arbor DrSan Diego, CA 92103-9000Phone: (800) 926-8273
Registry dates
- Enumerated
- 2020-02-21
- Last updated
- 2024-08-29
- Certified
- 2024-08-29
Frequently asked questions
- What is Joyce Lin's NPI number?
- Joyce Lin's National Provider Identifier (NPI) is 1427681022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joyce Lin's specialty?
- Joyce Lin is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joyce Lin located?
- Joyce Lin's practice location on file with NPPES is 9400 Campus Point Dr, La Jolla, CA 92093-9000.
- What is Joyce Lin's phone number?
- The practice phone number listed in the NPPES registry for Joyce Lin is (800) 926-8273.
- Does Joyce Lin accept Medicare?
- Joyce Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joyce Lin's NPI active?
- Yes — Joyce Lin's NPI (1427681022) is active in the NPPES registry as of the last update on 2024-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.