Stephen Lim, DO
NPI 1962939884 · Family Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Lim, DO is a Family Medicine Physician provider in San Francisco, CA (NPI 1962939884).
Provider details
- NPI number
- 1962939884
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A171985 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
91 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $110 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $154 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 15 | $9 |
Typical Medicare-allowed amounts for these services range $9–$154 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Tamsulosin Hcl | 21 |
| Rosuvastatin Calcium | 18 |
| Hydrochlorothiazide | 14 |
| Levothyroxine Sodium | 14 |
| Losartan Potassium | 14 |
| Atorvastatin Calcium | 13 |
| Amlodipine Besylate | 12 |
| Omeprazole | 12 |
| Lorazepam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-23
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Stephen Lim's NPI number?
- Stephen Lim's National Provider Identifier (NPI) is 1962939884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Lim's specialty?
- Stephen Lim is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Lim located?
- Stephen Lim's practice location on file with NPPES is 559 Clay St Ste 200, San Francisco, CA 94111-3029.
- What is Stephen Lim's phone number?
- The practice phone number listed in the NPPES registry for Stephen Lim is (888) 663-6331.
- Does Stephen Lim accept Medicare?
- Stephen Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Lim's NPI active?
- Yes — Stephen Lim's NPI (1962939884) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.