Cynthia Lin, M.D.
NPI 1205846763 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Lin, M.D. is a Internal Medicine Physician provider in San Diego, CA (NPI 1205846763).
Provider details
- NPI number
- 1205846763
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A62244 (CA)
Specialties & taxonomies
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
1 documented practice location
- 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 134 | $137 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $192 |
| Administration of Pneumococcal VaccineG0009 | 26 | $35 |
| Administration of Influenza Virus VaccineG0008 | 15 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $98 |
Typical Medicare-allowed amounts for these services range $35–$192 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 458 | 154 |
| Losartan Potassium | 262 | 80 |
| Amlodipine Besylate | 166 | 57 |
| Levothyroxine Sodium | 158 | 52 |
| Rosuvastatin Calcium | 129 | 44 |
| Gabapentin | 117 | 36 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-08
- Last updated
- 2014-01-13
Frequently asked questions
- What is Cynthia Lin's NPI number?
- Cynthia Lin's National Provider Identifier (NPI) is 1205846763, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Lin's specialty?
- Cynthia Lin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Lin located?
- Cynthia Lin's practice location on file with NPPES is 2020 Genesee Ave, San Diego, CA 92123-4219.
- What is Cynthia Lin's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Lin is (858) 499-2600.
- Does Cynthia Lin accept Medicare?
- Cynthia Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Lin's NPI active?
- Yes — Cynthia Lin's NPI (1205846763) is active in the NPPES registry as of the last update on 2014-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.