Margaret Lin, MD
NPI 1275600132 · Psychiatry Physician · Diamond Bar, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Lin, MD is a Psychiatry Physician provider in Diamond Bar, CA (NPI 1275600132).
Provider details
- NPI number
- 1275600132
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A69219 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 88 | 35 |
| Sertraline Hcl | 80 | 19 |
| Escitalopram Oxalate | 67 | 24 |
| Quetiapine Fumarate | 55 | 18 |
| Buspirone Hcl | 52 | 15 |
| Aripiprazole | 49 | 16 |
| Duloxetine Hcl | 47 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2023-01-13
Frequently asked questions
- What is Margaret Lin's NPI number?
- Margaret Lin's National Provider Identifier (NPI) is 1275600132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Lin's specialty?
- Margaret Lin is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Lin located?
- Margaret Lin's practice location on file with NPPES is 3333 S Brea Canyon Rd Ste 104, Diamond Bar, CA 91765-3782.
- What is Margaret Lin's phone number?
- The practice phone number listed in the NPPES registry for Margaret Lin is (626) 589-6535.
- Does Margaret Lin accept Medicare?
- Margaret Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Lin's NPI active?
- Yes — Margaret Lin's NPI (1275600132) is active in the NPPES registry as of the last update on 2023-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.