Giang Lam, M.D.
NPI 1033198288 · Family Medicine Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Giang Lam, M.D. is a Family Medicine Physician provider in Modesto, CA (NPI 1033198288).
Provider details
- NPI number
- 1033198288
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 00026962 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
20 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
1,391 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 | 686 | $128 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 191 | $14 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 122 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $90 |
| Administration of Influenza Virus VaccineG0008 | 89 | $33 |
| Automated Urinalysis Test81003 | 44 | $2 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 215 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,291 | 385 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 856 | 132 |
| Levothyroxine Sodium | 676 | 184 |
| Metformin Hcl | 614 | 176 |
| Gabapentin | 606 | 152 |
| Omeprazole | 583 | 144 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-15
- Last updated
- 2012-08-28
Frequently asked questions
- What is Giang Lam's NPI number?
- Giang Lam's National Provider Identifier (NPI) is 1033198288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giang Lam's specialty?
- Giang Lam is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Giang Lam located?
- Giang Lam's practice location on file with NPPES is 1541 Florida Ave, Modesto, CA 95350-4423.
- What is Giang Lam's phone number?
- The practice phone number listed in the NPPES registry for Giang Lam is (209) 577-3388.
- Does Giang Lam accept Medicare?
- Giang Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Giang Lam's NPI active?
- Yes — Giang Lam's NPI (1033198288) is active in the NPPES registry as of the last update on 2012-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.