Christine Darwin, MD
NPI 1639104482 · Endocrinology, Diabetes & Metabolism Physician · Los Angeles, CA
Christine Darwin, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Los Angeles, CA (NPI 1639104482).
Provider details
- NPI number
- 1639104482
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A41988 (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
379 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 | 168 | $101 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 87 | $188 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $131 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 47 | $147 |
Typical Medicare-allowed amounts for these services range $101–$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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 95 | 31 |
| Metformin Hclbrand: Metformin Hcl Er | 94 | 29 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 84 | 31 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 82 | 35 |
| Semaglutidebrand: Ozempic | 71 | 15 |
| Metformin Hcl | 68 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2010-06-10
Frequently asked questions
- What is Christine Darwin's NPI number?
- Christine Darwin's National Provider Identifier (NPI) is 1639104482, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Darwin's specialty?
- Christine Darwin is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Darwin located?
- Christine Darwin's practice location on file with NPPES is 200 Medical Plaza, Los Angeles, CA 90095-3075.
- What is Christine Darwin's phone number?
- The practice phone number listed in the NPPES registry for Christine Darwin is (310) 825-7921.
- Is Christine Darwin's NPI active?
- Yes — Christine Darwin's NPI (1639104482) is active in the NPPES registry as of the last update on 2010-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.