Christine Lim, M.D.
NPI 1639321771 · Psychiatry Physician · Antioch, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Lim, M.D. is a Psychiatry Physician provider in Antioch, CA (NPI 1639321771).
Provider details
- NPI number
- 1639321771
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 247783 (NY)
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 tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 75 | 23 |
| Lorazepam | 58 | 19 |
| Duloxetine Hcl | 50 | 16 |
| Mirtazapine | 49 | 13 |
| Trazodone Hcl | 47 | 18 |
| Sertraline Hcl | 47 | 17 |
| Lamotrigine | 42 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$64 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-21
- Last updated
- 2022-02-11
Frequently asked questions
- What is Christine Lim's NPI number?
- Christine Lim's National Provider Identifier (NPI) is 1639321771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Lim's specialty?
- Christine Lim is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Lim located?
- Christine Lim's practice location on file with NPPES is 3454 Hillcrest Ave, Antioch, CA 94531-8238.
- What is Christine Lim's phone number?
- The practice phone number listed in the NPPES registry for Christine Lim is (925) 777-6300.
- Does Christine Lim accept Medicare?
- Christine Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Lim's NPI active?
- Yes — Christine Lim's NPI (1639321771) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.