Linda Lam, MD
NPI 1508145863 · Internal Medicine Physician · Huntington Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linda Lam, MD is a Internal Medicine Physician provider in Huntington Beach, CA (NPI 1508145863).
Provider details
- NPI number
- 1508145863
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A117820 (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
14 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
153 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 | 66 | $99 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 31 | $140 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 25 | $21 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 18 | $98 |
| Administration of Influenza Virus VaccineG0008 | 13 | $35 |
Typical Medicare-allowed amounts for these services range $21–$140 (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 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 498 | 148 |
| Losartan Potassium | 466 | 139 |
| Amlodipine Besylate | 337 | 106 |
| Levothyroxine Sodium | 317 | 77 |
| Alendronate Sodium | 203 | 61 |
| Gabapentin | 187 | 54 |
| Trazodone Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 2020 Zonal AveIrd 631Los Angeles, CA 90089-0121Phone: (323) 226-7644
Registry dates
- Enumerated
- 2011-08-04
- Last updated
- 2025-12-29
- Certified
- 2025-12-29
Frequently asked questions
- What is Linda Lam's NPI number?
- Linda Lam's National Provider Identifier (NPI) is 1508145863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Lam's specialty?
- Linda Lam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Linda Lam located?
- Linda Lam's practice location on file with NPPES is 19066 Magnolia St, Huntington Beach, CA 92646-2232.
- What is Linda Lam's phone number?
- The practice phone number listed in the NPPES registry for Linda Lam is (714) 968-0068.
- Does Linda Lam accept Medicare?
- Linda Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linda Lam's NPI active?
- Yes — Linda Lam's NPI (1508145863) is active in the NPPES registry as of the last update on 2025-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.