Christine Lin, MD
NPI 1699979591 · Critical Care Medicine (Internal Medicine) Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Lin, MD is a Critical Care Medicine (Internal Medicine) Physician provider in La Jolla, CA (NPI 1699979591).
Provider details
- NPI number
- 1699979591
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- DR 0051166 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
227 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 101 | $121 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 62 | $188 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 45 | $17 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $176 |
Typical Medicare-allowed amounts for these services range $17–$188 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atovaquone | 30 | — |
| Prednisone | 28 | 13 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 21 | — |
| Megestrol Acetate | 19 | — |
| Apixabanbrand: Eliquis | 18 | — |
| Valganciclovir Hcl | 17 | 11 |
| Gabapentin | 15 | — |
Practice location
Mailing address
Additional practice locations (3)
- 4168 Front StSan Diego, CA 92103-2030Phone: (800) 926-8273
- 4520 Executive DrSan Diego, CA 92121-3018Phone: (800) 926-8273
- 200 W Arbor DrSan Diego, CA 92103-9000Phone: (858) 657-7000
Registry dates
- Enumerated
- 2007-06-13
- Last updated
- 2024-06-27
- Certified
- 2024-06-27
Frequently asked questions
- What is Christine Lin's NPI number?
- Christine Lin's National Provider Identifier (NPI) is 1699979591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Lin's specialty?
- Christine Lin is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Lin located?
- Christine Lin's practice location on file with NPPES is 9300 Campus Point Dr, La Jolla, CA 92037-1300.
- What is Christine Lin's phone number?
- The practice phone number listed in the NPPES registry for Christine Lin is (800) 926-8273.
- Does Christine Lin accept Medicare?
- Christine Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Lin's NPI active?
- Yes — Christine Lin's NPI (1699979591) is active in the NPPES registry as of the last update on 2024-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.