Christopher Lam, MD
NPI 1013443282 · Internal Medicine Physician · Saint Paul, MN
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Lam, MD is a Internal Medicine Physician provider in Saint Paul, MN (NPI 1013443282).
Provider details
- NPI number
- 1013443282
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- S0932 (TX)
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 tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
224 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 112 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 60 | $79 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 29 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 23 | $174 |
Typical Medicare-allowed amounts for these services range $79–$174 (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.
Practice location
Mailing address
Additional practice locations (1)
- 4502 Medical DrSan Antonio, TX 78229-4402Phone: (210) 567-0777
Registry dates
- Enumerated
- 2017-05-10
- Last updated
- 2025-10-30
- Certified
- 2025-10-30
Frequently asked questions
- What is Christopher Lam's NPI number?
- Christopher Lam's National Provider Identifier (NPI) is 1013443282, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Lam's specialty?
- Christopher Lam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Lam located?
- Christopher Lam's practice location on file with NPPES is 1390 University Ave W, Saint Paul, MN 55104-4001.
- What is Christopher Lam's phone number?
- The practice phone number listed in the NPPES registry for Christopher Lam is (651) 232-4800.
- Does Christopher Lam accept Medicare?
- Christopher Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Lam's NPI active?
- Yes — Christopher Lam's NPI (1013443282) is active in the NPPES registry as of the last update on 2025-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.