Kelvin Sin
NPI 1629650932 · Nurse Practitioner · Loma Linda, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kelvin Sin is a Nurse Practitioner provider in Loma Linda, CA (NPI 1629650932).
Provider details
- NPI number
- 1629650932
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 95024334 (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 tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
75 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 34 | $82 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 14 | $7 |
Typical Medicare-allowed amounts for these services range $7–$123 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 77 | 77 |
| Azithromycin | 50 | 50 |
| Doxycycline Monohydrate | 35 | 35 |
| Cephalexin | 31 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 29 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 27 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-26
- Last updated
- 2024-10-25
- Certified
- 2023-11-21
Frequently asked questions
- What is Kelvin Sin's NPI number?
- Kelvin Sin's National Provider Identifier (NPI) is 1629650932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelvin Sin's specialty?
- Kelvin Sin is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kelvin Sin located?
- Kelvin Sin's practice location on file with NPPES is 11262 Campus St, Loma Linda, CA 92350-1727.
- What is Kelvin Sin's phone number?
- The practice phone number listed in the NPPES registry for Kelvin Sin is (909) 558-1000.
- Does Kelvin Sin accept Medicare?
- Kelvin Sin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kelvin Sin's NPI active?
- Yes — Kelvin Sin's NPI (1629650932) is active in the NPPES registry as of the last update on 2024-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.