Margie Lim, MD
NPI 1093728909 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margie Lim, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1093728909).
Provider details
- NPI number
- 1093728909
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A61477 (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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
321 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 107 | $160 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 67 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 64 | $109 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 53 | $156 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $74 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 189 | 83 |
| Rosuvastatin Calcium | 172 | 69 |
| Levothyroxine Sodium | 117 | 46 |
| Amlodipine Besylate | 108 | 45 |
| Metoprolol Succinate | 81 | 28 |
| Losartan Potassium | 63 | 24 |
Practice location
Mailing address
Additional practice locations (2)
- 805 Veterans BlvdSuite 100Redwood City, CA 94063-1734Phone: (650) 853-6600
- 301 Industrial RdSan Carlos, CA 94070-2603Phone: (650) 596-4000Fax: (650) 596-4159
Registry dates
- Enumerated
- 2006-08-14
- Last updated
- 2023-09-11
- Certified
- 2023-09-11
Frequently asked questions
- What is Margie Lim's NPI number?
- Margie Lim's National Provider Identifier (NPI) is 1093728909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margie Lim's specialty?
- Margie Lim is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margie Lim located?
- Margie Lim's practice location on file with NPPES is 1500 Owens St Ste 360, San Francisco, CA 94158-2335.
- What is Margie Lim's phone number?
- The practice phone number listed in the NPPES registry for Margie Lim is (415) 353-8646.
- Does Margie Lim accept Medicare?
- Margie Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margie Lim's NPI active?
- Yes — Margie Lim's NPI (1093728909) is active in the NPPES registry as of the last update on 2023-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.