Chien Lin, MD
NPI 1750399374 · Internal Medicine Physician · Quincy, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chien Lin, MD is a Internal Medicine Physician provider in Quincy, MA (NPI 1750399374).
Provider details
- NPI number
- 1750399374
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 230883 (MA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,896 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 617 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 337 | $92 |
| Hemoglobin A1c Level83036 | 271 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 196 | $13 |
| Blood Test, Clotting Time85610 | 191 | $4 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 127 | $78 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 759 | 219 |
| Amlodipine Besylate | 274 | 75 |
| Losartan Potassium | 195 | 54 |
| Metformin Hclbrand: Metformin Hcl Er | 183 | 62 |
| Metoprolol Succinate | 170 | 43 |
| Omeprazole | 142 | 55 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2021-02-18
- Certified
- 2021-02-18
Frequently asked questions
- What is Chien Lin's NPI number?
- Chien Lin's National Provider Identifier (NPI) is 1750399374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chien Lin's specialty?
- Chien Lin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chien Lin located?
- Chien Lin's practice location on file with NPPES is 1250 Hancock St, Quincy, MA 02169-4339.
- What is Chien Lin's phone number?
- The practice phone number listed in the NPPES registry for Chien Lin is (617) 774-0840.
- Does Chien Lin accept Medicare?
- Chien Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chien Lin's NPI active?
- Yes — Chien Lin's NPI (1750399374) is active in the NPPES registry as of the last update on 2021-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.