Mercer Internal Medicine, LLC
NPI 1053368928 · Internal Medicine Physician · Pennington, NJ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mercer Internal Medicine, LLC is a Internal Medicine Physician organization in Pennington, NJ (NPI 1053368928).
Provider details
- NPI number
- 1053368928
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Yamane, Managing Partner(609) 737-7010
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
Profile Score
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
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2006-05-27
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Mercer Internal Medicine, LLC's NPI number?
- Mercer Internal Medicine, LLC's National Provider Identifier (NPI) is 1053368928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercer Internal Medicine, LLC?
- Mercer Internal Medicine, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mercer Internal Medicine, LLC located?
- Mercer Internal Medicine, LLC's practice location on file with NPPES is 10 Route 31 N Ste 102, Pennington, NJ 08534-1606.
- What is Mercer Internal Medicine, LLC's phone number?
- The practice phone number listed in the NPPES registry for Mercer Internal Medicine, LLC is (609) 818-1000.
- Does Mercer Internal Medicine, LLC accept Medicare?
- Mercer Internal Medicine, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mercer Internal Medicine, LLC?
- The authorized official listed on Mercer Internal Medicine, LLC's NPPES record is Michael Yamane, Managing Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercer Internal Medicine, LLC's NPI active?
- Yes — Mercer Internal Medicine, LLC's NPI (1053368928) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.