IndividualActive
Henry Lam, M.D.
NPI 1407814155 · Internal Medicine Physician · Merced, CA
Henry Lam, M.D. is a Internal Medicine Physician provider in Merced, CA (NPI 1407814155).
Provider details
- NPI number
- 1407814155
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C041629 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(100/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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.
Practice location
3313 M St
Merced, CA 95348-2714
Phone: (209) 722-3924
Fax: (209) 384-5761
Street-level locationGet directions
Mailing address
3313 M St
Merced, CA 95348-2714
Additional practice locations (2)
- 450 E Yosemite AveSuite DMerced, CA 95340-8429Phone: (209) 722-3924Fax: (209) 384-5761
- 450 E Yosemite AveSuite DMerced, CA 95340-8429Phone: (209) 722-3924Fax: (209) 384-5761
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2018-03-17
Frequently asked questions
- What is Henry Lam's NPI number?
- Henry Lam's National Provider Identifier (NPI) is 1407814155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Lam's specialty?
- Henry Lam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Henry Lam located?
- Henry Lam's practice location on file with NPPES is 3313 M St, Merced, CA 95348-2714.
- What is Henry Lam's phone number?
- The practice phone number listed in the NPPES registry for Henry Lam is (209) 722-3924.
- Is Henry Lam's NPI active?
- Yes — Henry Lam's NPI (1407814155) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.